SC Aquifer in a cup 2013 w/out answers
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To illustrate how water is stored in an aquifer, how this water can become contaminated, and how this contamination ends up in a drinking water source.
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2014 Genes and Heredity
This document summarizes key concepts in genetics and heredity. It discusses Gregor Mendel's experiments with pea plants that revealed the laws of inheritance. Mendel discovered that traits are passed from parents to offspring through discrete units called genes located on chromosomes. Genes come in different forms called alleles that can be dominant or recessive. A Punnett square can be used to predict the possible combinations of alleles and the traits that may be expressed. Sexual reproduction involves two parents and produces offspring with a mix of parental traits, while asexual reproduction requires only one parent and produces identical offspring. Charles Darwin's theory of natural selection explains how organisms with traits better suited to their environment are more likely to survive and reproduce, passing on
Inherited traits
This document lists and defines common human traits such as earlobe type, handedness, hair texture, and eye color that are passed down from parents and make each individual unique, even as some traits are more common in populations than others. It then provides a table to inventory the traits of students in a class.
How to dissect a frog 2014
This document provides instructions for dissecting a frog. It details each step, including: measuring the frog; determining its sex; locating external features of the head; opening the mouth and identifying structures; removing and measuring the tongue; making cuts along the body and pinning back the skin and muscles to expose the organs; locating and identifying organs of the digestive system like the stomach, intestines, liver and gallbladder; finding the heart and its chambers; locating the lungs, kidneys and reproductive organs; and carefully removing the brain from the skull. The goal is to methodically dissect the frog and identify all its internal structures and organs.
Frog Diagrams
This document provides an anatomical diagram of the external features and internal organs of an animal. The diagram labels various external structures of the head like the eyes, nares, tympanic membrane, teeth, and tongue. Internally, it identifies the heart, lungs, stomach, pancreas, spleen, intestines, liver, bladder, and other digestive system organs.
Human Body Systems Test Review
This document provides a review of various human body systems, including the integumentary, respiratory, circulatory, muscular, skeletal, digestive, endocrine, nervous, and excretory systems. It lists the key parts and functions of each system and explains how some systems work together, such as the respiratory and circulatory systems in gas exchange and the circulatory and excretory systems in waste removal. Key terms related to anatomy and physiology are also defined.
The Digestive System 2014
The document summarizes the key stages and components of human digestion. It describes the digestive system as beginning with ingestion in the mouth, followed by digestion in the stomach aided by gastric juices. Nutrients are further broken down by enzymes from the pancreas, liver and gallbladder in the small intestine where most absorption occurs. Undigested material then passes to the large intestine where water is reabsorbed before waste is excreted.
Organic Compounds
This document provides information about organic compounds and their components. It defines organic compounds as those containing carbon bonded to itself, hydrogen, and other elements like oxygen, nitrogen, phosphorus or sulfur. Examples of organic compounds that make up living things are described, including carbohydrates, lipids, proteins, and nucleic acids. These compounds are composed of combinations of the elements carbon, hydrogen, oxygen, nitrogen, phosphorus and sometimes sulfur. The document emphasizes carbon's unique ability to form many diverse molecules by bonding to itself and other elements.
The Digestive System
The document summarizes key aspects of human digestion. It begins with an overview of nutrition and the two main parts - ingestion and digestion. It then describes the major components of the human digestive system from mouth to anus. Key functions and processes at each stage are highlighted, including mechanical and chemical breakdown of food. Absorption of nutrients primarily occurs in the small intestine. Undigested material then passes to the large intestine where water is absorbed before waste is excreted.
Exp design water notes 2014
Scientific research and discoveries have significantly improved modern life. Key scientists like Copernicus, Newton, Curie, and Pasteur made contributions that changed our understanding of physics, chemistry, and medicine. Without scientific advances, we would lack many modern technologies and medical treatments. Proper water filtration is also important, as unsafe water can spread disease. Filters work by using porous materials to remove particles from water through permeability and percolation. Understanding water's physical properties helps design effective filtration systems.
The Eye 2014
The document provides information about the sheep eye dissection lab, including:
1) An overview of the external and internal parts of the sheep eye;
2) Instructions for the dissection procedure, such as making cuts to the sclera and removing structures like the lens;
3) Identification of 12 internal eye structures like the retina, choroid layer, and tapetum lucidum within the dissected eye.
8th geology jeopardy
The document provides information about Earth's interior layers, plate tectonics, geological time, fossils, and geological maps. It does this through a series of multiple choice questions and explanations about these topics. Key points covered include the order of Earth's layers from center to surface, properties of the mantle and core, types of plate boundaries and associated landforms, principles of geological time such as superposition, types of fossils and what they reveal, and interpreting topographical maps.
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- 2. Materials: • • • • • • • • • 1 clear plastic cup – for mode beaker of water 1 piece of modeling clay red food coloring gravel sand pipette cocoa spoon
- 3. Procedure: • Pour sand into the bottom of the cup until it is 1 cm deep and covers the bottom. (see D in diagram) • Pipette water onto the sand wetting it just enough that there is no standing water on the sand.
- 4. Procedure: • Flatten the modeling clay like a pancake and cover half of the sand with it. • Press the clay against the side of the cup to seal off that side. This represents the “confining layer” that keeps water from passing through. • Pipette 5 – 8 drops on the highest point of the clay. (Question 1) Make observations on your lab sheet. These need to be 3-4 sentences!
- 5. Procedure: • Use the rocks to form the next layer of earth. • Place the rocks over the sand and clay, covering the entire container. • To one side of your cup, slope the rocks, forming a high hill and a valley (see diagram). These layers represent some of the many layers contained in the earth's crust.
- 6. Procedure: • Sprinkle ¼ teaspoon of the cocoa on the top of the hill. The cocoa represents lawn chemicals and fertilizers used by homeowners and farmers. • Now pour water into your aquifer until the water in the valley is slightly below the top of the hill, but at least covers the cocoa layer. Wait a minute, then record your observations answering Question 2. This need to be 3-4 sentences!
- 8. Procedure: • Use the food coloring and pipette a few drops on top of the rock hill as close to the inside wall of the cup as possible. The red food coloring represents chemicals, motor oil, and other trash that is put in landfills. • Wait about 1 minute, then record your observations answering Question 3. This need to be 3-4 sentences!
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