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Matter
| Question | Answer |
|---|---|
| 1. What happens when drops of water appear on the outside of a glass of iced kool aid? | water vapor from the air condensed into a liquid |
| 2. When water changes from solid to liquid to a gas, what happens? | the weight stays the same |
| 3. If you breathe outside on a cold day, you can see a cloud. Describe the change that occurs? | gas changes to a liquid |
| 4. What is an example of matter changing form? | heating a pan of water until the water is all gone |
| 5. On a hot, sunny day, lake water splashed onto a rock. A little later, the rock was dry. What happened? | heat caused the water to become a gas |
| 6. What two physical properties could best describe a basketball? | color, texture |
| 7. If an object is magnetic then it is an example of a ______________? | physical property |
| 8. When ice melts what type of change happens to the ice? | physical change |
| 9. If you break a glass jar then what type of change happens to the jar? | physical property |
| 10. If you light a birthday candle with a match then what type of change happens to the match? | chemical change |
| 11. Salt, sugar, and powdered drink mix all have the same physical property of __________________. | solubility |
| 12. ___________________is a chemical property of matter. | flammability |
| 13. When trees are cut down for firewood then what type of change has happened? | physical |
| 14. Why is salad classified as a mixture? | the components can be easily separated |
| 15. If you mix iron filings and sand in a jar then what has been created? | mixture |
| 16.What can a screen be used to separate? | sand and rocks |
| 17. How can you separate a mixture of iron filings and sand? | use a magnet |
| 18. What is a balance used for? | to measure weight to the nearest gram. |
| 19. If a crayon has a mass of 2 grams and you smash it up into tiny pieces. Then what happens to the weight of the crayon? | stays the same |
| 20. When you use a balance to weigh an ice cube and then that same ice cube melts. Why would the weight stay the same? | weight stays the same even if water changes state |
| 21. What tool can you use to compare and measure the weight of two objects? | balance |