Cody conducted an experiment to investigate what floats and sinks. Various objects were tested including a tennis ball, apple, peg, chalk, and pumice rock. Observations were made about whether each object floated, sank, or was partially submerged. Cody then tested the hypothesis that an object will float if it weighs less than the water it displaces. Different objects were weighed and the displaced water was measured to determine if the hypothesis was correct. The results supported the hypothesis, showing that lighter objects floated while heavier objects sank.
The document provides instructions for creating a slide presentation about what happens when a balloon is pushed into water. It involves using shapes on slides to illustrate the water level rising and a balloon being pushed under water. It also includes text explaining the concept of displacement and an experiment measuring how much water a balloon displaces. Later slides provide instructions on formatting text boxes to display information step-by-step and adding a speech bubble with the word "Eureka" to illustrate Archimedes' discovery about displacement.
The document discusses searching the OAPEN Library, including searching by keyword for "The Sims", which returns several relevant titles. It also covers the XML and PDF versions available for one title and highlights keywords upon searching. Additionally, it describes using the advanced search, browse, and multilingual search options to translate keywords into different languages for searching.
The daily menu lists roast beef as the main dish for Monday, with apple pie and a cup of tea also available. However, no other meals are specified for the rest of the week.
OAPEN provides a platform for open access monographs and is exploring funding models for open access publishing. OAPEN's approach uses a hybrid model where the basic online edition is freely available open access while other editions can be sold. OAPEN is running pilots in the UK and Netherlands to test this model and measure the effect of open access on usage and sales. New projects are exploring open access monograph publishing in Sweden and across Europe through shared infrastructure between universities. Recommendations include using existing funds for publishing open access monographs and ensuring quality assurance through peer review.
The document summarizes the goals and operations of the OAPEN Library, an open access digital library of academic books. It discusses why starting an open access library is important given declining print book sales and rising serial costs. It also outlines how the library uses the XTF platform, partners with aggregators and libraries, and measures over 400,000 downloads annually to enhance the discoverability and usage of academic books. Future plans include expanding the number of publisher partners and ensuring long-term preservation of the collection.
The daily menu lists roast beef as the main dish for Monday, with apple pie and a cup of tea also available. However, no other meals are specified for the rest of the week.
The document provides instructions for creating a slide presentation about what happens when a balloon is pushed into water. It involves using shapes on slides to illustrate the water level rising and a balloon being pushed under water. It also includes text explaining the concept of displacement and an experiment measuring how much water a balloon displaces. Later slides provide instructions on formatting text boxes to display information step-by-step and adding a speech bubble with the word "Eureka" to illustrate Archimedes' discovery about displacement.
The document discusses searching the OAPEN Library, including searching by keyword for "The Sims", which returns several relevant titles. It also covers the XML and PDF versions available for one title and highlights keywords upon searching. Additionally, it describes using the advanced search, browse, and multilingual search options to translate keywords into different languages for searching.
The daily menu lists roast beef as the main dish for Monday, with apple pie and a cup of tea also available. However, no other meals are specified for the rest of the week.
OAPEN provides a platform for open access monographs and is exploring funding models for open access publishing. OAPEN's approach uses a hybrid model where the basic online edition is freely available open access while other editions can be sold. OAPEN is running pilots in the UK and Netherlands to test this model and measure the effect of open access on usage and sales. New projects are exploring open access monograph publishing in Sweden and across Europe through shared infrastructure between universities. Recommendations include using existing funds for publishing open access monographs and ensuring quality assurance through peer review.
The document summarizes the goals and operations of the OAPEN Library, an open access digital library of academic books. It discusses why starting an open access library is important given declining print book sales and rising serial costs. It also outlines how the library uses the XTF platform, partners with aggregators and libraries, and measures over 400,000 downloads annually to enhance the discoverability and usage of academic books. Future plans include expanding the number of publisher partners and ensuring long-term preservation of the collection.
The daily menu lists roast beef as the main dish for Monday, with apple pie and a cup of tea also available. However, no other meals are specified for the rest of the week.
