Planets
Earth
Our Moon
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
How would you describe the surface of the moon?
Craters, hills, rocky, ridges, valleys.
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

Which 2 phases of the moon cause the highest tides in the ocean?

Full moon and new moon.

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
Describe a New Moon.
A New Moon is when no section of the moon is visible from Earth due to the light from the Sun bouncing off the opposite side of the 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/Revolve

400

What are the 4 terrestrial planets?

Mercury, Venus, Earth, and Mars.

400
Why does the Southern and Northern Hemisphere experience opposite seasons?
Because when one side of the Earth is pointing towards the Sun (summer) the other side of the planet is pointed away from the Sun (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

True or False: Meteors (shooting stars), are actual stars.

False. Meteors are space rocks that enter the Earth's atmosphere. 

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

How long does it take for Earth to make a full rotation?

A full day (24 hours).

500

List the 4 moon phases in order.

1: New Moon 2: First Quarter  3: Full Moon 4: Last Quarter

500

How old is our sun?

A) 2.6 billion years old

B) 3.6 billion years old

C) 4.6 billion years old

C) 4.6 billion years old

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