How to write a 7th grade Lab Report
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TmanA Lab Report varies from grade to grade. Here is a description of what my school expects from a 7th grade student.
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Parts of the plants
The document discusses the basic parts of a plant, including roots that take in water and minerals to support the plant, a stem that moves water through the plant and supports it above ground, leaves that take in air and light to produce food for the plant through photosynthesis, and flowers that produce seeds for new plants. The objectives are to identify the basic plant parts and explain the functions of roots, leaves, stems, and flowers.
How do plants grow and change chap 2
1. Most plants grow from seeds, which are protected by a seed coat.
2. If a seed gets water and warmth, the plant inside will start to grow, with roots growing down into the soil and a stem and leaves growing up.
3. As the plant matures, it will produce flowers that make fruits containing new seeds, allowing the cycle to continue as those seeds may grow into new plants.
Microorganisms
This document discusses microorganisms and decay. It notes that microorganisms like bacteria, fungi, algae and protozoa are found in soil, air, water, on skin, and inside our bodies. They help break down organic matter through decay. The document asks questions about how microorganisms cause decay and how temperature affects decay rates. It also discusses how microorganisms can be either harmless or harmful if they produce toxins, damage cells, or cause infectious diseases. Finally, it asks how the spread of diseases caused by microorganisms can be prevented.
Parts of plants
The document discusses the parts of a plant and how plants grow from seeds. It notes that roots take in water and nutrients from the soil, stems hold up the plant and move water and nutrients, and leaves use sunlight, air, water and nutrients to make food. Flowers make fruits containing seeds. Seeds are scattered by planting, animals, water and wind and can germinate into seedlings when they have sunlight, air, water and nutrients.
The Life cycle of frog
Frogs go through distinct stages of development from egg to adult. They begin as frog spawn, laying eggs in water. These hatch into tadpoles with tails and live in water. Over 5 weeks, tadpoles grow hind legs and lungs as their tails shrink. They become froglets and then young frogs, shedding their tails and developing fully on land as adult frogs that live mostly on land and eat insects.
Asexual reproduction
Asexual reproduction involves one parent and results in offspring that are genetically identical. There are six main types of asexual reproduction: sporulation, fragmentation, regeneration, binary fission, budding, and vegetative propagation. Sporulation uses spores to produce new organisms, fragmentation occurs when an organism breaks into parts that form new individuals, and regeneration allows organisms to regrow injured or lost parts. Binary fission is cell division that results in two identical daughter cells, while budding involves an outgrowth from the parent that later detaches to form a new individual. Vegetative propagation uses plant parts like bulbs, rhizomes, runners, tubers, or cuttings to generate new plants.
Materials. 1st grade
The document discusses different materials such as paper, wood, metal, glass, plastic and fabric. It describes some of the properties of these materials, including whether they are waterproof or not, whether they float or sink, whether they are transparent or opaque. It also provides examples of common objects made from these different materials and explains how some materials can be recycled by putting them in separate bins.
Characteristics of Living Things
This document discusses the seven key characteristics of living things: movement, metabolism, respiration, sensitivity/responsiveness, growth, reproduction, and excretion. It defines each characteristic and provides examples. The document aims to help the reader understand and identify the characteristics of living organisms.
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Parts of the plants
The document discusses the basic parts of a plant, including roots that take in water and minerals to support the plant, a stem that moves water through the plant and supports it above ground, leaves that take in air and light to produce food for the plant through photosynthesis, and flowers that produce seeds for new plants. The objectives are to identify the basic plant parts and explain the functions of roots, leaves, stems, and flowers.
How do plants grow and change chap 2
1. Most plants grow from seeds, which are protected by a seed coat.
2. If a seed gets water and warmth, the plant inside will start to grow, with roots growing down into the soil and a stem and leaves growing up.
3. As the plant matures, it will produce flowers that make fruits containing new seeds, allowing the cycle to continue as those seeds may grow into new plants.
Microorganisms
This document discusses microorganisms and decay. It notes that microorganisms like bacteria, fungi, algae and protozoa are found in soil, air, water, on skin, and inside our bodies. They help break down organic matter through decay. The document asks questions about how microorganisms cause decay and how temperature affects decay rates. It also discusses how microorganisms can be either harmless or harmful if they produce toxins, damage cells, or cause infectious diseases. Finally, it asks how the spread of diseases caused by microorganisms can be prevented.
