L5.1 5.8A Energy Transformations

What energy transformation occurs in a toasater. Use the words from the list to complete the sentence. To toast a slice of bread, a toaster transforms __________ energy into __________ energy. *Place a comma between the two words. Example: answer, answer

Observe the electric circuit shown here. Where in the circuit is chemical energy transformed into electrical energy?

• the battery only
• the light bulb only
• the battery and the light bulb
• the wires of the circuits

Observe the stove shown here. What is the energy source for the stove, and what energy transformation occurs to cook food? Energy source: ________ The energy is transformed to: ________ *Select TWO correct answers that match the correct type of energy.

• sound energy
• energy of motion
• thermal energy
• electrical energy
• chemical energy

In science class, Lori describes a new item that her family has purchased. The teacher replies, “The purpose of this item is to transform chemical energy into thermal energy and light energy.” Which item was Lori describing?

• a refrigerator
• a battery-powered toy train
• a television set
• a wood-burning fireplace

Which energy transformation can you demonstrate by rubbing your hands together quickly?

• mechanical energy to thermal energy
• mechanical energy to chemical energy
• electrical energy to mechanical energy
• thermal energy to mechanical energy

Which photo shows electrical energy being transformed into mechanical energy?

• 
• 
• 
• 

Which device is primarily used to convert electrical energy into mechanical energy?

• Electric motor

• Battery

• Light bulb

• Solar panel

What type of energy transformation occurs in a solar panel?

• Chemical to electrical

• Thermal to mechanical

• Light to electrical

• Mechanical to thermal

In which of the following scenarios is electrical energy transformed into light energy?

• A fan spinning

• A toaster heating bread

• A lamp being turned on

• A car engine running

What type of energy transformation occurs when a battery powers a flashlight?

• Chemical to light

• Mechanical to electrical

• Thermal to chemical

• Light to mechanical