Lesson 1.4

Which country has the highest rate of skin cancer in the world?

• Brazil

• Australia

• Japan

• Egypt

Light must be _______________ in order for the material to be affected by light.

• reflected

• 
• absorbed

• surrounded

1. Your friends say that they saw a special nail polish that changes color when it is out in the sun. Can light from the sun cause the nail polish to change color?

• No. Light is not a physical thing, so it cannot change physical things like nail polish.

• Yes. Light from the sun can pull energy out of the nail polish, causing it to change color.

• Yes. The nail polish can take in energy from the light, causing it to change color.

• No. Light can only change things by warming them up, so it cannot cause the nail polish to change color.

What type of scientist studies light and how it interacts with materials?!

• A chemist

• A physiologist

• A spectroscopist

• A scientologist

What part of visible light does the plant reflect?

• all of it

• green

• red and blue

• yellow

the ability to make things move or change

• energy

• light

• frequency

• wave

1. If a car sits out in the sun every day for a long time, can light from the sun damage the car’s paint?

• Yes. The paint can take in energy from the light, causing it to be damaged.

• No. Light can only change things by warming them up, so it cannot damage the car’s paint.

• No. Light is not a physical thing, so it cannot change physical things like paint.

• Yes. Light from the sun can pull energy out of the paint, causing it to be damaged.

In Lesson 1.2, you observed that a solar-powered toy moved when you shined a flashlight on it.

Select ALL of the statements below that accurately explain how this happened.

• Light from the flashlight carried energy.

• There was energy in the toy that was activated by the light.

• Energy from the flashlight was absorbed by the toy.

• The flashlight absorbed energy from the toy.