Energy

Which of the following energy transformations occur when a lamp that is plugged into a wall outlet is functioning correctly?

• Chemical to light

• Electrical to chemical

• Electrical to light

• Chemical to electrical

Which of the following devices transforms electrical energy into mechanical energy?

• An e-reader
• a fan
• a manual pencil sharpener
• ipod

A television works by transforming electrical energy into what other kinds of energy?

• Light, thermal, and sound
• Thermal, chemical, and solar
• Sound, mechanical, and electrical
• Light, chemical, and mechanical

What type of energy is in this picture?

• Kinetic
• Potential
• Chemical
• Sound

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

What kind of energy is represented in this picture?

• Thermal
• Potential
• Nuclear
• Mechanical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

What kind of energy does this device use?

• Chemical
• Electrical
• Thermal
• Chemical

What machine changes electrical energy into light and sound energy?

• battery
• lightbulb
• alarm clock
• apple

Tags

NGSS.4-PS3-2

The purpose of the panels is to change solar energy into ____________.

• light energy
• electrical energy
• chemical energy
• mechanical energy

Will electrical energy flow in an open circuit?

• yes
• no

What form of energy is being used when a person hits a tennis ball with a tennis racket?

• thermal energy
• sound energy
• light energy
• mechanical energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5