ES 24.2 Formative

A _______ uses a lens to bend or refract light.

• reflecting telescope

• radio telescope

• refracting telescope

The main difference between a reflecting telescope and a refracting telescope is that reflecting telescopes us a(n) _______ to focus the incoming light.

• mirror

• lens

• antenna

• satellite

Match the following properties of telescopes to their meanings.

• light gathering power

• magnifying power

• makes sharper images

• makes brighter images

• makes larger images

• resolving power

Which of the following types of invisible radiation from space can be detected from Earth's surface?

• gamma rays

• x-rays

• radio waves

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Space telescopes produce clearer images that telescopes on earth because...

• space telescopes are above the atmosphere

• space telescopes are larger

• space telescopes are more expensive

• space telescopes are reflecting and telescopes on Earth are refracting

Which was the first space telescope?

• Hubble Space Telescope

• Apollo Space
  Telescope

• Compton Space Telescope

• Chandra Space Telescope

T or F: Astronomers usually study an object by looking directly through a telescope.

• true

• false

T or F: Most large optical telescopes are reflectors.

• true

• false

T or F: A radio telescope works in a similar way to a radio antenna.

• true

• false

Tags

NGSS.HS-PS4-5

T or F: Refracting telescopes suffer from an optical defect called chromatic aberration.

• true

• false