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8th Grade Solar System
Test Description: A Solar system is Born Holt Science and Technology
Instructions: Answer all questions to get your test result.
1) what do you call our 9 planets, suns and moons?
A
Solar system
B
Solar Nebula
C
Galaxy
D
Milky way
2) Nebulas are found in the regions of space...
A
outside the solar system
B
Outside the force of gravity
C
inside stars
D
Between stars
3) Nebulas are a mixture of gases and...
A
water
B
vapor
C
rock
D
dust
4) which elements are found in the gases of Nebulas?
A
carbon dioxide & helium
B
Hydrogen and oxygen
C
hydrogen & helium
D
carbon dioxide & oxygen
5) The matter of a nebula is held together by...
A
gravity
B
space duct tape
C
Mrs. Ammeraal
D
space glue
6) How do we measure the energy of the particles in an object?
A
With a tape measure
B
Temperature--
C
Inches, feet and yards
D
It's weight
7) Gravity and pressure keep a nebula from collapsing by...
A
Blowing up air inside like a balloon
B
having so much dust it can't collapse
C
Mrs. Bryson using her super powers
D
Having a balance between outside pressure and inside gravitational pull
8) What 2 things can mess up the balance of gravitational pull and outside pressure in a nebula?
A
A solar system fight between planetary governments or space ships using photon torpedos
B
A collision of 2 nebulars or a star exploding
C
Mr. Fine or Mrs. Pinkham using their super powers.
D
Gases and dust
9) When a nebula collapses, small parts in the cloud get pushed together. They are called...
A
Gas
B
Globules
C
dust
D
Rain
10) What is a solar nebula?
A
A cloud formed by thunder and lightning
B
a Cloud of rain
C
A cloud of dust and gas
D
a cloud in the sun (solar)
*select an answer for all questions
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