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Particles in Matter

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Particles in Matter

Use particle behavior and short scenarios to show how particles behave in solids, liquids, and gases. Choose the best answer where asked, and explain your thinking in your own words.

A particle snapshot

Scientists use models to show particles because individual particles are too small to see with our eyes.

1.Which state has particles that are far apart and spread throughout their container?

Solid
Liquid
Gas

2.What kind of movement do particles make in a solid, even though the solid keeps its shape?

3.A drop of food coloring spreads through a glass of water. Which description best explains how liquid particles help this happen?

They are fixed in a pattern and cannot move.
They are close together but can move past one another.
They are so far apart that the water has no volume.

The warm-water balloon

Caleb stretches a balloon over the opening of an empty bottle and places the bottle in warm water. The balloon begins to puff up. The air inside the bottle is matter made of particles.

4.Complete the explanation: The warm water transfers energy to the air particles. The particles move , and the air expands to take up space.

5.Does warming make each air particle grow larger, or does it change the particles’ motion and the way the gas spreads out? Explain what the balloon shows.

Matter changes state

A cold drink sits on a warm table. An ice cube in the drink melts, and later water droplets appear on the outside of the cup.

6.When ice melts, it gains energy. What happens to its particles as the solid becomes liquid?

7.Water vapor in the air forms droplets on the cool cup. Has the water changed from a gas to a liquid or from a liquid to a gas? What happens to particle energy and motion during this change?

Explain your evidence

Read each claim carefully. Use particle behavior to support your answer.

8.A student says, “Particles in a solid do not move because the solid keeps its shape.” Is the claim correct? Use your knowledge of particle behavior to explain.

9.Imagine comparing a metal spoon left in a sunny window with one left in a cool cupboard. In terms of particle motion, how would their temperatures differ?

10.Write a short explanation for a younger student: How are particles arranged and moving in a solid, a liquid, and a gas? Include how heating can affect particle motion.

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About This Worksheet

Free in Kuraplan

Print-Ready

AI-Generated

For Teachers & Parents

Need a custom version of this worksheet?

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