Download Chapter 5 Telescope Test

Chapter 5 Telescope Test
Astronomy
DIRECTIONS: Answer the following questions with the most complete
answer.
True/False:
1._____ The primary purpose of a telescope is to collect light
2._____ A Newtonian telescope has no secondary mirror
3._____ Radio telescopes are large because of the long wavelengths they receive
4._____ Gamma bursts are equal in energy to the whole life of our solar system
5._____ Near infrared detects heat
6._____ Visible light is part of the electromagnetic spectrum
7._____ Newton used a telescope to make breakthroughs to begin modern
astronomy
8._____ The larger the magnifcation the more light is allowed in the telescope
9._____ Resolution is how clear an object appears.
10.____ Optical telescopes reveal only black and white images for objects in
space.
Label the Following Diagrams:
a.
e. Type -
c.
d.
b.
a.
b. Type
c.
Short Answers:
d.
1. What is electromagnetic radiation?
2. List in order from longest to shortest wavelength the types of
electromagnetic radiation.
3. Why would astronomy limit itself if it only used optical telescopes?
4. Compare and contrast reflecting and refracting telescopes.
5. Choose one type of telescope that does not use visible light and
explain how it works.
6. What did you find most interesting in studying telescopes?
7. Explain the importance of emission spectra.
8. How are emission spectrums generated?
9. Explain how to observe an emission spectra of a specific atom and
what you might observe that would help you identify the element.
Fill In the Blank:
1. ____________uses a combination of mirrors and lenses to fold the
optics to form an image.
2. __________/__________ causes a rainbow effect in refracting
telescopes.
3. The ratio of the focal length of the telescope to its aperature is
called ____________/____________.
4. The distance from the lens to the point where the telescope is in focu
is called the_____________/______________.
5. In order to get better resolution, radio telescopes are placed in a(n)
_____________.
6. A special room where light from the telescope is diverted is called the
_____________ room.
7. The Dobsonian telescope is a _______________ telescope.
8. The giant Keck telescope is a _______________ telescope.
9. The VLA telescope is a(n) _____________ telescope.
10. Doppler uses _____________ waves.
11. The microwave image that suggests evidence of the Big Bang is called
the __________ image.
12. X-rays from space are observed by their ___________ rather than
their ______________.
13. X-ray and Gamma ray telescopes are great for observing
____________/____________.
14. The energy trapped by a _____________ telescope passes right
through the telescope.
15. The wavelength of ____________ is about the size of a bee.
16. The wavelength of ____________ is about the size of a atomic nuclei
cobe, radio, wavelength, frequency, reflecting, refracting, gamma,
x-ray, focal length, array, energy, newtonian, cassegrain,
catadioptrics, coude, focal ratio, microwave, visible light, uv, black
holes, blasts