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Worksheets and No Prep Teaching Resources
Reading Comprehension Worksheets
Sky Awareness Week
|edHelper's suggested reading level:||grades 6 to 8|
|Flesch-Kincaid grade level:||7.51|
By Phyllis Naegeli
1 Do you like to lie on your back and gaze at the stars? What constellations can you name? Have you ever used a telescope to get a closer look at the universe? Do you know how a telescope works?
2 A telescope is used to see distant objects up close. There are two basic types of telescopes - the refracting telescope and the reflecting telescope. Each will help you to see the planets, moon, or stars. Both use a tube and have an eyepiece to focus the image for you to see. However, each works in a different way.
3 A refracting telescope uses glass lenses to help you see objects in space. An objective lens collects light from the object you want to view. An eyepiece lens works as a magnifying glass to enhance and enlarge the image received by the telescope. As you look through the eyepiece, the picture is viewed. The tube of a refracting telescope is long and thin. In order to increase magnification, the tube must be lengthened.
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For the complete story with questions: click here for printable
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