Planets
Earth
Moons
Stars
Vocabulary
100
List the order of the planets in our Solar System.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
100
Earth rotates on an imaginary line called what?
Axis
100

This planet has moons that help make up its rings

Saturn

100
Stars are hot, glowing balls of ______.
Gas
100
A person trained to command, pilot, or serve as a crew member of a spacecraft.
Astronaut
200
The two largest planets in our Solar System are...
Jupiter and Saturn.
200
How long does it take Earth to make one orbit around the Sun?
365 days (1 year)
200

How many days apart are full moons?

28 days

200

Which is the closest star to Earth?

The Sun

200
A force which tries to pull two objects towards each other.
Gravity
300
This nickname is given to the 4 outer planets... because of their size and composition.
"Gas Giants"
300
During the winter season, which direction does the Northern Hemisphere point in relation to the Sun?
Away from the Sun.
300

This planet has the most known moons

Jupiter, but Saturn is also acceptable because they are still confirming new moons they recently discovered

300

A ___________ is a group of stars. In mythology it is said that they form a picture.

Constellation

300
The path that one object in space takes around another object.
Orbit
400
This region of the Solar System divides our inner and outer planets.
Asteroid Belt
400

Why does the Southern and Northern Hemisphere experience opposite seasons?

Because of the Earth's tilt. The Hemisphere closer to the Sun has summer while the Hemisphere away from the Sun has winter.

400
What is the source of light that shines from our Moon?
The light from the Sun reflecting off the Moon's surface.
400

Stars can be different colors based on their

Mass or temperature

400
A bowl shaped hole on a moon or planet made by crashing rocks or asteroids.
Crater
500
What are three characteristics of the 4 inner planets.
1: Smaller in size 2: Made of rocky material 3: Not a lot of moons 4: Closest to the Sun (years are shorter/planets are warmer)
500

The Earth is tilted ? degrees on its axis.

What is 23 degrees

500

Name a planet that does not have a moon

Mercury or Venus

500

Name one of the 3 factors that determine a star's brightness?

1: Distance from Earth 2: Size 3: How quickly it burns Hydrogen

500
Satellites that travel with a planet as it orbits.
Moons
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