1. Which of the following statement is TRUE?

• a. Light does not travel.

• b. Light travels in a curve line.

• c. Light travels in a straight line.

• d. Light reflects in opaque materials.

Tags

NGSS.MS-PS4-2

2. Light is a form of ___________ that is needed to support life on Earth.

• a. compression

• b. energy

• c. motion

• d. vibration

Tags

NGSS.MS-LS2-3

3. What evidence/s show/s that light travels in a straight line.

• a. Shadows are formed.

• b. Light passes through the holes which are aligned together.

• c. Rays of light are made of straight lines moving outwardly in all directions.

• d. All of these

4. What happens when you focus a pen light through a hole of a thick cloth?

• a. Light becomes brighter.

• b. Light changes direction.

• c. Light passes through the hole.

• d. Light is blocked or obstructed.

Tags

NGSS.MS-PS4-2

5. Which of these describes how light travels through an empty space?

• a. It travels in a straight line without stopping.

• b. It comes to a stop after it travels a certain distance.

• c. It changes direction often even if there are no objects.

• d. It travels straight but may change direction to avoid objects.

6. What kind of path does light take?

• a. It bounces off in all objects.

• b. It goes through in all objects.

• c. It curves around in all objects.

• d. It travels in a straight line until it hits something or goes through it.

Tags

NGSS.MS-PS4-2

7. Which word best describes how light moves?

• a. in circles

• b. slowly

• c. straight line

• d. faster through opaque objects

8. What do we call a material that light can travel through?

• a. air

• b. medium

• c. pathway

• d. water

Tags

NGSS.MS-PS4-2

9. We see shadow because light travels in a ___________ line.

• a. curved

• b. rainbow

• c. straight

• d. zigzag

10. Which of the following is true?

• a. Sound travels faster than light.

• b. Light travels faster than sound.

• c. Light travels at the same speed with sound.

• d. Light and sound do not travel in any medium.