What are Forces?

A force is

• A jump

• A twist

• A pull

• A push

• always with you.

What is GRAVITY on Earth?

• An ocean near Australia

• Gravity pulls objects towards the centre of the Earth.

• Gravity pulls objects away from the centre of the Earth.

• Something really serious

There are ______ effects that forces can have on an object.

Choose the answers that ARE an effect of forces??

• Change the shape of an object

• Cause something to start moving

• Cause something to change colour

• Cause something to stop moving

• Cause something to smell

An empty soft drink can is crushed.

The effect of the force is to:

• Start the object moving

• Speed up the object

• Change the shape of the object

• Stop the object moving

A force acts when a car brakes while approaching a set of traffic lights.

The effects of the force are to:

Hint: There may be more than one correct answer

• change the shape of the car

• stop the car moving

• speed up the car

• slow down the car

This is called a……

• Green balance

• Spring balance

• Sprung balance

• Springy thing

Forces are measured in……

• Kilograms

• Metres

• Newtons

• Isaacs

The unit called Newtons is named after

• Mrs Rosman (as she is really old!)

• An type of apple tree

• Isaac Newton

• Albert Einstein

To check the accuracy of a measuring tool against known measurements is to

• Measure

• Spring

• Force field

• Calibrate