This document provides information about buoyancy and floating objects. It includes examples of calculating volume, density, and whether objects will float based on these properties. The key points are:
1) An object's volume is calculated to determine density and if it will displace enough water to float.
2) Density is the ratio of an object's mass to its volume. If the object's density is less than the density of water (1 g/mL), it will float.
3) According to Archimedes' principle, an object floats if the buoyant force pushing up equals the gravitational force pulling down. The buoyant force depends on the amount of water the object displaces.
4) Examples
Floating and sinking are determined by an object's density. Objects with high density will sink, while objects with low density will float. Density refers to the amount of mass in a given volume - objects with more mass packed into the same space have higher density. Trapped air can also allow objects to float, as air has low density, so objects filled with air displace more water and experience upthrust force from the water. Changing an object's shape, such as making it hollow, reduces its density and allows it to float.
Evaporation is the process where a liquid turns into a gas, specifically water turning into water vapor. Several factors influence evaporation, including wind speed, temperature, and humidity, with higher wind speeds, temperatures, and lower humidity leading to more evaporation. As water evaporates from surfaces like rivers and lakes, it enters the atmosphere as water vapor and can form clouds. This process of evaporation causes cooling effects as the evaporating particles absorb heat from their surroundings.
The document describes an activity where students observe which materials float and which sink in water. Students gather materials like coins, stones, balloons, and nails and place them one by one in water to see if they float or sink. They then answer questions about why some objects float and others sink based on properties like weight, density, and shape. The document also provides explanations of why large boats float, life vests keep people afloat, and some review points about factors that determine if an object will float or sink in a liquid.
Objects float if they are less dense than the fluid they are in, while objects sink if they are more dense. Density depends on an object's mass and volume. Ships and submarines are able to control whether they float or sink by changing their overall density, either by changing their mass through adjusting ballast, or changing their volume. Archimedes' principle explains that the buoyant force on an object equals the weight of the fluid it displaces.
1) The document describes experiments conducted to study density by comparing the mass and volume of objects like stones and hollow balls.
2) It explains that density is the relationship between an object's mass and volume, with denser objects having more mass in the same volume.
3) Further experiments show that objects denser than water sink, while less dense objects float, and density can be used to compare and categorize different materials and liquids.
The document summarizes experiments with different objects in water to determine if they float or sink. Key findings include:
- Light objects like tennis balls float, while heavy ones like paper clips sink, due to differences in density.
- Candles and crayons sank despite appearing light, because they are denser than water.
- Balloons float because they displace water and have a lower density than water.
- Eggs normally sink but can be made to float by whisking egg whites to incorporate air bubbles, decreasing the density.
The document describes experiments with different objects in water to determine if they float or sink. Items tested included a tennis ball, paper clip, rubber, paint brush, crayon, sponge and pieces of wood. The results showed that lighter, less dense items like tennis balls and paint brushes floated, while denser items like paper clips and crayons sank. Further experiments demonstrated that even large, seemingly heavy wood pieces floated if less dense than water, and that balloons float due to displacement of water.
Grade IX science L.no.1.matter in our surroundingPriyaKulkarni53
Matter is made up of tiny particles that are constantly in motion. The particles are attracted to each other but have space between them. A substance can exist in three physical states - solid, liquid, or gas - depending on how closely the particles are packed and how much they are moving. Changing the temperature or pressure can cause a substance to change states, such as melting from a solid to a liquid or boiling from a liquid to a gas. Evaporation is when a liquid turns to a gas below the boiling point, such as water evaporating from clothes on a clothesline.
Archimedes' principle states that the buoyant force on an object submerged or partially submerged in a fluid is equal to the weight of the fluid the object displaces. This principle can be used to calculate density and relative density. It also explains why ships and submarines float or sink depending on whether the object's density is greater than, equal to, or less than the fluid it is placed in. Applications of Archimedes' principle include ship building, submarine operations, and how certain aquatic animals and balloons are able to achieve buoyancy.
