Energy forms and Transformations

What type of energy transformation occurs when using an electric pencil sharpener?

• electrical to mechanical

• sound to electrical

• mechanical to electrical

• potential to sound

Tags

NGSS.MS-PS3-5

A lamp begins with electrical energy when plugged in and turns into _________ energy when the light comes on.

• mechanical

• kinetic

• radiant

• sound

What type of energy transformation occurs when a hawk eats a mouse and then uses that energy to fly?

• chemical to mechanical

• mechanical to chemical

• thermal to mechanical

• mechanical to thermal

Tags

NGSS.MS-LS1-7

What type of energy transformation happens in hydro-electric power?

• kinetic to potential

• sound to mechanical

• chemical to electrical

• mechanical to electrical

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Two friends decide to go to the park and watch a movie on a computer. The computer runs on battery power. What energy transformation is occurring from the battery to the light being given off by the computer?

• chemical - light - sound

• mechanical - chemical - electrical

• mechanical - electrical - light

• chemical - electrical - light

What type of energy is electrons flowing through a wire?

• Electrical energy

• Chemical energy

• Kinetic energy

• Mechanical energy

Tags

NGSS.MS-PS2-3

What type of energy is stored in batteries or food?

• Potential energy

• Thermal energy

• Chemical energy

• Mechanical energy

Tags

NGSS.MS-LS1-7

A girl threw a ball. As the ball moves through the air, what type of energy does it have?

• heat energy

• chemical energy

• electrical energy

• mechanical energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which energy transformation best describes what happens in an oven?

• Electrical ->Thermal
• Electrical -> Radiant
• Electrical -> Mechanical
• Electrical -> Chemical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and velocity
• Mass and velocity
• Height and friction 

Tags

NGSS.MS-PS2-4