Parts of plants
The document discusses the parts of a plant and how plants grow from seeds. It notes that roots take in water and nutrients from the soil, stems hold up the plant and move water and nutrients, and leaves use sunlight, air, water and nutrients to make food. Flowers make fruits containing seeds. Seeds are scattered by planting, animals, water and wind and can germinate into seedlings when they have sunlight, air, water and nutrients.
The Life cycle of frog
Frogs go through distinct stages of development from egg to adult. They begin as frog spawn, laying eggs in water. These hatch into tadpoles with tails and live in water. Over 5 weeks, tadpoles grow hind legs and lungs as their tails shrink. They become froglets and then young frogs, shedding their tails and developing fully on land as adult frogs that live mostly on land and eat insects.
Asexual reproduction
Asexual reproduction involves one parent and results in offspring that are genetically identical. There are six main types of asexual reproduction: sporulation, fragmentation, regeneration, binary fission, budding, and vegetative propagation. Sporulation uses spores to produce new organisms, fragmentation occurs when an organism breaks into parts that form new individuals, and regeneration allows organisms to regrow injured or lost parts. Binary fission is cell division that results in two identical daughter cells, while budding involves an outgrowth from the parent that later detaches to form a new individual. Vegetative propagation uses plant parts like bulbs, rhizomes, runners, tubers, or cuttings to generate new plants.
Materials. 1st grade
The document discusses different materials such as paper, wood, metal, glass, plastic and fabric. It describes some of the properties of these materials, including whether they are waterproof or not, whether they float or sink, whether they are transparent or opaque. It also provides examples of common objects made from these different materials and explains how some materials can be recycled by putting them in separate bins.
Characteristics of Living Things
This document discusses the seven key characteristics of living things: movement, metabolism, respiration, sensitivity/responsiveness, growth, reproduction, and excretion. It defines each characteristic and provides examples. The document aims to help the reader understand and identify the characteristics of living organisms.
Asexual reproduction in plants
Asexual reproduction is a process in which new organism is produced from a single parent without the involvement of gametes or cells. Many unicellular and multi cellular organisms reproduce asexually.
The Parts Of Plants
There are 5 main parts to a plant: roots, stems, leaves, flowers, and seeds. Roots take in water and food from the soil and keep the plant in place. Stems stand the plant up and act as an elevator to transport water and food. Leaves breathe in air and take in sunlight. Flowers attract pollinators to make seeds. Seeds contain a small plant and are how plants reproduce.
Chemical Changes
A chemical change is a change where one or more new types of matter form as the original materials react and combine in new ways. Some signs that a chemical change has occurred include a change in color, gases being given off, or a change in temperature without external heating or cooling. Common examples of chemical changes provided are burning, rusting, wood ash being left after burning, and fruits or metals oxidizing and changing color when exposed to air.
Physical & chemical change
This document discusses the difference between physical and chemical changes in matter. A physical change alters the form or properties of a substance without changing its chemical composition, such as cutting, crushing, dissolving, or changes in state. A chemical change results in one or more new substances being formed through chemical reactions, evidenced by signs like color change, bubbling, gas production or temperature change. Examples of physical changes given are melting ice, sawing wood, and evaporating a puddle. Chemical change examples include burning fuels, baking a cake, and dissolving sugar in tea.
Kinds Of Soil
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Frog cycle
The life cycle of a frog has four main stages: egg, tadpole, adult frog. Frogs first lay many eggs coated in jelly, which hatch into tadpoles. Tadpoles live in the water, breathing with gills and having a tail but no legs. They grow lungs and legs allowing them to transition to the final adult frog stage living on land.
Chemical & physical properties ppt
This document defines and provides examples of chemical and physical properties of matter. Chemical properties describe characteristics only observed when a substance changes into another, such as combustibility. Physical properties can be observed without a substance changing, including state, color, odor, and conductivity. The document uses examples like magnesium combustion and metal reactivity to illustrate chemical properties, and discusses physical properties such as luster, brittleness, and solubility. Videos are also included to visually demonstrate different properties.