Water is a polar molecule that forms hydrogen bonds between its oxygen and hydrogen atoms. These hydrogen bonds give water unique properties including its high boiling and freezing points of 100°C and 0°C respectively at sea level. Water's hydrogen bonding also allows it to have high surface tension and capillary action, which are important for biological functions. The polarity and hydrogen bonding of water molecules make it well-suited to serve as the universal solvent for life and allow it to absorb large amounts of heat, buffering Earth's temperature.
Save Water, Save Life and Save the Worldrohitsub bade
Like Leonardo said that water is the driver of nature, it proceeds life forward in the right direction and the worst part is that we never understand its importance. We are like the passenger who is sitting behind in his seat relaxing and never understand the efforts put by the driver to move the vehicle forward. But it’s time for us to understand that life can’t continue without water and we have to save it. It’s our planet, it’s our water and only we are responsible for its conservation.
Visit To The Well Gvendarbrunnur In ReykjavikFurugrund
1) A group of young children visited Gvendarbrunnur, a well that has supplied water to the capital area of Reykjavik, Iceland since 1909.
2) At the well, a guide explained how water is pumped from deep underground and piped to homes, and showed the children the pumping equipment.
3) They learned about the history of the well and how it provided residents with clean drinking water, unlike the untreated stream water used previously.
Archimedes' principle states that when an object is fully or partially submerged in a fluid, it experiences an upthrust equal to the weight of the fluid displaced. This principle explains why objects float or sink based on their density. If an object's density is greater than the fluid, it will sink, and if its density is less than the fluid, it will float. The upthrust force reduces the apparent weight of the submerged object. Applications of Archimedes' principle include determining ship drafts, submarine depths, and fluid densities using instruments like hydrometers.
Archimedes' principle states that when an object is fully or partially submerged in a fluid, it experiences an upthrust equal to the weight of the fluid displaced. This principle explains why objects float or sink based on their density. If an object's density is greater than the fluid, it will sink, and if its density is less than the fluid, it will float. The upthrust force reduces the apparent weight felt by submerged objects. Archimedes' principle applies to ships, submarines, hot air balloons, and other objects interacting with fluids. It allows calculation of fluid density based on measurements of weight changes when objects are submerged.
7th sci 3. properties of natural resourcesNavinBairi
The document discusses various properties of air and water. It describes experiments that demonstrate air has weight and pressure. It explains that air is a mixture of gases and atmospheric pressure is the same in all directions. The document also discusses the states of water, properties like density and freezing point, and how these properties allow aquatic animals to survive freezing temperatures. It describes the properties of soil like texture, structure and composition and how soil testing is used to determine fertility.
Archimedes was a pre-eminent Greek mathematician and inventor in the 3rd century BC. Archimedes' Principle states that when an object is fully or partially submerged in a fluid, it experiences an upthrust equal to the weight of the fluid displaced. This principle explains why objects float or sink based on their density compared to the fluid. It also applies to balloons floating in air. The key concept is buoyant force, which reduces the apparent weight of an object submerged in a fluid by an amount equal to the weight of the fluid displaced.
The document discusses floating and sinking, defining these terms and exploring what factors influence whether an object floats or sinks. It examines how an object's material, density, trapped air, and shape can impact whether it floats. Examples are provided of objects that float, like polystyrene balls, versus those that sink, like cotton balls. Experiments show that an object's density is important, as both large and small wooden objects and candles floated. Displacing water allows objects to float.
This document provides information about buoyancy and floating objects. It includes examples of calculating volume, density, and whether objects will float based on these properties. The key points are:
1) An object's volume is calculated to determine density and if it will displace enough water to float.
2) Density is the ratio of an object's mass to its volume. If the object's density is less than the density of water (1 g/mL), it will float.
3) According to Archimedes' principle, an object floats if the buoyant force pushing up equals the gravitational force pulling down. The buoyant force depends on the amount of water the object displaces.
