Light & Telescopes

A refracting telescope uses _______ to focus light.

• Lenses

• Mirrors

• Lasers

• Water

Tags

NGSS.HS-PS4-5

Reflecting telescopes use _______ to focus light.

• Lenses

• Flat mirrors

• Curved Mirrors

• A lens and lasers

Which of these light types cannot be captured by a telescope?

• Radio waves

• Microwaves

• Ultraviolet

• All of them can be captured

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-1

The type of light humans can see is called ___________ light.

• electromagnetic
• red
• white
• visible

Tags

NGSS.HS-PS4-4

What type of telescope is this?

• Refractor
• Reflector
• Non-Optical
• X- Ray

What type of telescope is this?

• Refractor
• Reflector
• Non-Optical
• X- Ray

Tags

NGSS.HS-PS4-3

Which telescope bends light the most making distorted images? 

• Reflector
• Refractor
• Compound

What is a photon?

• When radiation burst through electric waves
• The emission of electrons from a metal caused by light striking the metal
• The rate at which a waves energy flows through a given unit of area.
• particle of light energy

Tags

NGSS.HS-PS4-3

The main advantage of using orbital observatories like the Hubble Space Telescope is that __________.

• they are easier to use than land-based telescopes.

• they are cheaper to build than land-based telescopes.

• they can look anywhere in the universe at any time.

• they avoid the distortion and absorption of electromagnetic waves by the atmosphere.

Light pollution is a concern for astronomers

• True

• False