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Electromagnetic spectrum OALH

Last updated almost 5 years ago
40 questions
Do now - 5 mins
1

Select the correct unit for Frequency

1

Calculate the wave speed if the wavelength is 2m and the frequency is 4Hz.

1

Describe the oscillations in a longitudinal wave.

1

Define precise

1

Identify the anomalous result
2.09 3.98 1.98 2.13 2.00

1

Challenge: Describe how sound travels from a drum to someone's ear.

Pause point question
1

We know that radiation is a form of energy transfer, state one other way that energy can be transfered.

1

Electromagnetic waves are transverse...true or false?

New learning
1

Which electromagnetic waves have the longest wavelength?

1

Which electromagnetic waves have the shortest wavelength?

1

Which electromagnetic waves can we detect with our eyes?

Checking for understanding
1

Which type of electromagnetic wave is the blue box covering?

1

Which type of electromagnetic wave is the orange box covering?

1

Which type of electromagnetic wave is the yellow box covering?

1

Which type of electromagnetic wave is the yellow box covering?

1

Which type of electromagnetic wave is the blue box covering?

1

Which type of electromagnetic wave is the orange box covering?

Watch the video and learn the song in the power point
Key knowledge
1

What type of wave are electromagnetic waves?

1

What is different about the EM waves?

1

Name the EM waves from the largest to smallest wavelength.

1

Which type of EM wave can be detected by our eyes?

L, C, W, C - No peeking!
1

What type of wave are electromagnetic waves?

1

What is different about the EM waves?

1

Name the EM waves from the largest to smallest wavelength.

1

Which type of EM wave can be detected by our eyes?

Recall quiz
1

All electromagnetic waves are ________ waves

1

Different types of electromagnetic waves have different ___________.

1

Give the type of electromagnetic waves with the largest wavelength.

1

Give the type of electromagnetic waves with the smallest wavelength.

1

Give the type of electromagnetic waves that can be detected by the human eye.

We do
1

Compare and contrast ultraviolet and visible light waves (3)
•Both ultraviolet waves and visible waves are __________ waves, however, ultraviolet waves have a ________ frequency than visible light rays.
• Ultraviolet is used for _________________________ were as visible light is used for __________________.
• The dangers of ultraviolet are that ………. were as visible light ……

You do
1

Compare and contrast microwaves and gamma rays

Application task
1

Name the seven EM waves.

1

Which wave has the lowest frequency?

1

Which wave has the largest wavelength?

1

Which type of EM wave is used for treating cancer. Which properties make it suitable for this use?

1

Challenge: Why do astronauts have to communicate by walkietalkie’s using radio waves in space rather than by talking to each other in space?

Plenary
1

Place the electromagnetic spectrum in order:

Microwaves, Ultraviolet, radio-waves, visible light, Gamma rays, x-ray, Infrared,

1

Draw and a label a transverse wave, include Peak, Trough, Amplitude, Wavelength

1

Which part of the electromagnetic spectrum can humans see with the naked eye?