HMH Waves: Light

Last updated over 4 years ago
17 questions
4

Light from the sun travels through space to Earth as transverse waves. These light waves DO NOT need a medium in which to travel. Think about the path that the light from the sun takes to shine through your window.
How did that sunlight reach us all the way here on Earth?
What does it travel through?

Watch the video with the entire class and answer the question.
2

Observe the two examples of transverse waves.
  • How does each transfer energy from one place to another?

6

What patterns do you observe?
How are the two waves similar?
How are they different?

1

How many waves does electromagnetic (EM) have in it?

1

Electromagnetic wave is made up of what kind of waves?

1

These two waves are __________________________ to each other and carry energy away from the charged particle.

1

Electromagnetic waves (EM) do not need a medium in which to travel.

1

Light that we readily see is called _________________ light.

3

Which of the following waves is part of EM spectrum?

1

Shorter wavelengths have ______________than longer wavelengths.

1

In a vacuum, all EM waves, including light, move at the same speed. What is the speed of light?

1

The ratio of the speed of light through diamond to the speed of light through a vacuum is__________.

1

The ratio of the speed of light through glass to the speed of light through a vacuum is___________.

1

The ratio of the speed of light through water to the speed of light through a vacuum is ____________.

1

What does the energy of an EM wave depend upon?

1

The more energy EM waves have, the more safer they can be to living tissue.

2

When working with x-rays, lab teachnicians are wearing a lead apron. Explain.