Unit G Test Review

Question 1

What do you need to bring home with you to study?

Accepted Answer

study guide

Question 2

What's the difference between a planet and a star? Choose BEST answer!

Accepted Answer

Stars are bigger and create their own light.

Question 3

When is the test?

Accepted Answer

Monday

Question 4

What is the name of our galaxy?

Accepted Answer

Milky Way

Question 5

What is the biggest problem with models of the Solar System?

Accepted Answer

difficult to show accurate scale of size and distance

Question 6

The Solar System includes...

Accepted Answer

The Sun, planets, moons, and smaller objects

Question 7

How do we know if something is a planet or moon?

Accepted Answer

Moons orbit planets and planets orbit the Sun.

Question 8

Planet A & Planet B are the same distance away. A's mass is 5000 kg and B's mass is 20,000 kg.

Accepted Answer

Planet B would have a stronger gravitational pull

Question 9

Pluto is no longer a planet because...

Accepted Answer

it can't clear its path (orbit) of other objects

Question 10

If a satellite orbiting Earth slows down, what will happen? It will...

Accepted Answer

move closer to Earth

Question 11

Why do astronauts feel "weightless" in orbit?

Accepted Answer

They are constantly "falling" toward Earth.

Question 12

True or False: Humans have visited the moon.

Accepted Answer

True

Question 13

What is the main difference between the inner and outer planets?

Accepted Answer

The inner planets are rocky and the outer planets are gas.

Question 14

Where does most of the energy for life on Earth come from?

Accepted Answer

nuclear reactions in the Sun

Question 15

Which statement is true about the Sun? The Sun is...

Accepted Answer

an average size star

Question 16

How prepared are you for the test? Be honest!

Accepted Answer

Not at all prepared so I'm definitely going to study, Mostly prepared but I'm still going to study, A little prepared so I'm still going to study, Super prepared but I'm still going to study

Question 17

What year did we first put a human on the moon?

Accepted Answer

1969

Question 18

True or False: Humans have visited other planets.

Accepted Answer

False

Question 19

Is Neptune a rocky or gaseous planet?

Accepted Answer

gaseous

Question 20

True or False: The United States was the first country to go to space.

Accepted Answer

False

Question 21

True or False: A spacecraft has never left our Solar System.

Accepted Answer

False

Question 22

Which country won the "Space Race?"

Accepted Answer

U.S.S.R.

Question 23

Thinking about gravity, what would happen to a spacecraft as it moves toward Earth?

Accepted Answer

Gravitational pull from Earth will increase.

Unit G Test Review

Questions 23

Unit G Test Review

Questions 23