Lesson 1: What is Energy?
_________ is something that can cause matter to move or change.
Energy
_______is an object that can pull things made of iron and steel.
A magnet
Name 3 types of energy.
Sound
Light
Heat
Name the two poles of a magnet
North and south
Name the effect of adding heat to something.
It will get warmer
When two north poles get close to each other what happens ?
They repel
true or false: a door will let light pass through it.
False
why is it possible to attract an object without touching it ?
Because of the magnet’s magnetic field
Explain how sound is made.
Sound is made when an object vibrates.
Explain one way people uses magnets to help our bodies.
They use magnets in MRI machines to take pictures inside the body