Common Assessment #1 Grade 7 Force and Motion

Front

What is the continuous flow of electrical charges through a material?

Back

Electric current.

Front

What is the value of Earth's acceleration due to gravity (g)?

Back

9.8 m/s².

Front

What type of energy is stored in a stretched rubber band?

Back

Potential energy.

Front

What happens to like charges of magnets?

Back

They will repel each other.

Front

What change would require more force to pull a wooden block up a ramp?

Back

Glue sandpaper to the surface of the ramp.

Front

What is the force that opposes motion between two surfaces in contact?

Back

Friction.

Front

What is the formula for calculating force?

Back

Force = mass × acceleration (F = ma).

Front

What is kinetic energy?

Back

The energy of an object in motion.

Front

What is potential energy?

Back

The energy stored in an object due to its position or state.

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on an object's mass.