Which model is a balloon that is warm?

Neither balloon shows a temperature

Both of the balloons are the same.

What do the arrows represent?

The temperature of the air molecules

What is between the purple circles and arrows?

Bacteria and viruses in the air

What statements are true about this model? Choose all that apply. (PICK 2)

Air molecules hit the outside of the balloon harder than the molecules on the inside of the balloon causing the balloon to shrink.

The molecules inside the balloon (at a higher temperature) have more energy and collide more strongly, pushing the balloon harder.

Air molecules hit the outside of the balloon harder than the carbon dioxide molecules on the outside of the balloon causing the balloon to get bigger.

The molecules inside the balloon (at a higher temperature) have less energy and collide less forcefully, pushing the balloon harder.

What would you expect to happen to the molecules inside the balloon if the balloon sat in a warm room all day? Explain your ideas. (MS-PS1-4)

If the room stays at the same warm temperature, the molecules inside the balloon and outside the balloon would move in the same way. But, if the room started to cool off, the molecules would slow down, and the balloon would get smaller. If the room started to warm up, the molecules would move faster, and the balloon would get bigger.

If the room stays at the same warm temperature, the molecules inside the balloon and outside the balloon would move in the same way. But, if the room started to cool off, the molecules would speed up, and the balloon would get smaller. If the room started to warm up, the molecules would move slower, and the balloon would get bigger.

If the room stays at the same warm temperature, the molecules inside the balloon and outside the balloon would move in the same way. But, if the room started to cool off, the molecules would slow down, and the balloon would get bigger. If the room started to warm up, the molecules would move faster, and the balloon would get smaller.

The molecules in the balloon are protected from changes in the temperature by the latex in the balloon. The balloon can be heated, stay at room temperature, or even be cooled, and the air inside of it will be the same. That is why a balloon looks the same at the beginning of the day and a few hours later.

Why do you think the liquids evaporated faster on your hand than on the desk? (MS-PS1-4)

My hands are warmer, so energy transfer is faster.

The liquid spread out farther on my hand.

The desk is colder, so energy transfer is faster.

The desk is warmer, so energy transfer is faster with the desk.

What do we notice as we compare our models of matter for gases and liquids? (MS-PS1-4)

Particles in the gas phase are farther apart and move faster than in the liquid phase.

Particles in the gas phase are farther apart and move slower than in the liquid phase.

Particles in the gas phase are closer together and move faster than in the liquid phase.

What do we know about temperature and how molecules move in a gas? (MS-PS1-4) (PICK 2)

In the gaseous state, an increase in temperature indicates that the gas molecules are moving faster.

In the gaseous state, a decrease in temperature indicates that the gas molecules are moving slower.

In the gaseous state, an increase in temperature indicates that the gas molecules are moving slower.

In the gaseous state, a decrease in temperature indicates that the gas molecules are moving faster.

What do we know about the distance between molecules as we cool a substance in the gaseous state?

They slow down and move closer together, or condense.

They speed up and move closer together, or condense.

They slow down and move farther apart, or condense.

They speed up and move farther apart, or condense.

Using the particle model, explain why water forms on the outside of a cold can of soda pop. (Hint: Be sure to tell where the water on the outside of the can comes from.) Choose all that are a part of the process. (MS-PS1-4) (PICK 2)

The water molecules in the air near the cup lose energy.

During condensation, the gas water molecules become liquid molecules on the outside of the cup.

The water molecules in the air near the cup gain energy.

During evaporation, the gas water molecules become liquid molecules on the outside of the cup.

How do the trails behind airplanes form? Explain what happens with the molecules being released from the airplane. (MS-PS1-4)

One of the substances that jet engines make is water that is released into the air in the gaseous state. The air high up in the sky is very cold. When cold air and gaseous water meet, the water molecules slow down, get closer together and lose energy. They condense into a lot of tiny drops of liquid water which are the contrails.

One of the substances that jet engines make is carbon dioxide which is released into the air in the gaseous state. The air high up in the sky is very cold. When cold air and carbon dioxide meet, the carbon dioxide molecules slow down, get closer together and lose energy. They make tiny drops of liquid water which are the contrails.

