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G5 - Matter
The Nature and Behavior of Matter
| Question | Answer |
|---|---|
| What is matter made of, even if we cannot see it? | Tiny particles |
| How can we tell matter exists if we cannot see the particles? | By observing its effects (e.g., air inflating a balloon) |
| How do gas particles behave? | They move freely and spread out to fill space |
| What happens to the amount of matter during a change? | It is conserved (stays the same) |
| What does it mean that matter is conserved? | It cannot be created or destroyed, only changed |
| How can materials be identified? | By measuring properties (e.g., color, hardness, solubility) |
| What might happen when two substances are mixed? | They may form a new substance with different properties |
| How can you tell if a new substance has formed? | By observing new properties (color change, gas, temperature) |