Quiz about Science Unit 7 - Light

Question 1

When an object is clear enough for light to pass through it, it is considered to be...

Accepted Answer

Transparent

Answer

Translucent

Answer

Opaque

Answer

Prism

Question 2

When an object allows some light to pass through it, it is considered to be...

Accepted Answer

Translucent

Answer

Transparent

Answer

Opaque

Answer

Prism

Question 3

When an object does not allow light to pass through it, it is considered to be...

Accepted Answer

Opaque

Answer

Transparent

Answer

Translucent

Answer

Prism

Question 4

An object that refracts light as it passes through it is called a...

Accepted Answer

Prism

Answer

Transparent

Answer

Translucent

Answer

Opaque

Question 5

Form of energy that moves in waves.

Accepted Answer

Light

Answer

Reflection

Answer

Refraction

Answer

Darkness

Question 6

When light bounces off an object at an angle equal to the angle at which it hits the object, it is called...

Accepted Answer

Reflection

Answer

Refraction

Answer

Darkness

Answer

Light

Question 7

When light bends or changes directions when it moves into a new medium it is called...

Accepted Answer

Refraction

Answer

Reflection

Answer

Darkness

Answer

Light

Question 8

Tabitha wants to study how light moves. She aims a beam of white light at a prism. Which picture most likely shows how the light will act ones it reaches the prism?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 9

When light enters a prism, it

Accepted Answer

refracts and bends

Answer

increases in speed

Answer

reflects off the surface

Answer

continues in a straight line

Question 10

To learn more about light, Joey shines a light through a prism. What does he notice happens to the light when it enters the prism?

Accepted Answer

The ray of light bends as it strikes the glass.

Answer

The ray of light straightens as it strikes the glass.

Answer

The ray of light transforms to heat when it strikes the glass.

Answer

The ray of light becomes shorter when it strikes the glass.

Question 11

Hayden was conducting an investigation to see how light interacts with various objects. He recorded his results in one of the tables below. Which table shows what he most likely found in his investigation?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 12

Mary is carrying out an investigation to determine the best material to use for shadow puppet in order to create the best shadow. A shadow puppet works by shining a light on the puppet and casting a shadow. Which conclusion did Mary most likely make from her investigation?

Accepted Answer

cardboard because it is opaque

Answer

tissue paper because it is transparent

Answer

wax paper because it is translucent

Answer

clear plastic because it is opaque

Question 13

Ali wants to investigate what happens when a ray of light travels through the lens of a pair of glasses that someone is wearing. Based on her investigation, what could she conclude happens to the light ray when it travels through the lens?

Accepted Answer

It causes light to change direction toward the location needed for a person to see.

Answer

It causes light to move only away from a person's eye, making it easier for them to see an object.

Answer

It absorbs light and stops damaging light rays from getting through to a person's eye.

Answer

It makes light travel in a straight path through the lens making it brighter.

Question 14

Erika is investigating the path light will travel when a light source is shined on a mirror. Which diagram shows the results of her investigation?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 15

Willow is performing an investigation using a flashlight on a transparent object. Which picture most likely shows the results of her investigation?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 16

A student has two objects (object W and object X) that she wants to identify as translucent, transparent, or opaque. She deiced to conduct an investigation by shining a flashlight through each object and observing the results. The picture show the two objects with light shining through them. Which sentence correctly identifies the objects?

Accepted Answer

Object W is translucent and object X is transparent.

Answer

Object W is opaque and object X is translucent.

Answer

Object W is transparent and object X is opaque.

Answer

Object W is transparent and object X is translucent.

Question 17

Maya builds a device that uses a flashlight and a reflective surface to point the beam of light in different directions. The picture shows her device. Which of the materials below should Maya use as a reflective surface to BEST reflect the flashlight's beam?

Accepted Answer

mirror

Answer

cardboard

Answer

plastic wrap

Answer

tissue paper

Question 18

A beam of light was shone on six different materials. The percentage of the light that went through each material is listed in the table. Which of the following tables correctly classifies the materials?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 19

Glass is made from sand, which is itself made up of tiny rocks and minerals. While it has many uses, glass is often used for windows. Which of the following best explains why windows are made of glass rather than a natural resource, such as wood?

Accepted Answer

Glass is transparent, while wood is not.

Answer

Glass is hard and strong, while wood is not.

Answer

Glass can be bent, while wood cannot.

Answer

Glass absorbs water, while wood cannot.

Question 20

Light travels in waves. Which of the following statements about light waves is NOT true?

Accepted Answer

They can travel through any type of material.

Answer

They can come from sources across space.

Answer

They travel in straight lines from their sources.

Answer

They can be reflected by some types of materials.

Question 21

To better understand how light travels, Javon is studying his reflection in the mirror as shown in the picture. Which statement describes why Javon can see himself in the mirror?

Accepted Answer

Light that is traveling in a straight line hits the mirror and goes back toward Javon.

Answer

Light bends straight up along the mirror and goes away from Javon.

Answer

Light is being absorbed by the mirror that then makes a picture of Javon.

Answer

Light travels through the other side of the mirror to make a picture of Javon.

Question 22

Which of the following is true about the direction light travels after hitting a mirror?

Accepted Answer

It reflects out at the opposite angle from which it hit the mirror.

Answer

It travels straight north after hitting the mirror.

Answer

It travels straight through the mirror to the other side.

Answer

It reflects out at random angles that cannot be predicted.

Question 23

A student is investigating how sunlight interacts with two different materials, plastic wrap and wax paper. The picture shows the materials taped to the window on a sunny day. Which sentence correctly classifies the two materials based on how much sunlight passes through them?

Accepted Answer

The plastic wrap is transparent, and the wax paper is translucent.

Answer

The plastic wrap is transparent, and the wax paper is opaque.

Answer

The plastic wrap is translucent, and the wax paper is transparent.

Answer

The plastic wrap is opaque, and the wax paper is translucent.

Question 24

The picture shows a pencil in a glass of water. Which property of light does this picture best represent?

Accepted Answer

Light travels in a straight line until it reaches a different medium.

Answer

Light always travels in curved lines.

Answer

Light only travels through air and cannot travel through anything else.

Answer

Light always travels in straight lines.

Science Unit 7 - Light

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science