TCI U4L7 Light and Telescopes Quiz

Infrared is a type of

• colored heat

• visible light

• invisible light

• high-pitched sound

Which of the following is a tool that bends light?

• a light bulb

• a lens

• a telescope

• a flashlight

Refraction refers to when light

• spreads out in all directions possible

• splits into two or more rays when hitting an object

• hits a mirror and is reflected to another object

• bends from passing from one material to another

What does a telescope do?

• collects and focuses light

• gathers and spreads out light

• produces and absorbs light

• bends and splits light

A refracting telescope is useful for studying objects that are

• dim and close by

• dim and far away

• bright and close by

• bright and far away

A reflecting telescope uses

• lenses

• mirrors

• cameras

• satellites

__________ causes images gathered on Earth to be blurry.

• Dust in space

• Focused light

• The atmosphere

• All of the above

What type of telescope is Hubble?

• an infrared telescope

• a radio telescope

• a space telescope

• a refracting telescope

A radio telescope gathers

• invisible light

• visible light

• sound waves

• all of the above