Physical and chemical change
This document discusses the difference between physical and chemical changes. Physical changes involve alterations to a substance's physical properties like size, shape, or phase without changing its chemical composition. Examples given are melting ice, tearing paper, and blowing a balloon. Physical changes are reversible. Chemical changes result in new substances forming with different chemical compositions and properties. Examples of chemical changes include rusting iron, burning paper, and ripening fruits. Chemical changes are irreversible.
Metals and Non-metals
Metals and non-metals have distinct physical and chemical properties. Physically, metals tend to be solid, shiny, malleable, and good conductors of heat and electricity, while non-metals are usually brittle solids, liquids, or gases that are poor conductors. Chemically, metals react with non-metals like sulfur to form compounds called metal sulfides, and they react with oxygen to form metal oxides, which may dissolve in water to form bases. Non-metals also react with oxygen to form oxides, which dissolve in water to form acids like sulfurous acid. Common metals and non-metals have a variety of industrial and domestic uses based on their properties.
The parts of a plant and their functions
Plants have five basic parts - leaves, stems, roots, flowers, and fruit - that each serve important functions. Leaves produce oxygen through photosynthesis and release water through transpiration. Stems transport water and nutrients throughout the plant via vessels. Roots take in water and minerals from the soil using root hairs. Flowers function to sexually reproduce the plant species to ensure its continuation. Fruits contain seeds and can either have one seed like mangoes or multiple seeds like guavas.
Green plants- the food producers
Learn the green plants- the food producers
See the leaf structure (parts of the leaf ) and function (food production, storage, breathing organ)
Food factory of plants
Process of photosynthesis
Calculating Density
This document discusses density and provides examples of calculating density using the GUESS method. It defines density as the mass of an object divided by its volume (D = m/V). Examples are given for the densities of liquids, solids, and gases. The document also shows how to calculate density when given the mass and volume or when given the density and one of mass or volume. Calculations are worked through step-by-step using the GUESS method of identifying givens, unknowns, equations, substitutions, and solutions.
The properties of matter
This document discusses volume, mass, density, and physical and chemical properties of matter. It provides definitions and examples of:
- Volume is measured by looking at the bottom of the meniscus of liquids.
- Mass is the amount of matter in an object and is constant anywhere, while weight depends on gravity.
- Density describes how compact a substance is and can be used to identify substances and determine if objects float or sink.
- Physical properties like state and solubility can change without changing the identity of the matter. Chemical properties involve chemical reactions that form new substances.
Plants
The document discusses the parts of plants and trees. It describes that plants have roots, stems, leaves, flowers, and seeds. Trees have additional parts like trunks, branches, and bark. The roots anchor the plant and absorb water and nutrients from the soil. The stem transports water and food throughout the plant and holds up leaves and flowers. Leaves collect sunlight through photosynthesis and release oxygen. Flowers attract insects to aid in pollination and reproduction through seeds or fruits.
Soil for 3rd or 4th graders. (Teach)
1) Soil is formed from two main components - tiny pieces of weathered rock and humus, which is composed of decomposed dead plants and animals.
2) Rocks are weathered into smaller pieces through natural forces like water, wind, freezing and thawing. Over long periods of time, these break rocks down from boulders into soil.
3) Humus is formed as bacteria, fungi and invertebrates decompose dead organic matter through a process of rotting and decay. This decomposition of plants and animals is what creates the dark, nutrient-rich organic component of soil.
Plant reproduction
Flowering plants have evolved various reproductive structures and processes to facilitate reproduction. Flowers produce male pollen and female ovules that are necessary for fertilization. Key flower parts include sepals, petals, stamens, and carpels. Pollination involves the transfer of pollen grains between flower stamens to carpels. This leads to fertilization within the ovule and formation of seeds. Seeds contain embryos and food reserves to allow for dispersal and germination into new plants under suitable conditions of water, oxygen, and temperature. Seed dispersal mechanisms include wind, animals, water, and mechanical forces. Germination begins with water uptake and radicle emergence from the seed.
Natural resources (teach)
Natural resources are things that come from nature that are used by humans. They include plants, animals, air, water, soil, rocks and minerals, fossil fuels like coal, crude oil and natural gas, the sun, and wind. Plants provide food, oxygen, clothing materials like cotton, paper and lumber. Animals provide food and materials like leather. Soil is necessary for growing plants and is used to make glass, concrete, bricks and tiles. Rocks and minerals are used for construction, metals that are essential for infrastructure and manufacturing are derived from minerals found in rocks. Fossil fuels are primarily used for energy but also to make plastics and other materials. The sun and wind are renewable energy resources.
