Heat

Question 1

Why is heat a form of energy?

Answer 1

The evidence that he is a form of energy is that he can cause movement e.g. steam engines pulling trains

Question 2

What do we use to measure the temperature of a substance?

Answer 2

A thermometer

Question 3

Define the term conduction

Answer 3

Conduction is a movement of heat energy from one object to another that is indirect contact and is at a lower temperature e.g. a saucepan heating up on a hot hop

Question 4

What is meant by convection?

Answer 4

Convection is the movement of heat energy with a liquid or gas, e.g. water heating in the kettle

Question 5

Define the term radiation

Answer 5

The hotter on object is the more heat energy that is admitted or at released from the object e.g. the sun releasing heat energy into space