AnswersPARTA - EOP PGCPS BIOGEOCHEM CR FALL2026 - 798113The Electromagnetic Spectrum

Careers and the Changing Workplace Answers

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1
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Which two types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light?

r
radio waves and infrared light
v
visible light and X-rays
m
microwaves and gamma rays
g
gamma rays and X-rays
2
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Which type of electromagnetic waves are dangerous enough to be used to kill cancerous cells?

g
gamma rays
v
visible light
i
infrared light
m
microwaves
3

Which describes the changes in visible light moving from red to violet?

T
The energy increases.
T
The speed decreases.
T
The wavelength increases.
T
The frequency decreases.
4

Some snakes have special sensory organs that detect the infrared region of the electromagnetic spectrum. Compared with human vision, these snakes can sense electromagnetic waves that have

a
a lower frequency and a shorter wavelength.
a
a higher frequency and a longer wavelength.
a
a lower frequency and a longer wavelength.
a
a higher frequency and a shorter wavelength.
5

Kamala made a table to describe parts of the electromagnetic spectrum.What mistake did Kamala make?

Question illustration
A
Gamma rays should have a very high frequency, not a very low frequency.
B
Visible light should have a low frequency and a long wavelength.
C
Infrared light should have a short wavelength, not a long wavelength.
D
Microwaves should have a high frequency and a short wavelength.
6

Gino made a table to describe parts of the electromagnetic spectrum.What mistake did Gino make?

Question illustration
X
X-rays should have a low frequency and a long wavelength.
I
Infrared light should have a high frequency, not a low frequency.
R
Radio waves should have a very high frequency and a very short wavelength.
U
Ultraviolet light should have a short wavelength, not a long wavelength.
7

How can electromagnetic waves be used to fight a forest fire?

A
Gamma ray images can show hot spots as radioactive areas.
B
Ultraviolet images can show hot spots as fluorescent areas.
C
X-ray images can show hot spots as white areas.
D
Infrared images can show hot spots as red areas.
8

Which three types of electromagnetic waves have longer wavelengths than the waves that make up visible light?

r
radio waves, gamma rays, X-rays
g
gamma rays, infrared light, X-rays
m
microwaves, radio waves, infrared light
i
infrared light, ultraviolet light, microwaves
9

most likely

g
gamma rays
m
microwaves
r
radio waves
X
X-rays
10

Quentin made a table to summarize uses of electromagnetic waves.

Question illustration
m
music broadcasts
l
luggage inspections
n
night-vision goggles
d
digital photographs
11

Review the graph.

Question illustration
A
people with a doctoral degree
B
people with some college
C
people with a high school diploma
D
people with less than a high school diploma
12

A pet lizard and its shelter must be kept warm. What type of electromagnetic waves would most likely be used?

A
gamma rays
B
infrared light
C
ultraviolet light
D
microwaves
13

What is one consequence of wealth inequality?

A
Hunger and poor health have decreased in general.
B
Not everyone who wants to go to college can afford it.
C
People living in poverty have ways to escape it.
D
There is not much difference in incomes in society.
14

Review the chart showing Erika’s reasons for and against joining the military.ForAgainstWill receive college tuition assistanceWill have to put off college until after service

A
will not have to enter the workforce
B
will get training in technical skills
C
will receive a college degree
D
will not have to relocate
15

What characteristic do all parts of the electromagnetic spectrum share?

A
They have the same wavelength.
B
They have the same frequency.
C
They interact in the same way with any matter.
D
They travel at the same speed through empty space.
16

Tami is excited about receiving an apprenticeship offer in the field of car repair, but she is disappointed about the low pay.

A
She will learn a trade that will lead to a high-paying career later.
B
She will be able to obtain a broad education in many subject areas.
C
She will receive a scholarship that will increase her income.
D
She will be able to delay working while she learns a trade.
17

Which best explains how the wealth gap in the US has changed over time?

A
It has grown larger.
B
It has become smaller.
C
It has become evenly balanced among high and low-income earners.
D
It has shifted back and forth from growing larger to smaller.
18

Ayanna has worked hard to earn excellent grades in high school. She loves science and wants to apply to colleges so she can earn a bachelor’s degree. However, she is worried about the cost of higher education.

A
She can spend more time studying.
B
She can apply for apprenticeships.
C
She can apply for scholarships.
D
She can pursue a different career path.
19

Caleb grew up in a low-income family. However, he earned a scholarship for college and received a degree in computer programming.

A
Caleb will continue to experience wealth inequality.
B
Caleb will earn a higher income than his family members.
C
Caleb will earn the same income as his family members.
D
Caleb will complete the cycle of poverty.
20

Wealth inequality in the United States has impacted low-income earners by

A
leading to an increase in income.
B
improving overall living conditions.
C
decreasing options to join the military.
D
making it more difficult to escape poverty.

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