4) Examples
Floating and sinking are determined by an object's density. Objects with high density will sink, while objects with low density will float. Density refers to the amount of mass in a given volume - objects with more mass packed into the same space have higher density. Trapped air can also allow objects to float, as air has low density, so objects filled with air displace more water and experience upthrust force from the water. Changing an object's shape, such as making it hollow, reduces its density and allows it to float.
Evaporation is the process where a liquid turns into a gas, specifically water turning into water vapor. Several factors influence evaporation, including wind speed, temperature, and humidity, with higher wind speeds, temperatures, and lower humidity leading to more evaporation. As water evaporates from surfaces like rivers and lakes, it enters the atmosphere as water vapor and can form clouds. This process of evaporation causes cooling effects as the evaporating particles absorb heat from their surroundings.
The document describes an activity where students observe which materials float and which sink in water. Students gather materials like coins, stones, balloons, and nails and place them one by one in water to see if they float or sink. They then answer questions about why some objects float and others sink based on properties like weight, density, and shape. The document also provides explanations of why large boats float, life vests keep people afloat, and some review points about factors that determine if an object will float or sink in a liquid.
Objects float if they are less dense than the fluid they are in, while objects sink if they are more dense. Density depends on an object's mass and volume. Ships and submarines are able to control whether they float or sink by changing their overall density, either by changing their mass through adjusting ballast, or changing their volume. Archimedes' principle explains that the buoyant force on an object equals the weight of the fluid it displaces.
1) The document describes experiments conducted to study density by comparing the mass and volume of objects like stones and hollow balls.
2) It explains that density is the relationship between an object's mass and volume, with denser objects having more mass in the same volume.
3) Further experiments show that objects denser than water sink, while less dense objects float, and density can be used to compare and categorize different materials and liquids.
The document summarizes experiments with different objects in water to determine if they float or sink. Key findings include:
- Light objects like tennis balls float, while heavy ones like paper clips sink, due to differences in density.
- Candles and crayons sank despite appearing light, because they are denser than water.
- Balloons float because they displace water and have a lower density than water.
- Eggs normally sink but can be made to float by whisking egg whites to incorporate air bubbles, decreasing the density.
The document describes experiments with different objects in water to determine if they float or sink. Items tested included a tennis ball, paper clip, rubber, paint brush, crayon, sponge and pieces of wood. The results showed that lighter, less dense items like tennis balls and paint brushes floated, while denser items like paper clips and crayons sank. Further experiments demonstrated that even large, seemingly heavy wood pieces floated if less dense than water, and that balloons float due to displacement of water.
Grade IX science L.no.1.matter in our surroundingPriyaKulkarni53
Matter is made up of tiny particles that are constantly in motion. The particles are attracted to each other but have space between them. A substance can exist in three physical states - solid, liquid, or gas - depending on how closely the particles are packed and how much they are moving. Changing the temperature or pressure can cause a substance to change states, such as melting from a solid to a liquid or boiling from a liquid to a gas. Evaporation is when a liquid turns to a gas below the boiling point, such as water evaporating from clothes on a clothesline.
Archimedes' principle states that the buoyant force on an object submerged or partially submerged in a fluid is equal to the weight of the fluid the object displaces. This principle can be used to calculate density and relative density. It also explains why ships and submarines float or sink depending on whether the object's density is greater than, equal to, or less than the fluid it is placed in. Applications of Archimedes' principle include ship building, submarine operations, and how certain aquatic animals and balloons are able to achieve buoyancy.
Water is a polar molecule that forms hydrogen bonds between its oxygen and hydrogen atoms. These hydrogen bonds give water unique properties including its high boiling and freezing points of 100°C and 0°C respectively at sea level. Water's hydrogen bonding also allows it to have high surface tension and capillary action, which are important for biological functions. The polarity and hydrogen bonding of water molecules make it well-suited to serve as the universal solvent for life and allow it to absorb large amounts of heat, buffering Earth's temperature.
Save Water, Save Life and Save the Worldrohitsub bade
Like Leonardo said that water is the driver of nature, it proceeds life forward in the right direction and the worst part is that we never understand its importance. We are like the passenger who is sitting behind in his seat relaxing and never understand the efforts put by the driver to move the vehicle forward. But it’s time for us to understand that life can’t continue without water and we have to save it. It’s our planet, it’s our water and only we are responsible for its conservation.
