4th Grade Forces

Front

What is a spring scale?

Back

A spring scale is a tool used to measure the weight or force of an object by the distance a spring stretches.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward the Earth.

Front

What tools do you need to measure mass and height in an experiment?

Back

You need a triple beam balance to measure mass and a meter stick to measure height.

Front

What is force?

Back

A force is a push or a pull upon an object resulting from the object's interaction with another object.

Front

What happens when the same poles of two magnets face each other?

Back

The magnets will repel each other.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it comes in contact with another surface.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is a balanced force?

Back

Balanced forces are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

Unbalanced forces are not equal and can cause an object to start moving, stop moving, or change direction.

Front

What is a meter stick used for?

Back

A meter stick is used to measure length or distance.