Forces Year 4

When we talk about motion in Science, what does it mean?

• A kind of movement

• Moving your hands

• Stoping something

• Flying

What do forces do?

• Change an objects movememt

• Squash everything

• Change the weather

• Create all our electricity

Who was the scientist that discovered the laws of motion?

• Sir Issac Newton

• Mr Dale Johnston

• Dr Experiement

• Albert Einstein

How many laws of motion are there?

• One

• Two

• Three

• Four

Select all of the laws of motion

• An object at rest will remain at rest unless there is a force

• Every action has an equal an opposite reaction

• Heavy things need more force , they will move more slowly

• Forces can only be created by adults

• Forces are not real if you don't believe in them

Which of these things can forces do to an object?

• move it

• stop it

• change its direction

• eat it

• turn it into an animal

Friction is a contact force. What does that mean?

• Materials must be touching

• It goes into eyes so you can see it

• It always hurts

• You can find it in the phonebook

Often when materials rub together and create friction what is the result?

• Heat

• Ice

• Magic

• Cleaning

Spinning force causes a frizbee to..

• stay horizontal

• get heavier

• grow larger

Which of these is an example of a gyroscope?

• bike wheel

• a skateboard

• Mr Potter

• A ball bearing