Visit To The Well Gvendarbrunnur In ReykjavikFurugrund
1) A group of young children visited Gvendarbrunnur, a well that has supplied water to the capital area of Reykjavik, Iceland since 1909.
2) At the well, a guide explained how water is pumped from deep underground and piped to homes, and showed the children the pumping equipment.
3) They learned about the history of the well and how it provided residents with clean drinking water, unlike the untreated stream water used previously.
Archimedes' principle states that when an object is fully or partially submerged in a fluid, it experiences an upthrust equal to the weight of the fluid displaced. This principle explains why objects float or sink based on their density. If an object's density is greater than the fluid, it will sink, and if its density is less than the fluid, it will float. The upthrust force reduces the apparent weight of the submerged object. Applications of Archimedes' principle include determining ship drafts, submarine depths, and fluid densities using instruments like hydrometers.
Archimedes' principle states that when an object is fully or partially submerged in a fluid, it experiences an upthrust equal to the weight of the fluid displaced. This principle explains why objects float or sink based on their density. If an object's density is greater than the fluid, it will sink, and if its density is less than the fluid, it will float. The upthrust force reduces the apparent weight felt by submerged objects. Archimedes' principle applies to ships, submarines, hot air balloons, and other objects interacting with fluids. It allows calculation of fluid density based on measurements of weight changes when objects are submerged.
7th sci 3. properties of natural resourcesNavinBairi
The document discusses various properties of air and water. It describes experiments that demonstrate air has weight and pressure. It explains that air is a mixture of gases and atmospheric pressure is the same in all directions. The document also discusses the states of water, properties like density and freezing point, and how these properties allow aquatic animals to survive freezing temperatures. It describes the properties of soil like texture, structure and composition and how soil testing is used to determine fertility.
Archimedes was a pre-eminent Greek mathematician and inventor in the 3rd century BC. Archimedes' Principle states that when an object is fully or partially submerged in a fluid, it experiences an upthrust equal to the weight of the fluid displaced. This principle explains why objects float or sink based on their density compared to the fluid. It also applies to balloons floating in air. The key concept is buoyant force, which reduces the apparent weight of an object submerged in a fluid by an amount equal to the weight of the fluid displaced.
The document discusses floating and sinking, defining these terms and exploring what factors influence whether an object floats or sinks. It examines how an object's material, density, trapped air, and shape can impact whether it floats. Examples are provided of objects that float, like polystyrene balls, versus those that sink, like cotton balls. Experiments show that an object's density is important, as both large and small wooden objects and candles floated. Displacing water allows objects to float.
6. An investigation - what floats and what sinks?
Object Predict What happened My thinking
Tennis ball Both Half in the water and half out because it has some air
Apple Sink 1/4 is out the water and 3/4 tiny little holes
in the water
Peg Float It sank!!! it has metal
Chalk Sink Float for 2 sec then sank it has tiny holes
Pumice Rock Sink 1/4 is out the water and 3/4 it has holes
in the water itʼs old
Tinfoil Both 1/4 in and 1/2 out itʼs light
Sponge Float We pushed it down it has holes
we took the bubbles out
Lid Float We pushed it down water can carry weight
Ping pong ball Float We pushed it down but it itʼs light
went back up
16. What happens when you push a balloon into water?
The water is
111cm high.
The
balloon is
floating
It’s full of
air
17. What happens when you push a balloon into water?
The balloon is
being pushed
down by my
The water is hand.It’s full
111cm high. of air.The
water is trying
The to push the The water is
balloon is balloon back 175 cm high.
floating up
It’s full of
air
18. What happens when you push a balloon into water?
The balloon is
being pushed
down by my
The water is hand.It’s full
111cm high. of air.The
water is trying
The to push the The water is
balloon is balloon back 175 cm high.
floating up
It’s full of
air
Scientists use the word displacement to describe
this idea.
