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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] |