Energy Review - Unit 4

The transformation that takes place when you plug a lamp in.

• The transformation of electrical energy into light and heat energy.
• The transformation of mechanical energy into thermal energy.
• The transformation of light energy into sound energy.
• The transformation of chemical energy into electrical energy.

If the speed of an object decreases what happens to its kinetic energy?

• The kinetic energy decreases.
• The kinetic energy becomes zero.
• The kinetic energy remains the same.
• The kinetic energy increases.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is potential energy?

• Potential energy is the energy stored in an object due to its position or state.
• Potential energy is the energy of motion.
• Potential energy is the energy released during a chemical reaction.
• Potential energy is the energy associated with temperature.

Tags

NGSS.MS-PS3-2

What is the type of wave that moves perpendicular to the direction of the wave.

• Transverse wave
• Mechanical wave
• Surface wave
• Longitudinal wave

What is the type of energy that depends on mass and height?

• Thermal energy
• Kinetic energy
• Nuclear energy
• Gravitational potential energy

What is the transformation that takes place when you turn on a flashlight?

• Chemical energy is transformed into sound energy.
• Chemical energy is transformed to electrical energy which is transformed into light energy.

• Mechanical energy is transformed into kinetic energy.
• Light energy is transformed into thermal energy.

As the speed of a falling object increases, its potential energy will ___________.

• increase
• decrease
• remain the same
• fluctuate

What is the Law of Conservation of Energy?

• Energy cannot be created or destroyed, only transformed.
• Energy can be destroyed but not created.
• Energy is always lost in transformations.
• Energy can be created from nothing.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What type of waves is energy transferred through parallel movement of medium along the direction of the wave?

• Longitudinal waves
• Transverse waves
• Surface waves
• Electromagnetic waves

Tags

NGSS.MS-PS4-1

What is the energy that occurs when a bow is being held back in its farthest position?

• Chemical Potential energy

• Kinetic energy
• Chemical energy
• Elastic Potential energy

Tags

NGSS.MS-PS3-2