Matter and Radiation Quiz B >> Astronomy: Exploring Time and Space
TOTAL POINTS 8
1.True or False: Heavy elements such as Carbon and Nitrogen, that are necessary for life were created in the Big Bang and have been around in the Universe since that time.
1 point
True
2.Choose all that apply: By observing the spectrum of a distant object we can tell which of the following:
1 point
what it is made of
the temperature
the weight
the diameter
3. Every object in the universe
1 point
has the same temperature
has a smooth spectrum of radiation that relates to its temperature
Emits narrow emission lines of hydrogen
Emits thermal radiation that peaks in the infrared
4.Stars have surface temperatures of thousands of Kelvin so they emit visible light. Planets typically have temperatures of hundreds of Kelvin so they emit
1 point
Infrared Radiation
X-Rays
Ultraviolet
Radio Waves
5.Einstein’s famous equation E = mc2 says that
1 point
The speed of light is a universal constant.
Mass and energy are completely distinct and one cannot be converted into the other.
A tiny amount of mass is equivalent to a tiny amount of energy.
A tiny amount of mass is equivalent to an enormous amount of energy
6.If you were aboard the International Space Station in Earth orbit
1 point
You would have mass but no weight.
You would have more mass than the International Space Station.
You would have no mass but you would have weight.
Your mass would increase but your weight would decrease.
7.Which of the following exerts the force of gravity?
1 point
A planet
A person
A proton
All of the above
8. When you are standing on the Earth’s surface
point
The force you exert on the Earth is the same as the force the Earth exerts on you
The force you exert on the Earth is much less than the force the Earth exerts on you
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