Milky Way Galaxy
Earth
Mercury and Venus Facts
Mars and Jupiter Facts
Saturn, Uranus, Neptune, Pluto
100
Why do the objects in our solar system stay in orbit?  It's because of the Sun's _______
Gravity
100
How long does it take for the Earth to rotate?
24 hours/ one day
100
Mercury's surface is hot enough to melt _______?
Lead
100
What is Mars known as?

What does it have the largest of?

Red planet; volcano
100
What are Saturn's rings made of?  What is the surface made of?

How many moons?

ice, rock, dust; gases

18 moons

200
The Sun's energy travels out into space as _____ and _____ providing Earth with plant and animal life, changes in our weather patterns, season, light, heat, vitamin D, and the water cycle.
heat, light
200
How long does it take for Earth to complete one revolution around the sun?
365 days
200
Does Mercury have any moon?  Describe Mercury.
no moons; rocky with craters, closest to sun
200
How many moons does it have?

Describe Mars.

2 moons; rocky, volcanoes, canyons, red dust
200
How does Uranus orbit the sun? How many moons?
on its side; 15 moons
300
Our entire solar system could fit into the ________, or _________ Earth's could fit into the sun.
sun, 13 million
300
How is Earth different from other inner planets?
watery surface, a lot of oxygen, plant and animal life
300
How does Venus rotate?
backwards
300
What is the Great Red Spot on Jupiter?  How big is it?
a huge hurricane; can fit two Earth sized circles
300
How far is Neptune from the sun?
Farthest
400
What are the inner planets?

How are they alike?

Mercury, Venus, Earth, and Mars

Rocky, closer to the sun, warmer, smaller

400
How many moons does Earth have?  How did it get its craters?
one moon, when objects run into it
400
Why is Venus the hottest planet?

What is it's twin planet?

gases are trapped; Earth because it's the same size
400
How many moons does Jupiter have? 

Describe it.

16 moons; no solid surface, made of gases
400
How many moons does Neptune have?
8 moons
500
What are the outer planets?

How are they alike?

Jupiter, Saturn, Uranus, and Neptune

farther from sun, colder, made of frozen gases, rings

500
What is it called when the moon looks like it has different shapes when observed from the sky?
phases of the moon
500
Does Venus have moons?

Describe Venus.

no moons; rocky, covered with thick clouds
500
How big is it compared to other planets in our solar system?
largest
500
Is Pluto considered a planet in our solar system?
no, it's a dwarf planet in the coldest spot
M
e
n
u