Energy Check-up

Which best describes the type of energy of objects in motion?

• kinetic energy

• potential energy

• gravitational energy

• mechanical energy

In a gasoline-powered car, chemical energy from gasoline is transformed to make the car move. The motion of the car is what form of energy?

• radiant energy

• nuclear energy

• electrical energy

• mechanical energy

Which will most likely occur if the speed of an object increases?

• Its kinetic energy increases.

• Its kinetic energy decreases.

• Its kinetic energy stays the same.

• Its kinetic energy cannot be determined.

As a roller coaster approaches the top of a steep hill, it has a brief moment of rest before descending at great speed. Which best describes the energy transformation that occurs as the roller coaster moves from its rest position?

• Potential energy transforms to kinetic energy.

• Kinetic energy transforms to potential energy.

• Mechanical energy transforms to chemical energy.

• Chemical energy transforms to mechanical energy.

What is energy?

• The ability to cause change

• A push or a pull

• The speed of an object

• Amount of force over time

Which of the following best describes the law of conservation of energy?

• Energy cannot be created but can be destroyed and can change form.

• Energy cannot be created or destroyed and cannot change form.

• energy can be crated but it cannot be destroyed and cannot change form.

• Energy cannot be created or destroyed, but energy can change form.

Tags

NGSS.MS-PS3-5

What is kinetic energy?

• Energy of motion.

• Stored energy

• Energy that comes from the stretching of objects

• A type of potential energy

Tags

NGSS.MS-PS3-4

Which of the following is not a type of potential energy?

• Gravitational Potential Energy

• Chemical Potential Energy

• Elastic Potential Energy

• Thermal Potential Energy

What two factors determine an object's gravitational potential energy (GPE)?

• Mass and Speed

• Mass and Height Above the Ground

• Speed and Height Above the Ground

• Mass and Weight

Tags

NGSS.MS-PS3-2

When a roller coaster goes down a hill, what energy conversion is occurring?

• Kinetic energy to gravitational potential energy

• Gravitational potential energy to chemical potential energy

• Chemical potential energy to kinetic energy

• Gravitational potential energy to kinetic energy

Tags

NGSS.MS-PS3-5