Galaxies and Electromagnetic Waves Quiz

Which type of electromagnetic wave is used in microwave ovens to heat food?

• X-rays

• Microwaves

• Ultraviolet rays

• Gamma rays

Tags

TEKS.SCI.8.8B

What is the name of the galaxy that contains our solar system?

• Andromeda Galaxy

• Milky Way Galaxy

• Whirlpool Galaxy

• Sombrero Galaxy

Tags

TEKS.SCI.8.9B

Which type of electromagnetic wave is commonly used for sterilizing medical equipment?

• Infrared

• Ultraviolet

• Radio waves

• Visible light

Tags

TEKS.SCI.8.8B

Which of the following is a spiral galaxy?

• Milky Way

• Large Magellanic Cloud

• Messier 87

• Small Magellanic Cloud

Tags

TEKS.SCI.8.9B

Which electromagnetic wave is used in wireless communication technologies like Wi-Fi and cell phones?

• Gamma rays

• Radio waves

• X-rays

• Infrared rays

Tags

TEKS.SCI.8.8B

Which type of galaxy has no definite shape and appears disorganized?

• Spiral

• Elliptical

• Irregular

• Lenticular

Tags

TEKS.SCI.8.9B

How are fiber optics used in communication?

• By using sound waves to transmit data

• By using light waves to transmit data through glass fibers

• By using microwaves to transmit data through air

• By using X-rays to transmit data through metal wires

Tags

TEKS.SCI.8.8B

If a galaxy is round and lacks spiral arms, how would you categorize it?

• Spiral

• Elliptical

• Irregular

• Barred spiral

Tags

TEKS.SCI.8.9B

Why are X-rays useful in medical imaging?

• They are visible to the human eye

• They can pass through soft tissues but are absorbed by bones

• They are safe for all living tissues

• They are used to sterilize equipment

Tags

TEKS.SCI.8.8B

A student observes a galaxy with a central bulge and arms that wind outward. What type of galaxy is this?

• Elliptical

• Spiral

• Irregular

• Dwarf

Tags

TEKS.SCI.8.9B