Class 6 chapter 4 Sorting materials into groups ppt 3
The document discusses the properties of different materials and an activity to observe these properties. It defines soluble and insoluble materials as those that do or do not mix with water. An activity is described where different substances are mixed with water to see if they are soluble or insoluble. Materials can also float or sink in water, with sugar, salt, and sand sinking and wax, oil, and wood floating. Transparency is also discussed, with transparent, translucent, and opaque materials defined based on how much can be seen through them.
Presentation03 - Plant and Animal Tissues
There are four main types of plant tissues: meristematic, dermal, ground, and vascular tissues. Meristematic tissue contains cells that can divide to facilitate growth. Dermal tissue forms the outer covering of the plant. Ground tissue provides support, carries out photosynthesis, and stores food and water. Vascular tissue transports water, minerals, and food throughout the plant.
SOLID, LIQUID AND GAS
This document discusses the properties of materials in different states - solids, liquids, and gases. It defines materials as being made up of tiny particles and properties as describing characteristics like hardness or texture. Solids maintain their shape, liquids flow and take the shape of their container, and gas particles have room to move and spread everywhere. As an example, it describes how water can be a solid (ice), liquid (water), or gas (steam) depending on temperature.
Hrd 647 components of a lab report (final)
This document outlines the typical components of a lab report, which include a title, aim, hypothesis, apparatus, method, results, and conclusion. The title provides an overview of the experiment. The aim states the experiment's purpose. The hypothesis predicts the experiment's outcome. The apparatus lists the materials used. The method describes the procedure. The results report what was observed. The conclusion determines if the hypothesis was supported and discusses sources of error.
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The document summarizes the results of lab tests showing that nano silver is effective against bacteria and fungi. In antifungal tests according to ASTM G-21, a material containing nano silver (DAUFON AG+) formed a protective barrier preventing fungal growth, while three other materials did not. Similarly in antibacterial tests per JIS 1902, DAUFON AG+ formed a halo around the material, showing it killed bacteria and was a powerful antibacterial, while the other materials did not prevent bacterial growth. The conclusion is that nano silver technology can keep carpets clean and free of bacteria when combined in practical use.
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Asexual reproduction in plants
Asexual reproduction is a process in which new organism is produced from a single parent without the involvement of gametes or cells. Many unicellular and multi cellular organisms reproduce asexually.
The Parts Of Plants
There are 5 main parts to a plant: roots, stems, leaves, flowers, and seeds. Roots take in water and food from the soil and keep the plant in place. Stems stand the plant up and act as an elevator to transport water and food. Leaves breathe in air and take in sunlight. Flowers attract pollinators to make seeds. Seeds contain a small plant and are how plants reproduce.
Chemical Changes
A chemical change is a change where one or more new types of matter form as the original materials react and combine in new ways. Some signs that a chemical change has occurred include a change in color, gases being given off, or a change in temperature without external heating or cooling. Common examples of chemical changes provided are burning, rusting, wood ash being left after burning, and fruits or metals oxidizing and changing color when exposed to air.
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This document discusses the difference between physical and chemical changes in matter. A physical change alters the form or properties of a substance without changing its chemical composition, such as cutting, crushing, dissolving, or changes in state. A chemical change results in one or more new substances being formed through chemical reactions, evidenced by signs like color change, bubbling, gas production or temperature change. Examples of physical changes given are melting ice, sawing wood, and evaporating a puddle. Chemical change examples include burning fuels, baking a cake, and dissolving sugar in tea.
Kinds Of Soil
The document describes the different types of soil layers and their properties. It discusses topsoil as the uppermost dark and fertile layer. Below is the subsoil, a lighter brown and less fertile layer. The bottom layer is bedrock or parent rock, which is grayish brown.
Frog cycle
The life cycle of a frog has four main stages: egg, tadpole, adult frog. Frogs first lay many eggs coated in jelly, which hatch into tadpoles. Tadpoles live in the water, breathing with gills and having a tail but no legs. They grow lungs and legs allowing them to transition to the final adult frog stage living on land.
