Energy Transfer and Transformations

What does the Law of Conservation of Energy state?

• energy is always created, but not destroyed

• energy cannot be created or destroyed

• energy cannot be created, but can be destroyed

• energy is always being created and destroyed

Tags

NGSS.MS-PS3-5

Which action below is converting electrical to thermal energy?

• An electric vacuum cleaner

• An electric toothbrush

• An electric toaster

Energy of motion is

• potential energy

• kinetic energy

• elastic energy

• chemical energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

______________________ occurs when energy changes from one form to another.

• Energy transformation

• Energy transfer

• Energy balance

• Energy equilibrium

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

_______________________ is stored energy to position or arrangement of particles in an object.

• Kinetic energy

• Potential energy

• Thermal energy

• Electrical energy

Tags

NGSS.MS-PS3-2

How does heat transfer when noodles are cooked on the stove?

• Heat moves from the water to the noodles to the stove

• Heat moves from the stove to the air to the noodles

• Heat moves from the stove to the pot to the water to the noodles

• Heat moves from the pot to the air to the stove to the noodles

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The energy transformation that takes place when a flashlight is turned on is...

• Chemical - electrical - light
• Chemical - light - electrical
• Electrical - thermal - light
• Nuclear - light - electrical

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

• chemical → thermal
• light → chemical
• thermal → light
• chemical → electrical

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Which energy transformation below matches?
Burning coal or carbon-based fuel at a powerplant?

• chemical to heat to electrical
• mechanical to chemical to sound
• electrical to chemical to heat

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-3

What type of energy is made by vibrations and does not travel through empty space?

• sound energy

• light energy

• electrical energy

• chemical energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2