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Science
Science(Heat)
Question | Answer |
---|---|
What is heat? | A form of energy |
What happens to materials when they are heated? | They expand |
What is item is used to measure heat? | A thermometer |
Why does ice float on water? | It floats because it is less dense |
If you heat water about 4 degrees Celsius what will happen? | It will expand |
It you cool water below 4 degrees Celsius what will happen? | It will expand |
What have learned about water? | Above 4 degrees it behaves like other liquids below 4 degrees it behaves oppositely to other liquids |
What is latent heat? | It causes a change in state and not a change in temperature |
What is heat energy measured in? | (J) Joules |
What happens when you increase pressure in heat? | You increase the boiling point |
What is conduction? | The passing of heat through a substance |
What is convection? | When heat travels through liquids and gases |
Why does heat rise? | Because warm air is lighter than cold air |