Using lenses by Abigail B. Roberts
Author:Abigail B. Roberts.
Language: eng
Format: epub
Publisher: Gareth Stevens Publishing
Published: 2018-12-05T07:50:30+00:00
concave lens
view of ruler through concave lens
13
Some old movie theaters use
projectors with concave lenses.
A light in the projector shines
through a picture. A concave lens
makes the light rays spread out
and form a larger picture on
a screen. Some flashlights use
concave lenses, too.
14
15
Lenses in Science
Microscopes are science tools that
make small objects look larger.
Some use many lenses to help us
see things we canât see with our
own eyes. Many microscopes have
mirrors , too. Scientists can study
cells with microscopes!
16
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