Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
Chemical to light
Electrical to chemical
Electrical to light
Chemical to electrical
2. Multiple Choice
1 minute
1 pt
Which of the following shows an energy transformation from chemical energy to electrical to light energy?
A bolt of lightning lights the night sky.
A candle glows brightly in the dark.
A fire in a fireplace lights up a room.
A battery causes a flashlight to shine.
3. Multiple Choice
1 minute
1 pt
What energy transformations take place when a battery-operated radio is in use?
Electrical to chemical to light
Sound to chemical to mechanical
Chemical to electrical to sound
Light to electrical to thermal
4. Multiple Choice
1 minute
1 pt
People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?
mechanical to thermal to electrical
chemical to mechanical to thermal
mechanical to chemical to sound
chemical to sound to electrical
5. Multiple Choice
45 seconds
1 pt
Which of the following devices transforms electrical energy into mechanical energy?
An e-reader
a fan
a manual pencil sharpener
ipod
6. Multiple Choice
45 seconds
1 pt
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
7. Multiple Choice
1 minute
1 pt
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 to thermal
light to chemical
thermal to light
chemical to electrical
8. Multiple Choice
1 minute
1 pt
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
solar
light
thermal
mechanical
9. Multiple Choice
20 seconds
1 pt
Which energy conversion is taking place when you put gasoline in a car?