Electromagnetic Spectrum

These high-energy waves are given off by radioactive materials.

• Gamma
• Microwaves
• Radio
• Ultraviolet

These waves are used to send signals, including WiFi and text messages.

• Gamma
• Microwaves
• Radio
• Ultraviolet

These waves from the sun cause sunburn.

• Gamma
• Microwaves
• Radio
• Ultraviolet

The energy of waves _______ as the wavelength gets shorter.

• increases
• decreases
• stays the same

Increasing the amplitude of a wave, _________ the wave's energy.

• increases
• decreases
• does not change

The red section of the wave is measuring _________________.

• wavelength

• crest

• trough

• amplitude

The height of the wave is known as the _____________.

• amplitude

• crest

• trough

• wavelength

The _______ of a wave is the number of complete waves passing a fixed point per second.

• wavelength

• frequency

• amplitude

• speed

Which type of radiation has the HIGHER frequency?

• (a)

• (b)

Which type of radiation has the LONGEST wavelength?

• Gamma Rays

• Radio Waves

• Visible Light

• Infrared rays