Unit 14 Lesson 4

Question 1

How does light 💡 travel?

Answer 1

Light 💡 travels outward in all directions from its source.

Question 2

What determines the amount of light 💡 absorbed?

Answer 2

The type of material,

Question 3

Opaque Materials

Answer 3

Materials that don’t let light 💡 pass through them. Instead they absorb the light 💡.

Question 4

Transparent Materials

Answer 4

Materials that absorb very little light and let more light 💡 pass through them.

Question 5

Translucent Materials

Answer 5

Materials that both absorb light and let some light pass through, such as ice, wax paper, and frosted glass.

Question 6

Reflection

Answer 6

The bouncing of light off an object

Question 7

What happens when light 💡 strikes a smooth shiny surface?

Answer 7

All of the light is reflected in a single, new direction.

Question 8

Refraction

Answer 8

The bending of light as it passes from one type of matter into another

Question 9

Prism

Answer 9

transparent material that separates white highlights from its component colors by refraction

Question 10

Diffraction

Question 11

Lenses

Answer 11

Curved transparent objects that refract light

Question 12

Where can lenses mostly be found?

Answer 12

In things such as glasses, telescopes, binoculars, microscopes, and magnifying glasses.

Question 13

Convex Lenses

Question 14

Concave lens