One of the substances that jet engines make is water that is released into the air in the liquid state. The air high up in the sky is very cold. When cold air and liquid water meet, the water molecules slow down, get closer together and lose energy. They condense into a lot of tiny drops of gaseous water which are the contrails.

Use your particle model to explain your data. (How can the physical model you used in class help you explain what happened?) (MS-PS1-4)

Liquids expand when heated because the molecules move farther apart from each other at higher temperatures. They collide with each other and can occupy more space in their container. The physical model shows how the beads collide with one another and how the spaces between the molecules increase as the temperature increases.

Liquids contract when heated because the molecules move closer together to each other at higher temperatures. They collide with each other and can occupy less space in their container. The physical model shows how the beads collide with one another and how the spaces between the molecules decrease as the temperature increases.

Liquids expand when cooled because the molecules move farther apart from each other at lower temperatures. They collide with each other and can occupy more space in their container. The physical model shows how the beads collide with one another and how the spaces between the molecules increase as the temperature decreases.

Liquids expand when cooled because the molecules move closer at lower temperatures. They collide into each other and can occupy less space in their container. The physical model shows how the beads collide into one another and how the spaces between the molecules increase as the temperature decreases.

What does an increase in temperature tell you about the movement of molecules in a liquid? (MS-PS1-4)

The molecules in a liquid are moving faster.

The molecules in a liquid are moving slower.

The molecules in a liquid are moving at the same speed.

How does this compare to what you learned about gases? (MS-PS1-4)

An increase in temperature tells me the molecules in a liquid are moving faster. This is the same for a gas—the higher the temperature, the faster the gas molecules are moving. This is different for gases because they are farther apart and collide harder against the surface of their container.

A decrease in temperature tells me the molecules in a liquid are moving faster. This is the same for a gas—the lower the temperature, the faster the gas molecules are moving. This is different for gases because they are farther apart and don’t collide as hard against the surface of their container.

An increase in temperature tells me the molecules in a liquid are moving slower. This is the same for a gas—the higher the temperature, the slower the gas molecules are moving. This is different for gases because they are farther apart and don’t collide as hard against the surface of their container.

A decrease in temperature tells me the molecules in a liquid are moving slower. This is the same for a gas—the higher the temperature, the slower the gas molecules are moving. This is different for gases because they are farther apart and don’t collide as hard against the surface of their container.

Why do you think you can smell menthol when it is solid? (MS-PS1-4)

Some of the menthol molecules making up the solid increase their movement to where they are no longer in an organized arrangement. They move farther apart and are now in a gaseous state.

The menthol becomes a liquid and then evaporates into the air.

Some of the menthol molecules making up the solid decrease their movement to where they are no longer in an organized arrangement. They move closer together and are now in a gaseous state.

The menthol stays solid and you smell it.

Imagine that a friend was looking at your model of wax. Describe how your model explains what happened when it melted. (MS-PS1-4)

As the temperature of the wax molecules increased, their motion increased to a point where the molecules were no longer in an organized arrangement. The molecules moved farther apart (with continuous motion) and are now in a liquid state of matter.

Imagine that a friend was looking at your model of wax. Describe how your model explains what happened when it melted. (MS-PS1-4)

As the temperature of the wax molecules decreased, their motion increased to a point where the molecules were no longer in an organized arrangement. The molecules stayed in the same place and are now in a liquid state of matter.

As the temperature of the wax molecules decreased, their motion decreased to a point where the molecules were no longer in an organized arrangement. The molecules stayed in the same place and are now in a liquid state of matter.

Explain why scientists would think an increase in temperature would cause glaciers to get smaller. Remember that glaciers are huge pieces of ice. Use ideas you learned in this lesson, including melting, freezing, and water molecules. (MS-PS1-4)

The warm air makes the water molecules from the glaciers move faster, and that makes the glaciers melt. If the temperature rises, more ice will melt and less water will freeze.

The warm air makes the water molecules from the glaciers move slower, and that makes the glaciers melt. If the temperature rises, more ice will melt and more water will freeze.

The warm air makes the water molecules from the glaciers move faster, and that makes the glaciers melt. If the temperature decreases, more ice will melt and more water will freeze.

The warm air makes the water molecules from the glaciers move slower, and that makes the glaciers freeze. If the temperature rises, more ice will melt and more water will freeze.

