Light & Circuits

Multiple Choice

Which of the following best describes chemical energy?

• Energy stored in things like batteries, food, gas, or fire

• Energy in moving objects like kicking a soccer ball

• Energy from moving electric charges

• The ability to do work or cause change

Multiple Select

Which of the following are examples of energy that we can feel as heat or see as light?

• A cup of hot cocoa

• The sun

• A ringing bell

• A soccer ball

Match

What type of energy transformation happens in a toaster when it is used to toast bread?

• Electrical energy to thermal energy

• Chemical energy to mechanical energy

• Light energy to chemical energy

• Mechanical energy to sound energy

• Mechanical to Electrical

Toaster

A boy running

Photosynthesis

Bell Ringing

Hydropower

• Toaster

• A boy running

• Photosynthesis

• Bell Ringing

• Hydropower

Multiple Choice

Which material would best block the flow of electricity in a circuit?

• Rubber gloves

• Copper wire

• Metal spoon

• Water

Open Ended

Explain how energy transformation occurs when a battery lights a bulb.

Multiple Select

Select all the components needed to light a circuit.

• Energy source

• Conductor

• Switch

• Load

Multiple Choice

Which of the following is the best example that light travels in a straight line?

• A pencil appearing bent in water

• A shadow forming on the ground

• A mirror reflecting an image

• A book blocking light

Multiple Choice

Which of the following is an example of reflection?

• A straw looking bent in a glass of water

• Sunlight warming a black shirt

• Seeing yourself in a mirror

• Light passing through a window

Multiple Choice

Which of the following is an example of refraction?

• A pencil appearing bent in water

• A shadow forming on the ground

• A mirror reflecting an image

• A book blocking light

Multiple Choice

An object that does not allow light to pass through

• transparent 
• clear
• opaque
• translucent