Earth
Planets
Moons
Stars
Vocabulary
100
Earth rotates on an imaginary line called what?
Axis
100

List the order of the planets in our Solar System.

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

100

Describe a full moon.

The phase when the entire moon is visible to humans on Earth.

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
How long does it take Earth to make one orbit around the Sun?
365 days (1 year)
200
The two largest planets in our Solar System are...
Jupiter and Saturn.
200

What is the source of light that makes our moon shine?

The Sun.

200
Which is the closest star to Earth?
The Sun
200

A force which tries to pull two objects together. (On Earth and in space.)

Gravity

300
During the winter season, which direction does the Northern Hemisphere point in relation to the Sun?
Away from the Sun.
300

This nickname is given to the 4 planets farthest from the sun... because of their size and composition.

"Gas Giants"

300

The moon phase when you can see the whole moon in the night sky.

Full Moon.

300
A ___________ is a group of stars that form a picture.
Constellation
300
The path that one object in space takes around another object.
Orbit
400

True or False: Earth’s moon doesn’t have a name because it doesn’t need one as everyone calls it simply “the moon”.

True

400

This region of the Solar System is farther than Neptune and home to Pluto.

Kuiper Belt

400

How many moons does Saturn have?

274 confirmed moons.

400

True or False: There are more stars in the sky than grains of sand on all the beaches in the world!

True

400
A bowl shaped hole on a moon or planet made by crashing rocks or asteroids.
Crater
500

In your own words... describe a Midnight Sun.

When the Sun does not dip below the Horizon.

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

What are the names of Mars’ moons.

Phobos and Deimos.

500

How is distance most commonly measured in space?

Light years.

500

Natural satellites that travel with a planet as it orbits. (Most, but not all, planets have at least one of these.)

Moons

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