Forms of Energy Quiz

A student picks up a flashlight, flips the switch, and the bulb lights up. What are the main forms of energy demonstrated in this process?

• Light, mechanical, sound

• Electrical, thermal, sound

• Mechanical, electrical, light

• Thermal only

When a dolphin searches for prey, it makes sounds as it swims, and it uses the sounds’ echoes to find its prey. When the dolphin swims and listens to echoes to locate prey, it is using —

• mechanical energy and sound energy

• light energy and mechanical energy

• sound energy and thermal energy

• thermal energy and electrical energy

Which object shows mechanical energy being used?

• Campfire burning

• Thermometer

• Hammer hitting a nail

• Television

The picture below shows a candle melting. Which form of energy causes the candle to melt?

• Light energy

• Electrical energy

• Mechanical energy

• Thermal energy

A student observes a bolt of lightning. What other object uses the same forms of energy as the bolt of lightning?

• Guitar

• Spinning top

• Television

• Solar oven

What type of energy do we get from the food we eat?

• light

• thermal

• chemical

• sound