Optics and Magnifiers

__________ are devices that act as two tiny telescopes fastened together for use with both eyes.

• cameras

• binoculars

• eyeglasses

A __________ consists of one or more tubes containing lenses and, often, mirrors.

• telescope

• camera

• microwave

A __________ enlarges tiny things so that they can be seen and studied.

• telescope

• camera

• microwave

• microscope

A refracting telescope __________.

• gathers light with a mirror

• deflects light from Earth

• gathers light with a lens

Optics is the study of__________________.

• lenses

• binoculars

• telescopes

• light and the ways it can be changed

Which of the following is NOT a simple microscope?

• reading glasses

• telescope

• magnifer

• single lens

Microscopes use ____________ to magnify the objects being observed.

• mirrors

• lenses

• telescopes

• magnifiers

How many different types of telescopes are there?

• 1

• 2

• 3

• 4

______________ telescopes use only mirrors to gather and focus light.

• reflecting

• refracting

• binocular

• catadiophic

_______________ telescopes use only lenses to collect and focus light.

• reflecting

• refracting

• binocular

• catadiophic