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States of Matter Exploration
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States of Matter Exploration
Use the particle model and the situations below to explain how solids, liquids and gases behave. Write in your own words where asked.
Particle detective
Use the particle model to think about how matter behaves.
1.Which statement best describes matter?
- Anything that has mass and takes up space
- Anything that can be seen
- Only solids and liquids
- Anything that gives off light
2.In which state do particles usually vibrate in fixed positions, keeping a definite shape and volume?
3.A student pours water from a tall bottle into a wide bowl. The water changes shape but not its amount. Which state is water in, and what property does this show?
4.Match each state to the particle behaviour that best describes it.
- Solid
- Liquid
- Gas
- Particles vibrate in fixed positions
- Particles move freely and spread far apart
- Particles stay close but can slide past one another
Changes and clues
Matter can change state when it gains or loses thermal energy.
5.Ice left on a sunny windowsill turns into liquid water. What is this change of state called?
6.True or false: When liquid water evaporates, its particles disappear.
TrueFalse
7.On a cold morning in Aotearoa New Zealand, tiny drops form on the outside of a chilled drink bottle. Explain where the drops came from and name the change of state.
8.A sealed syringe contains air. The opening is blocked, and the plunger is pushed in. The air can be compressed. Why is this possible for a gas?
9.A puddle disappears after a breezy afternoon, even though it never boils. Explain how the water can become a gas below its boiling point.
10.Draw a particle model of a gas in a container. Show the container and use dots for particles. Make clear how the particles are arranged.
Draw your container and particles here.
3 printable pages
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