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Unit 2 Test
Test Description: Telescopes, Spectroscope, Radio Telecopes, Astronomers
Instructions: Answer all questions to get your test result.
1) You take a spectroscope outside one night to look at a star. The colors that you see can tell you the star's
A
Composition
B
Brightness
C
Gravity
D
Size
2) Light is the only form of energy that is
A
Visible
B
Made by the sun
C
Electromagnetic
D
Formed by waves
3) The scientist who first proposed the Heliocentric Solar System is
A
Newton
B
Ptolemy
C
Galileo
D
Copernicus
4) A pulsar could be discovered using a9n0
A
Computer
B
Radio Telescope
C
Spectroscope
D
Optical Telescope
5) Different forms of energy have different
A
Colors
B
Size
C
Chemicals
D
Wavelengths
6) When the bug on the water moves toward the shore, the waves are squeezed together in front of the bug. This is an example of the
A
Law of Gravity
B
Red Shift
C
Doppler Effect
D
Laws of Motion
7) Astronomers viewing light from distant galaxies observe a shift of spectral lines toward the red endow the visible spectrum. This shift provides evidence that
A
The Sun is cooling
B
Earth's atmosphere is warming
C
The universe is expanding
D
Orbital velocities of stars are decreasing
8) The color of the spectrum with the smallest wavelength
A
Red
B
Blue
C
Violet
D
Indigo
9) You probably would not need a radio telescope to find
A
Big objects
B
Dark objects
C
Hidden objects
D
Far away objects
10) Scientists think that there is a galaxy hidden inside a cloud of gas. What kind of instrument would be used to find the Galaxy?
A
Spectroscope
B
Refracting telescope
C
Radio telescope
D
Optical telescope
*select an answer for all questions
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