EM Spectrum

Electromagnetic waves are

• longitudinal waves

• transverse waves

• mechanical waves

• matter waves

What is a property of all electromagnetic waves?

• They are deflected by magnets.

• They are positively charged.

• They travel at the speed of sound.

• They travel through a vacuum.

What do all electromagnetic waves have in common?

• Their strength

• Their speed

• Their wavelength

• Their frequency

State the magnitude of the speed of electromagnetic spectrum travel in a vacuum

• $4\ x\ 10^{-8}$ m/s

• $3\ x\ 10^{-8}$ m/s

• $4\ x\ 10^8$ m/s

• $3\ x\ 10^8$ m/s

What are electromagnetic waves?

• sound waves
• electric & magnetic fields (energy) that travel through empty space very quickly
• Someone's name
• things like longitudinal waves

Which section of the spectrum is the ONLY one we can see?

• X-rays
• Visible Light
• Gamma Rays
• Ultraviolet Rays

Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength

• Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
• Gamma, X-rays, Ultra, Vis, Infra, Micro, Radio

• Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
• Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

Which of the following electromagnetic waves is given off as heat?

• Radio Waves

• Visible Light

• Infrared Rays

• Gamma Rays