IQWST: How Can I Smell Things From A Distance: Learning Set 3

Authored by Stephanie Walterreit

Chemistry

6th Grade

NGSS covered

Used 6+ times

IQWST: How Can I Smell Things From A Distance: Learning Set 3

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MULTIPLE SELECT QUESTION

5 mins • 1 pt

How did the ammonia molecules get to the paper? Choose all that apply. (TWO) (MS-PS1-4) (PICK 2)

Some of the ammonia molecules traveled up the side of the container.

The ammonia molecules condensed and went into the air.

The ammonia molecules evaporated and went into the air.

Some of the ammonia molecules move or travel through air.

Tags

NGSS.MS-PS1-4

MULTIPLE SELECT QUESTION

5 mins • 1 pt

How is using your model to predict similar to using your model to explain? How is it different? (MS-PS1-4) (PICK 2)

Both tell about phenomena. Both are backed by evidence.

Both tell about phenomena. Evidence is used only when you use your model to explain.

When you use a model to predict, you are trying to figure out what is going to happen based on what you already know.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How is using your model to predict similar to using your model to explain? How is it different? (MS-PS1-4)

When you use a model to predict, you are trying to figure out what happened.

When you use a model to explain, it is based on what happened, or based on evidence.

When you use a model to explain, you are trying to figure out what is going to happen based on what you already know.

Tags

NGSS.MS-PS1-4

MULTIPLE SELECT QUESTION

5 mins • 1 pt

What does the temperature of a substance tell about the speed of the particles? Choose all that apply. (MS-PS1-4) (PICK 2)

When you heat a substance, the particles in that substance move slower.

When you heat a substance, the particles in that substance move faster.

When you cool down a substance, the particles in that substance move faster.

When you cool down a substance, the particles in that substance move slower.

Tags

NGSS.MS-PS1-4

MULTIPLE SELECT QUESTION

5 mins • 1 pt

How does cooling/heating affect the speed of molecules? Choose all that apply. (MS-PS1-4) (PICK 2)

When you cool a substance, the speed decreases.

When you cool a substance, the speed increases.

When you heat a substance, the speed decreases.

When you heat a substance, the speed increases.

Tags

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How does cooling/heating affect the number of collisions? (MS-PS1-4)

When you cool a substance, the number of collisions increases. When you heat a substance, the number of collisions decreases.

When you cool a substance, the number of collisions decreases. When you heat a substance, the number of collisions increases.

Different temperatures do not affect the number of collisions.

When heat is added, some of the empty space between the molecules is used up so that the molecules are forced to be closer to together so there are more collisions due to the crowding of molecules.

Tags

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How does the temperature affect how hard the molecules hit the surface of the balloon? (MS-PS1-4)

If the balloon is cooled, then the molecules would not hit the surface of the balloon as hard. If the balloon is heated, then the molecules would hit the surface of the balloon harder.

If the balloon is heated, then the molecules would not hit the surface of the balloon as hard. If the balloon is cooled, then the molecules would hit the surface of the balloon harder.

Different temperatures do not affect how hard the molecules hit the surface of the balloon.

When the temperature of the balloon is increased, the balloon gets softer so that the collisions do not appear to impact the balloon as much as when the balloon is cooled.

Tags

NGSS.MS-PS1-4

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IQWST: How Can I Smell Things From A Distance: Learning Set 3

How did the ammonia molecules get to the paper? Choose all that apply. (TWO) (MS-PS1-4) (PICK 2)

How is using your model to predict similar to using your model to explain? How is it different? (MS-PS1-4) (PICK 2)

How is using your model to predict similar to using your model to explain? How is it different? (MS-PS1-4)

What does the temperature of a substance tell about the speed of the particles? Choose all that apply. (MS-PS1-4) (PICK 2)

How does cooling/heating affect the speed of molecules? Choose all that apply. (MS-PS1-4) (PICK 2)

How does cooling/heating affect the number of collisions? (MS-PS1-4)

How does the temperature affect how hard the molecules hit the surface of the balloon? (MS-PS1-4)

Which model is a balloon that is warm?

What do the purple circles represent?

What do the arrows represent?

Access all questions and much more by creating a free account

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