Chemical & physical properties ppt
This document defines and provides examples of chemical and physical properties of matter. Chemical properties describe characteristics only observed when a substance changes into another, such as combustibility. Physical properties can be observed without a substance changing, including state, color, odor, and conductivity. The document uses examples like magnesium combustion and metal reactivity to illustrate chemical properties, and discusses physical properties such as luster, brittleness, and solubility. Videos are also included to visually demonstrate different properties.
Physical and chemical change
This document discusses the difference between physical and chemical changes. Physical changes involve alterations to a substance's physical properties like size, shape, or phase without changing its chemical composition. Examples given are melting ice, tearing paper, and blowing a balloon. Physical changes are reversible. Chemical changes result in new substances forming with different chemical compositions and properties. Examples of chemical changes include rusting iron, burning paper, and ripening fruits. Chemical changes are irreversible.
Metals and Non-metals
Metals and non-metals have distinct physical and chemical properties. Physically, metals tend to be solid, shiny, malleable, and good conductors of heat and electricity, while non-metals are usually brittle solids, liquids, or gases that are poor conductors. Chemically, metals react with non-metals like sulfur to form compounds called metal sulfides, and they react with oxygen to form metal oxides, which may dissolve in water to form bases. Non-metals also react with oxygen to form oxides, which dissolve in water to form acids like sulfurous acid. Common metals and non-metals have a variety of industrial and domestic uses based on their properties.
The parts of a plant and their functions
Plants have five basic parts - leaves, stems, roots, flowers, and fruit - that each serve important functions. Leaves produce oxygen through photosynthesis and release water through transpiration. Stems transport water and nutrients throughout the plant via vessels. Roots take in water and minerals from the soil using root hairs. Flowers function to sexually reproduce the plant species to ensure its continuation. Fruits contain seeds and can either have one seed like mangoes or multiple seeds like guavas.
Green plants- the food producers
Learn the green plants- the food producers
See the leaf structure (parts of the leaf ) and function (food production, storage, breathing organ)
Food factory of plants
Process of photosynthesis
Calculating Density
This document discusses density and provides examples of calculating density using the GUESS method. It defines density as the mass of an object divided by its volume (D = m/V). Examples are given for the densities of liquids, solids, and gases. The document also shows how to calculate density when given the mass and volume or when given the density and one of mass or volume. Calculations are worked through step-by-step using the GUESS method of identifying givens, unknowns, equations, substitutions, and solutions.
The properties of matter
This document discusses volume, mass, density, and physical and chemical properties of matter. It provides definitions and examples of:
- Volume is measured by looking at the bottom of the meniscus of liquids.
- Mass is the amount of matter in an object and is constant anywhere, while weight depends on gravity.
- Density describes how compact a substance is and can be used to identify substances and determine if objects float or sink.
- Physical properties like state and solubility can change without changing the identity of the matter. Chemical properties involve chemical reactions that form new substances.
Plants
The document discusses the parts of plants and trees. It describes that plants have roots, stems, leaves, flowers, and seeds. Trees have additional parts like trunks, branches, and bark. The roots anchor the plant and absorb water and nutrients from the soil. The stem transports water and food throughout the plant and holds up leaves and flowers. Leaves collect sunlight through photosynthesis and release oxygen. Flowers attract insects to aid in pollination and reproduction through seeds or fruits.
Soil for 3rd or 4th graders. (Teach)
1) Soil is formed from two main components - tiny pieces of weathered rock and humus, which is composed of decomposed dead plants and animals.
2) Rocks are weathered into smaller pieces through natural forces like water, wind, freezing and thawing. Over long periods of time, these break rocks down from boulders into soil.
3) Humus is formed as bacteria, fungi and invertebrates decompose dead organic matter through a process of rotting and decay. This decomposition of plants and animals is what creates the dark, nutrient-rich organic component of soil.
Plant reproduction
Flowering plants have evolved various reproductive structures and processes to facilitate reproduction. Flowers produce male pollen and female ovules that are necessary for fertilization. Key flower parts include sepals, petals, stamens, and carpels. Pollination involves the transfer of pollen grains between flower stamens to carpels. This leads to fertilization within the ovule and formation of seeds. Seeds contain embryos and food reserves to allow for dispersal and germination into new plants under suitable conditions of water, oxygen, and temperature. Seed dispersal mechanisms include wind, animals, water, and mechanical forces. Germination begins with water uptake and radicle emergence from the seed.