19.
20. Archimedes was a man who lived a long time ago in Greece.
He found out about water displacement. They say it happened
when he got into his bath.
21. Archimedes was a man who lived a long time ago in Greece.
He found out about water displacement. They say it happened
when he got into his bath.
22. Archimedes was a man who lived a long time ago in Greece.
He found out about water displacement. They say it happened
when he got into his bath.
23. Archimedes was a man who lived a long time ago in Greece.
He found out about water displacement. They say it happened
when he got into his bath.
He jumped out the bath and ran out
shouting, “Eureka!” This means “I have
found it!” People said he was so happy
24. Archimedes was a man who lived a long time ago in Greece.
He found out about water displacement. They say it happened
when he got into his bath.
He jumped out the bath and ran out
shouting, “Eureka!” This means “I have
found it!” People said he was so happy
25. Archimedes was a man who lived a long time ago in Greece.
He found out about water displacement. They say it happened
when he got into his bath.
Our class read a book written by He jumped out the bath and ran out
Pamela Allen about Mr shouting, “Eureka!” This means “I have
Archimedes and his bath. found it!” People said he was so happy
28. How much space does a balloon take in the water?
Our method:
29. How much space does a balloon take in the water?
Our method:
1.We filled a container with water right to
the top.
2.We put the container in a large bowl.
3.We gently pushed the balloon into the container using a
flat board.
4.we poured the water that over flowed in a measuring
jug.
5.The amount of water that displaced was 1000mls.
30. How much space does a balloon take in the water?
Our method:
1.We filled a container with water right to
the top.
2.We put the container in a large bowl.
3.We gently pushed the balloon into the container using a
flat board.
4.we poured the water that over flowed in a measuring
jug.
5.The amount of water that displaced was 1000mls.
31.
32. Hypothesis
If an object weighs less than the water it displaces,than the object will float
so... if an object weighs less than the water it displaces,than the object will sink.
33. Hypothesis
If an object weighs less than the water it displaces,than the object will float
so... if an object weighs less than the water it displaces,than the object will sink.
We tested the hypothesis
We designed an experiment
34. Hypothesis
If an object weighs less than the water it displaces,than the object will float
so... if an object weighs less than the water it displaces,than the object will sink.
We tested the hypothesis
We designed an experiment
2.Carefully
put the object 3. Pour the
1.weigh in a full bucket displaced
the water carefully 4. Weigh the
of water. Make
object into a small water
sure the
bucket of container.
water is sitting
in a large 5. Compare
bowl. the weight
37. big
candle
1702 g
objects
1739 g
weight
of the the
object water is
heavier
weight the
of the candle is
water it lighter
displaces the
candle
floated
38. big
candle
1702 g big rock
objects
1739 g 1989 g
weight
the 1350 g
of the
object water is the rock
heavier is
weight the heavier
of the candle is
the
water it lighter
water is
displaces the
lighter
candle
the rock sank
floated
39. big
candle
tin of
1702 g big rock
objects tomatoes
1739 g 1989 g
weight 475 g
the 1350 g
of the 331 g
object water is the rock
heavier is the tin is
weight the heavier
heavier
of the candle is the
the
water it lighter water is
water is
displaces the lighter
lighter
candle the tin
the rock sank
floated sank
40. we
big recorded
candle the results
tin of
1702 g big rock
objects tomatoes
1739 g 1989 g
weight 475 g
the 1350 g
of the 331 g
object water is the rock
heavier is the tin is
weight the heavier
heavier
of the candle is the
the
water it lighter water is
water is
displaces the lighter
lighter
candle the tin
the rock sank
floated sank
41. we
big recorded
candle the results
tin of
1702 g big rock
objects eureka! tomatoes
1739 g 1989 g
weight the 475 g
the 1350 g hypothes
of the 331 g
object water is the rock is is
heavier is the tin is
weight correct
the heavier heavier
of the candle is the
the
water it lighter water is
water is
displaces the lighter
lighter
candle the tin
the rock sank
floated sank