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Unit 1 Review

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.

What is the main difference between the colors of the visual spectrum?

a)

They all have different wavelengths.

b)

The brightness of the color is different.

c)

They all provided different amounts of heat.

d)

The all travel at different speeds.

2.

Which of the following represents a wavelength?

a)

Point A to Point B

b)

Point E to Point F

c)

Point B to Point H

d)

Point C to Point H

3.

What does point A represent in the photo provided?

a)

Crest

b)

Trough

c)

Wavelength

d)

Amplitude

4.

The following chart shows the amount of 3 different products ordered from Jan to June. Which month the product 1 grow the most?

a)

April to May

b)

Jan to Feb

c)

March to April

d)

Feb to March

5.

Which of the following has waves from the EM spectrum correctly ordered from SHORTEST to LONGEST wavelength?

a)

Infrared, Microwaves, Radio waves

b)

Radio waves, Microwaves, Infrared

c)

Radio waves, Infrared, Microwaves

d)

Infrared, Radio waves, Microwaves,

6.

Why do some apples appear red?

a)
Because they are ripe
b)

Because they absorb all colors except red, red is reflected.

c)

Because they reflect all colors except red, red is absorbed.

d)
Because they are genetically modified
7.

What is the dependent (outcome) variable in the following experiment?

A group of students are investigating if the amount of sunlight affects a plant's height. The students grow plants in several different amounts of light and then measure their height. All the plants receive the same amount of water and no fertilizer.

a)
Amount of sunlight
b)
Height of the plants
c)
Amount of water
d)

Use of fertilizer

8.

What is the independent variable in the following experiment?

A group of students are investigating if the amount of sunlight affects a plant's height. The students grow plants in several different amounts of light and then measure their height. All the plants receive the same amount of water and no fertilizer.

a)
Amount of sunlight
b)
Height of the plants
c)
Amount of water
d)

Use of fertilizer

9.

How does infrared light differ from microwave and radio light waves?

a)
Infrared light has a shorter wavelength and higher frequency than microwave and radio light waves.
b)

Infrared light has a longer wavelength and lower frequency than microwave and radio light waves.

c)

Infrared light is visible to humans while microwaves and radio waves are not.

d)

Infrared light, microwave, and radio light waves all have the same wavelength and frequency.

10.

What can we use to separate the different colors of light.

a)
Prism
b)
Mirror
c)
Lens
d)

Triangle

11.

Which type of wave has the shortest wavelength?

a)
Radio waves
b)
Microwaves
c)
Infrared waves
d)
Gamma rays
12.

Which of the following is an example of refraction?

a)

Light bounce off a steel beam.

b)

Light absorbing into a t-shirt.

c)

light moving from air to water.

d)

light from the sun making a shadow.

13.

Which of the following is the LEAST reliable source?

a)
Peer-reviewed scientific journal
b)
Government statistics
c)
Verified news source
d)

responses on a website where anyone can answer the question.

14.

When is the best time to come to a conclusion when working on an experiment?

a)
Before starting the experiment
b)
In the middle of the experiment
c)

After completing the experiment ONCE and analyzing the results.

d)

After repeating the experiment many times (multiple trials) & analyzing all the results

15.

Why do scientists replicate other experiments?

a)
To waste time and resources
b)
To prove the original experiment was wrong
c)
To claim the original experiment as their own
d)
To verify the results and ensure accuracy
16.

Why do scientists repeat their own experiments?

a)
To waste time and resources
b)
To prove the original experiment was wrong
c)
To claim the original experiment as their own
d)
To verify the results and ensure accuracy
17.

Which of the following is true about the Sun's radiant energy and how it travels to Earth?

a)

Radiation from the sun travels to earth is varying (different) frequencies

b)

Radiant energy from the Sun must travel through matter

c)

Gamma rays and ultraviolet rays have longer wavelengths than visible light.

d)

Visible light is only ONE color of light and only have one wavelength.

18.

Why does white light separate into different colors by a prism?

a)

Because the colors have different wavelengths.

b)

Because the colors travel at different speeds.

c)

Because the color strike the prism at different times.

d)

Because the colors are from different sources.

19.

Which of the following best describes refraction?

a)
The bouncing back of light when it hits a surface
b)

Light wave change speed as they pass through and object.

c)
The bending of light as it passes from one medium to another
d)
The absorption of light by a medium
20.

Why does the pencil in the glass NOT appear straight in the glass of water?

a)

transmission of light

b)

reflection of light

c)

refraction of light

d)

absorption of light

21.

Where do light waves travel the fastest?

a)
In water
b)
In air
c)
In vacuum
d)
In glass
22.

Which sound wave would travel the fastest?

a)
Sound wave in air
b)
Sound wave in water
c)
Sound wave in steel
d)
Sound wave in vacuum