The amount of gravity acting on you.

Why is Pluto not considered a planet?

It is too small; it cannot clear objects out of it's path.

What is true about gravity?

All objects that have mass have gravity.

Which is the correct order of the structures, LARGEST to SMALLEST?

universe > galaxy > solar system > star > planet

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7th grade Space Science Test Review

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7th grade science review for OASS: role of gravity in the motions within galaxies and the solar system; scale in the solar system

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Questions 34

Answers

1
Which planet has the greatest gravity?
Jupiter
Mercury
Uranus
Earth
2
BONUS FOR FUN! Where do comets in our solar system originate from?
Asteroid belt
Kuiper belt
They broke off from the ice giants
Other solar systems
3
What is the reason objects in space have predictable motions?
gravitational force
normal force
angry force
centripetal force
4
What are the outer planets made of?
Dense gases
Rocky surfaces, iron core
Star stuff
Molten lava
5
What is the nickname for the outer planets?
Gas/ice giants
Rocky/terrestrial planets
The big 'n gassy
Kuiper belt
6
As distance increases, gravitational force __________.
Stays the same
Increases
Decreases
Increases then remains constant
7
What is your weight?
The amount of matter in you.
The amount of gravity acting on you.
The amount of weight in you.
Mass and weight are the same.
8
Which is the 4th planet in our solar system?
Venus
Mercury
Mars
Earth
9
As mass increases, gravitational force ____________.
increases then remains constant
decreases
stays the same
increases
10
What would Ellen's WEIGHT be on the moon?
14
66
11
7
11
What separates the inner planets from the outer planets?
Comet belt
Kuiper belt
Asteroid belt
Ceres
12
BONUS FOR FUN! What is the name of the galaxy we live in?
Canis Major Dwarf
Andromeda
Milky Way
Sagittarius Dwarf Elliptical
13
What is your mass?
The amount of gravity acting on you.
The amount of weight in you.
The amount of matter in you.
Mass and weight are the same.
14
Which of the following is NOT considered an outer planet?
Saturn
Neptune
Jupiter
Pluto
15
BONUS FOR FUN!: What is the name of the spacecraft that visited Pluto?
Apollo 11
New Horizons
Voyager 2
Pioneer
16
Why does Jupiter have the greatest gravitational force?
It is beyond the asteroid belt.
It is the most massive planet.
It is a Jedi master.
It has the largest rings.
17
What is the nickname for the inner planets?
The tiny toasties
Gas giants
Asteroid belt
Rocky/terrestrial planets
18
What is a star?
A planet that emits light and heat.
A sun.
A nuclear reaction of gases.
What's left of the destruction of Galactic Empire.
19
BONUS FOR FUN!: Besides Pluto, what is another dwarf planet in our solar system?
Europa
Charon
Titan
Ceres
20
Which of the following is an inner planet?
Mars
Saturn
Jupiter
Neptune
21
What would Ellen's MASS be on the moon?
11
66
14
7
22
Why is there less gravity on the moon?
The moon has a smaller mass.
The Earth's oceans hold great gravity.
The moon does not support life.
The Earth is closer to the Sun.
23
What is Pluto's classification?
Moon
Asteriod
Planet
Dwarf planet
24
Which planet is most similar in size to Earth?
Mercury
Pluto
Venus
Mars
25
Why is Pluto not considered a planet?
It is too small; it cannot clear objects out of it's path.
It does not orbit around our star.
It is too far; it is past the Kuiper Belt.
It's orbit is on a tilt, unlike the other orbiting planets.
26
What is true about gravity?
All objects that have mass have gravity.
Only Jedis can use the force.
Only big objects with a lot of mass have gravity.
You must have two objects to have gravity.
27
At the center of a SOLAR SYSTEM is a--
Dark Matter
Black hole
Anti-matter
Star
28
At the center of a GALAXY is a--
Star
Dark Matter
Black hole
Anti-matter
29
Which planet has the GREATEST gravitational force?
Earth
Mercury
Neptune
Jupiter
30
Why does the moon impact Earth's tides more than the Sun?
It has greater gravity.
It is closer to us.
It is rock while the Sun is gas.
It is bigger.
31
Which is the correct order of the structures, LARGEST to SMALLEST?
universe > galaxy > star > solar system > planet
universe > galaxy > solar system > star > planet
planet > star > solar system > galaxy > universe
planet > solar system > star > galaxy > universe
32
Which planet has the LEAST gravitational force?
Jupiter
Mercury
Earth
Neptune
33
What are the inner planets made of?
Rocky surfaces, iron core
Star stuff
Dense gases
Frozen gases
34
What is the ONLY situation in which your mass would change?
If you went to another planet.
If you lost or gained pounds.
If you went to the dark side of the force.
If you went to another galaxy.

7th grade Space Science Test Review Flashcards | StudBud