Energy transformation

If a Lion ate a gazelle what kind of energy is being transferred?

• Mechanical

• Chemical

• Electrical

• Thermal

Tags

NGSS.MS-LS1-7

What is the best example of a machine that converts electrical energy into kinetic energy and sound energy?

• an electric toothbrush
• a toaster
• a flashlight
• an iron

What best describes the energy conversion that occurs when you turn on a hair dryer?

• electric to kinetic to thermal and sound
• chemical to thermal to light and sound
• nuclear to electrical to thermal and sound
• kinetic to light to thermal and sound

Tags

NGSS.MS-PS3-5

What best describes the energy conversion that takes place in a microwave oven?

• electrical to light to thermal
• chemical to thermal to light
• electrical to thermal to sound
• nuclear to thermal to chemical

Tags

NGSS.MS-PS1-4

Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?

• radiant
• light
• heat
• chemical

Tags

NGSS.MS-PS3-5

What kind of energy transformation takes place in this system?

• chemical to electrical to light
• electrical to chemical to light
• electrical to light to chemical
• light to chemical to electrical

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-3

Which is an example of radiant energy to thermal energy transformation?

• a greenhouse
• an electric stovetop
• an electric stove
• a car's brakes

Tags

NGSS.MS-PS3-4

What two forms of energy are given off by a burning candle?

• heat and light
• mechanical and electrical
• nuclear and light
• potential and heat

Which of the following radiant energy to electrical energy?

• solar calculator
• windmill
• glow stick
• firecracker

Tags

NGSS.HS-PS3-3

Which of the following mechanical energy to electrical energy?

• solar calculator
• windmill
• glow stick
• firecracker

Tags

NGSS.MS-PS3-5