Chapter 16 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Planet

A

a large, ball-shaped body of matter that revolves or travels around any star.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Solar System

A

the sun, eight planets and their moons, dwarf planets and other objects that revolve around the sun.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Orbit

A

the path of any object in space that revolves around another object in space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Asteroid

A

a small chunk of rock that orbits around the Sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are meteoroids?

A

Meteoroids are bits of rock and metal passing through our solar system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are comets?

A

Chunks of ROCK, DUST and ICE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the streak of light called that meteoroids make in the sky?

A

a METEOR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the names of the eight planets?

A
Saturn
Uranus
Neptune
Jupiter
Earth
Mars
Mercury
Venus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What keeps the solar system stay together?

A

The Suns’ GRAVITY keeps the solar system together

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Name 2 objects int he solar system

A

Comets and Meteoroids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Why is Mercury so hot and Neptune is almost frozen?

A

Mercury is so hot because it is so close to the sun.

Neptune is cold because it is so far away from the sun.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What planet is the smallest planet?

A

Mercury

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How many Earth days Does it take for Mercury to orbit the sun?

A

88 Earth days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is Venus covered with ?

A

Venues is covered with huge volcanos that spew poisonous gases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Why can people and animals survive on Earth?

A

Because Earth is not too hot or too cold, has a lot of liquid water and has atmosphere (oxygen and carbon dioxide) that living things need.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How do scientists think Earth’s moon may have been created?

A

It was created by chunks of rocks broken off and pulled together to form the moon.

17
Q

What are 3 things scientists thought the surface of Mars had on it at one time?

A

Rivers
Lakes
Oceans

18
Q

What does the surface of Mars look like now?

A

a dry desert

19
Q

What are the names of the 4 outer planets?

A

Jupiter
Uranus
Neptune
Saturn

20
Q

What is the Great Red Spot in Jupiter?

A

a large storm

21
Q

Uranus doesn’t rotate like other planets, what does it do?

A

it spins on its side.

22
Q

What new category was Pluto put in?

PLUTO

A

Dwarf planet category.
Pluto is a small, ball-shaped object that orbits the Sun.
Pluto is the only outer planet that is not made of gas.

23
Q

What 2 things have helped us explore the Solar System?

A

Telescopes and Spacecrafts

24
Q

What do telescopes have and what do they do?

A

they have glass lenses and mirrors

25
Q

What planet is the only planet that has animals on it?

A

EARTH

26
Q

What are robots doing on Mars?

A

They are testing soil to look for evidence of past life.

27
Q

Why is the sun so bright and hot?

A

The sun is made of hot burning gases.
Energy is released from the Sun by gas particles that have positive charge collide and join. This energy moves in all directions and hits Earth as SUNLIGHT

28
Q

What are the 4 inner planets?

A

Mercury
Venus
Earth
Mars

29
Q

In what ways are Jupiter and Saturn alike?

A
They are both outer planets. 
Made of mostly gas. GAS GIANTS
They have RINGS
Surfaces are not solid.
They have deep atmospheres with think layers of clouds and strong winds.
30
Q

Why is Mars called the “red planet”?

A

It has a reddish-orange surface.