Science

What can force do to an object?

• Change its color

• Make it disappear

• Change its shape or direction

• Make it glow

Which of the following is an example of a balanced force?

• A fruit falling from a tree

• A car moving at constant speed

• A ball accelerating down a hill

• A moving train slowing down

Why is friction important in our daily life?

• It stops all motion

• It causes slipping

• It helps us walk and hold things

• It makes everything heavier

Which is a contact force?

• Gravity

• Magnetism

• Kicking a ball

• Earth's orbit

Which force is acting when an apple falls from a tree?

• Friction

• Gravity

• Air resistance

• Contact force

A car is moving at a constant speed. What can you say about the forces acting on it?

• They are unbalanced

• They are balanced

• There are no forces

• Only gravity is acting

What happens if one force is stronger than the other on an object?

• The object stays still

• The object moves in the direction of the stronger force

• The object spins

• The object vibrates

When do the effects of forces add up?

• When they are opposite

• When they act in the same direction

• When there is no friction

• When gravity is removed

Which two factors affect gravity?

• Mass and distance

• Speed and direction

• Shape and size

• Temperature and light

Why do we have different seasons?

• Distance from the Sun

• Tilt of the Earth's axis

• Change in moon phases

• Earth's gravity