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