Types of energy practice for final exam

How can people use thermal energy in their home?

• turn on the fan

• turn on the radio

• turn on the stove

• turn on the water faucet

Amina placed a metal spoon in a glass bowl of hot soup. She then went back to get crackers. When she touched the spoon, she was surprised to find that it was hot. She knew it was not hot before so which sentence best explains how this happened?

• The radiation from the microwave bounced onto the spoon

• Spoons begin heating up when they are placed into liquids

• Thermal energy is transferred from the soup to the spoon

• Heat is created when metals and glasses combine with one another

When a student plays the guitar, how does the soiund waves travel to reach your ears?

• using echos

• through potential energy

• through thermal energy

• through sound waves

Which best describes how energy changes in a toaster?

• chemical to thermal

• electrical to light

• electrical to thermal

• electrical to chemical

Hamad made the following observations in his notebook: "The radio sitting on the table made the water in my glass move." What can he conclude?

• Some types of energy cannot transfer through water

• The sound energy of the radio transferred to the water

• The electrical energy of the radio transferred to the water

• Only light can move through water

Which example best fits the last row in the table?

• burning candle heats up

• plucked guitar string makes noise

• ball rolls down hill

• rubbing warms hands

Which of the following energies is stored?

• sound

• electrical

• nuclear

• light