Energy Test (-open)

Front

What is gravitational potential energy?

Back

Gravitational potential energy is the energy an object possesses due to its position in a gravitational field, typically related to its height above the ground.

Front

How does height affect gravitational potential energy?

Back

The gravitational potential energy of an object increases as its height increases.

Front

What happens to potential energy when oil is burned?

Back

Some of the potential energy in oil is converted into forms of energy other than electricity, such as heat.

Front

What is kinetic energy?

Back

Kinetic energy is the energy an object has due to its motion, which depends on its mass and speed.

Front

How does speed affect kinetic energy?

Back

The kinetic energy of an object increases as its speed increases.

Front

What is thermal energy transfer by convection?

Back

Thermal energy transfer by convection occurs when warmer, less dense fluid rises and cooler, denser fluid sinks, creating a circulation pattern.

Front

What is the relationship between kinetic energy and mass?

Back

Kinetic energy is directly proportional to the mass of the object; as mass increases, kinetic energy increases if speed remains constant.

Front

What is the formula for kinetic energy?

Back

The formula for kinetic energy (KE) is KE = 1/2 mv², where m is mass and v is speed.

Front

What is the difference between potential energy and kinetic energy?

Back

Potential energy is stored energy based on position, while kinetic energy is the energy of motion.

Front

What is an example of energy conversion?

Back

When oil is burned, its chemical potential energy is converted into thermal energy and then into electrical energy.