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science matter
| Question | Answer |
|---|---|
| What is transparent? | Light passes through you can see objects on the other side clearly. |
| What is translucent? | Some light passes through objects unclear. |
| What is opaque? | No light passes through [ bounces or is absorbed] objects on the other side cannot be seen. |
| What is boiling point? | Temperatures at wich liquid changes to a gas. |
| What is the melting point? | Temperatures at wich solid changes to liquid |
| What is freezing point? | Temperatures at wich a liquid changes to a solid. |
| What is evaporation? | The process where a liquid changes to a gas. |
| What is condensation? | The process where a gas changes back to a liquid. |
| What happens when you heat up an object? | The particles expand. |
| What Happens when you cool an object? | The particles contract or bunch together. |
| What are neutrons? | They have no charge. |
| What are protons? | They have positive charge. |
| What are electrons? | The have a a negative charge. |
| What is the nucleus? | Very tiny center of the atom. |
| What are inside of the nucleus? | protons [positive charge] and neutrons [no charge] |