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How can we say taht heat is a form of energy
Heat can cause movement
Steam engines pulling trains
Curtains moving when they are over a hot radiator
Moving ,,,, curtains
What is meant by expanding and contracting ?
Heat can cause things to expand and cooling causes things to contract eg slabs of pavement
Expand ......
What do we mean by latent heat ?
When u slowly heat a beaker of ice u will notice that the temperature does not rise at first . The temperature remains at 0 degrees Celsius for several mins until the last piece of ice has melted .
When u heat a beaker if boiling water you will notice that the temperature does not rise , it remains at 100 degrees Celsius
What happens to the heat energy ? Heat can’t just disappear the heat changes the state of the ice and if the boiling waiter . When heat changes a state instead of the a temperature we call it latent heat !
It’s the rlly long one
If u still don’t know it’s been u heat a beaker if ice .....
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