Electromagnetic Waves

Open Ended

Why do you think humans can only see a small part of the electromagnetic spectrum?

Fill in the Blank

Electromagnetic waves do not need a ___ to travel.

Open Ended

What are electromagnetic waves?

Multiple Choice

Which of the following is a way electromagnetic waves impact our daily lives?

• They help us see colors

• They allow us to communicate wirelessly

• They can affect our health

• All of the above

Multiple Choice

Which terms describe the number of waves passing a point in one second and the distance between two wave peaks?

• Frequency and wavelength

• Amplitude and frequency

• Wavelength and amplitude

• Speed and amplitude

Open Ended

Explain why humans can only see a small part of the electromagnetic spectrum.

Multiple Choice

Arrange the following parts of the electromagnetic spectrum in order from longest to shortest wavelength: Radio waves, X-rays, Visible light, Gamma rays.

• Radio waves, Visible light, X-rays, Gamma rays

• Gamma rays, X-rays, Visible light, Radio waves

• Radio waves, X-rays, Visible light, Gamma rays

• Visible light, Radio waves, X-rays, Gamma rays

Multiple Choice

Which of the following is NOT a type of electromagnetic wave?

• Radio waves

• Microwaves

• Sound waves

• X-rays

Multiple Choice

Which electromagnetic (EM) waves are helpful to living things?

• Visible light and ultraviolet (UV) waves

• Gamma rays and X-rays

• Infrared and microwaves

• Radio waves and microwaves

Open Ended

Explain how high-energy and low-energy EM waves affect living tissue differently.

Fill in the Blank

Absorption is when energy is taken in by a material, transmission is when energy passes through a material, and ___ is when energy bounces off a surface.

Multiple Choice

Which of the following statements about sunburn is correct?

• UV rays from the Sun are absorbed by skin, causing energy to transform into heat and damage cells.

• Sunburn is caused by infrared rays warming the skin.

• Sunburn only happens when visible light is absorbed by skin.

• Sunburn is caused by microwaves from the Sun.

Fill in the Blank

Digital information is stored as 0s and 1s, also known as ___.

Multiple Choice

Which of the following is an advantage of storing digital information?

• It is easy to copy, share, and store

• It cannot be hacked

• It never gets lost

• It does not require any physical device

Multiple Select

Which of the following are disadvantages of cloud storage?

• Lack of control

• Internet-dependence

• Disaster recovery

• Privacy concerns

Open Ended

Explain how digital storage and transmission can have social, economic, and environmental impacts.

Fill in the Blank

Digital systems must address risks such as data privacy, security, and system ___.

Open Ended

How do EM waves play a role in the transmission and storage of digital information?

Labelling

Label this diagram of the EMS in terms of frequency and energy.

Drag labels to their correct position on the image

greatest energy

least energy

least frequency

greatest frequency

Multiple Choice

Which of the following is NOT a learning goal for today's session on electromagnetic waves?

• Explore electromagnetic waves and their effects

• Understand why we only see part of the spectrum

• Learn how electromagnetic waves affect living things and the environment

• Memorize the names of all electromagnetic waves

Open Ended

Reflecting on today's lesson, how do you think electromagnetic waves impact our daily lives and the environment?