Name
Date
DIRECTIONS: Matter has mass and takes up space. Is each thing matter? Write yes or no, and how you know.
Is it matter?
| # | Thing | Matter? | How do you know? |
|---|
| 1. | a brick | | |
| 2. | the air in a football | | |
| 3. | a shadow | | |
| 4. | steam from a kettle | | |
| 5. | a sound | | |
| 6. | smoke | | |
| 7. | light from a torch | | |
| 8. | the water in a cloud | | |
DIRECTIONS: A property can be tested and does not depend on how much you have. Size is not a property.
| # | Property | How you would test it | Something that has it |
|---|
| 9. | heavy for its size | | |
| 10. | attracted to a magnet | | |
| 11. | conducts electricity | | |
| 12. | dissolves in water | | |
| 13. | floats in water | | |
| 14. | see-through | | |
- Two identical-looking silver blocks are the same size. One weighs far more than the other. Are they the same substance? Explain.
- You are handed an unlabelled white powder. Name three tests you could safely do to work out what it is — and say what each result would tell you.
DIRECTIONS: Weigh the biggest balloon you have, flat. Blow it up, tie it, and weigh it again.
| What I weighed | Mass |
|---|
| balloon, flat | |
| balloon, blown up | |
| difference | |
- Did the blown-up balloon weigh more? What does that prove about air?
- A sealed bottle of fizzy water is weighed. You shake it hard so it fizzes, and weigh it again still sealed. What will the scale say? Why?
- Now the lid is opened, the fizzing stops, and it is weighed a third time. Predict what happens, and explain where anything that left has gone.