2nd 9Weeks Science Review

Front

In electrical circuits, electrical energy is often converted into which type of energy?

Back

All of the above (Mechanical Energy, Thermal Energy, Chemical Energy)

Front

What season is the Northern Hemisphere experiencing at Position A?

Back

Spring

Front

What happens to two magnets of opposite poles?

Back

They attract each other.

Front

What season is the Northern Hemisphere experiencing at Position B?

Back

Winter

Front

According to the law of universal gravitation, the force of gravity acts between all objects in the universe that have:

Back

Mass

Front

What is the definition of electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons.

Front

What is the definition of thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is the definition of mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object.

Front

What is the definition of gravity?

Back

Gravity is a force that attracts two bodies towards each other.

Front

What is the difference between mass and weight?

Back

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