Natural resources (teach)
Natural resources are things that come from nature that are used by humans. They include plants, animals, air, water, soil, rocks and minerals, fossil fuels like coal, crude oil and natural gas, the sun, and wind. Plants provide food, oxygen, clothing materials like cotton, paper and lumber. Animals provide food and materials like leather. Soil is necessary for growing plants and is used to make glass, concrete, bricks and tiles. Rocks and minerals are used for construction, metals that are essential for infrastructure and manufacturing are derived from minerals found in rocks. Fossil fuels are primarily used for energy but also to make plastics and other materials. The sun and wind are renewable energy resources.
Class 6 chapter 4 Sorting materials into groups ppt 3
The document discusses the properties of different materials and an activity to observe these properties. It defines soluble and insoluble materials as those that do or do not mix with water. An activity is described where different substances are mixed with water to see if they are soluble or insoluble. Materials can also float or sink in water, with sugar, salt, and sand sinking and wax, oil, and wood floating. Transparency is also discussed, with transparent, translucent, and opaque materials defined based on how much can be seen through them.
Presentation03 - Plant and Animal Tissues
There are four main types of plant tissues: meristematic, dermal, ground, and vascular tissues. Meristematic tissue contains cells that can divide to facilitate growth. Dermal tissue forms the outer covering of the plant. Ground tissue provides support, carries out photosynthesis, and stores food and water. Vascular tissue transports water, minerals, and food throughout the plant.
SOLID, LIQUID AND GAS
This document discusses the properties of materials in different states - solids, liquids, and gases. It defines materials as being made up of tiny particles and properties as describing characteristics like hardness or texture. Solids maintain their shape, liquids flow and take the shape of their container, and gas particles have room to move and spread everywhere. As an example, it describes how water can be a solid (ice), liquid (water), or gas (steam) depending on temperature.
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Class 6 chapter 4 Sorting materials into groups ppt 3
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The scientific method is a process used to solve problems in a systematic way. It involves 6 steps: 1) defining a problem, 2) gathering information, 3) forming a hypothesis, 4) conducting an experiment, 5) making observations, and 6) drawing a conclusion. This method can be used to answer both big questions like curing cancer as well as everyday questions like what to have for lunch. Following the steps in order is important to learn about the question being investigated.
Scientificmethod
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The document summarizes the key steps of the scientific method. It begins by explaining that scientists over centuries found they faced the same problem of sorting truth from non-truth, and devised the scientific method as a framework to systematically work through problems. The scientific method involves 5 steps: 1) identifying a problem, 2) researching the problem, 3) formulating a hypothesis, 4) conducting an experiment, and 5) reaching a conclusion. An example is then provided of someone using the scientific method to solve the problem of a pen torch not working by hypothesizing the batteries were worn out, replacing them, and concluding the new batteries fixed the problem.
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- 1. Lab Reports Yea! lab reports are fun!!!!!
- 2. What’s the Problem ? Try to pick the better PROBLEM 1- How does mold grow? 2- What factors are necessary for molds to grow? The first question is too general, too many answers
- 3. What’s the Problem ? 1- Can we control the growth of bacteria? 2- How well do disinfectants control the growth of bacteria? Try to pick the better PROBLEM A yes/no answer is not a good problem. “How well…” gives us a range to look at.
- 4. What’s the Problem ? Try to pick the better PROBLEM 1- What affects the growth of yeast? 2- How does the presence of sugar or salt affect the growth of yeast? Keep the lab simple. Too many variables will make the lab go on and on and become never ending.
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- 7. There’s nothing to worry about It is a routine Procedure A DETAILED list of how to do something A Recipe Directions how to get somewhere Instructions
- 9. DATA & Observation What do / did we see? If you think you should, create a drawing or diagram of what you observed. Always include writing with every drawing SUGARLESS REGULAR 10 8 6 4 2 0 Time chewed in minutes
- 10. In Conclusion , I vote for a 4 day school week. Answer the “Problem” Any Questions you might get from me. What other questions can you come up with for possible future labs? Was your HYPOTHESIS correct?