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Matter Detective Worksheet
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Matter Detective Worksheet
Read the evidence, solve each matter mystery and explain your thinking. Matter is anything that has mass and takes up space.
Case file: The chilly esky
Layla packs an esky for a summer picnic. She adds solid ice cubes and a sealed bottle of liquid water. Later, some ice has melted. The water has not vanished: it has changed state.
1.In the esky case file, name one thing that is matter and give one reason it counts as matter.
2.Layla's ice cube keeps its own shape unless it melts. Which state of matter is it?
- Solid
- Liquid
- Gas
3.After the ice melts, the water takes the shape of its container. Explain what this tells you about a liquid.
4.The ice melts into liquid water. What is this change of state called?
5.When water evaporates and becomes water vapour, it stops being matter. Write true or false and correct the statement if needed.
TrueFalse
6.In a solid, particles are packed close together and mainly vibrate in place. In a liquid, particles are close together but can move past one another. Which state can flow?
- Solid only
- Liquid only
- Both solid and liquid
- Neither
7.Finish the sequence: solid ice gains heat and becomes liquid water. If the liquid gains enough heat, it can become water .
8.A clear sample has no fixed shape and spreads out to fill all the space in its closed container. Is it most likely a solid, liquid or gas? Give one clue from the evidence.
9.Layla leaves a small puddle of water in a warm, sunny spot. Predict what will happen over time and name the change of state.
Draw particles for a solid, liquid and gas. Show how their spacing and movement differ. Add labels or arrows to explain your models.
2 printable pages
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