Telescopes

A refracting telescope uses _______ to focus light.

• Lenses

• Mirrors

• Lasers

• Water

Reflecting telescopes use _______ to focus light.

• Lenses

• Flat mirrors

• Curved Mirrors

• A lens and lasers

Tags

NGSS.MS-PS4-2

What type of telescope can work 24 hours a day and even be used in the rain?

• Refracting Telescope

• Radio Telescope

• Newtonian Telescope

• Solar Telescope

The "collector", or "light-gathering part" of the telescope is called the _____

• objective
• ocular
• eye piece
• refractor

The bending of light through a lens is called _____

• reflection
• refraction
• diffraction
• absorption

Tags

NGSS.MS-PS4-2

When the light comes to a focus, using a refracting telescope, it is _____

• upside-down, and flipped left and right
• only flipped left and right
• only upside-down
• unchanged

Who was the first to develop reflecting telescopes?

• Nicolaus Copernicus
• Isaac Newton
• Galileo Galilei
• Tycho Brahe

Why is the Hubble telescope located in space?

• So it can be closer to the stars it magnifies
• They have very large optical lenses
• So its images arent distorted by Earth's atmosphere 
• So it can be operated by astronauts 

What is the lens called that is curved and the middle is thicker than the edges?

• Refracting 
• Reflecting 
• Convex
• Curved 

light emitted from an object moving towards you will have its wavelength shorted and will be considered

• red shiffted
• blue shiffted

Tags

NGSS.HS-PS4-1