Grade 8 S1 Final Review

Front

What happens to magnets when they are released?

Back

Magnets move away from each other.

Front

Can energy be created?

Back

No, energy cannot be created.

Front

Can energy be destroyed?

Back

No, energy cannot be destroyed.

Front

How does a system of magnets store potential energy?

Back

By using the energy to move a magnet against (opposite direction as) a magnetic force.

Front

In a collision, which paddle affects the puck more if one paddle has more mass?

Back

The puck experiences a stronger force when hit by the paddle with more mass.

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or arrangement.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object due to its motion.

Front

What is the relationship between mass and force in collisions?

Back

In collisions, a greater mass typically results in a greater force exerted on the other object.

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Front

What is a magnetic field?

Back

A magnetic field is the area around a magnet where magnetic forces can be observed.