em spectrum

Multiple Choice

Wavelength and Frequency are related in that...

• they are always the same

• when one increases, the other decreases (inversely proportional)

• there is no correlation

• they both vary in an irregular pattern

Reorder

Reorder the following in order from shortest wavelength to longest wavelength.

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

What are some applications of electromagnetic (EM) waves in our everyday lives?

• Communication

• Transportation

• Cooking

• Entertainment

Open Ended

What property of radio waves makes them beneficial to use for communication?

Open Ended

How does the sound quality of a radio station relate to the radio signal or frequency?

Open Ended

Can you name other wireless devices?

Open Ended

A limited range of radio waves is considered a disadvantage. Can you think of a time when that could be an advantage?

Open Ended

What do you notice about the forms of communication over time? How have they changed?

Open Ended

Why do you think we shouldn’t stand too close to a microwave?

Open Ended

How can we detect infrared radiation with our bodies?

Open Ended

How could we use IR waves in security or safety?

Open Ended

Why do fiber optic cables provide faster internet speeds than Wi-Fi?

Open Ended

While camping, Zoe uses night vision goggles to observe nocturnal animals. Which part of the electromagnetic spectrum do these goggles harness, and how do they allow Zoe to see in the dark?

Multiple Choice

What are some examples of how we use visible light in our daily lives?

• Seeing colors

• Photography

• Light bulbs

• All of the above

Open Ended

What can we do to protect our skin and eyes from UV radiation?

Open Ended

Which form of UV light are you exposed to the most?

Open Ended

How do X-rays assist doctors in diagnosing internal issues?

Multiple Choice

Why are gamma rays dangerous despite their usefulness in certain applications?

• Their low energy makes the waves easily controlled

• The have a high amount of energy and can kill cells

• They have a high amount of energy and are rarely used

• The low amount of energy given off is unreliable