Solar System
Gravity and Inertia
Vocabulary
Planets
Miscellaneous
100

Consists of the Sun, Planets, Moons, and any other object in space. What is... 

The Solar System

100

The force of attraction between 2 objects is known as...What is 

Gravity

100

When a celestial body moves around another is called a(n)  What is a...

Revolution / Orbit

100

The 2 categories of the planets that make up our Solar system:

What are the: 

Inner planets

Outer planets

100

What is the comet belt outside of Neptune's orbit?

What is the...

Kuiper Belt

200

A Celestial body that produces it's own light? 

What is....



a STAR

200

A moving object wants to keep moving and an object at rest wants to stay at rest is known as a scientific principle of...

What is....

 Inertia

200

When a celestial body spins on it's axis, 

What is....

ROTATING

200

The Inner Planets are also known as the...Explain why

Terrestrial Planets they are made of rocky material and they have solid surfaces

200

What is one rotational period of Earth...how many days...

What is 

24 hours

300

List 7 celestial bodies that make up the Solar System.

Can only use 1 planet on the list

What are... 

The Sun, Earth, Stars, Meteors, Comets, the Planets, the Moon...

Answers will vary.

300

The 2 forces that keep the Solar System and Universe together are... 

What is 

Gravity and Inertia

300

A collection of gas, dust, and billions of stars. 

What is 

a GALAXY. 

300

Which planet will have the greatest gravitational force on from the Solar system? exlain why

Planet Jupiter

300

Why do the inner planets have a faster revolution time?

What is 

The shorter orbital distance around the Sun.

400

The sun is composed mostly of two elements, what are they? 

Hydrogen and Helium 

400

The gravitational force between 2 objects depend on ....

What are ______________

Mass and distance 

400

The unit that refers to the distance between the Sun and a planet.

What is....

The Astronomical Unit

400

The Inner Planets are separated by the Outer Planets by..

What is...

The Asteroid belt. 

400

If the Sun disappeared, what would happen with the planets. 

What is 

The planets would drift away and fly off in a straight path

500

What are 2 difference between the Sun and the Planets? 

Answers may vary.

The Sun produces it's own light,.

The Sun is a Star.

The Planets do not produce their own light.

The Planets are not Stars.

The Sun is more massive than any of the planets. 

The Sun is the center of our Solar system.

The planets orbit the Sun.

500

COMPARE the gravitational force of  two LARGE objects vs two SMALL objects. 

What is... 

The greater the Mass between the 2 objects, the larger the gravitational force between them.

The smaller the Mass of 2 planets will have a smaller gravitational force between them 

500

A celestial body that follows another body in an orbit is called

What is....

A natural satellite

500

List the Outer planets from being FURTHEST away from the Sun to the being the closest to the Sun. 

What is

Neptune, Uranaus, Saturn, Jupiter

500

The AU is an average distance between Earth and the Sun...

 1 AU = ________________


What is...150 million kilometers

600

The Earth's solar system is located where. 

What is ...

on a spiral arm of the Milky Way. 

600

How does distance affect the gravitational force between objects. 

What is...

As the distance increases between 2 objects, the gravitational force between them will decrease. 

600

The Law that states that the gravitational force depends on 2 factors...Mass and Distance.

What is the 

Law of Universal Gravitation. 

600

Which will have the most gravitational force. Jupiter and Earth, or Mars and Earth.

What is...

Jupiter and Earth

600

Mention three c

The planets would not follow an orbit.

The planets would fly into outer space>

The entire Solar system would fly off in different directions. 

The planets would be pulled into the Sun's path.