Earth
Moon
Space
Planets
Double
100
How many moons does Earth have?
One
100
When the Moon shows a thin curved edge in the sky, it is in this phase.
Crescent
100
Big Dipper
100
Which planet is closest to the Sun?
Mercury
100
What do we call the Sun together with all its planets?
Solar System
200
How many hours does Earth take to complete one spin?
24 hours
200
What causes the Moon to show different shapes?
Its orbit around Earth
200
What can travel 186,000 miles per second?
Light
200
What do you call the time it takes for a planet to go around the Sun?
A year
200
Which star helps navigators find north?
Polaris
300
What do we call an event when Earth blocks the Sun's light from reaching the Moon?
Lunar eclipse
300
Which moon phase is not seen in the night sky?
New Moon
300
What do we call the outer space region beyond our solar system?
Universe
300
Which giant planet circles the Sun in about 12 years?
Jupiter
300
How long does Earth take to orbit the Sun?
365.25 days
400
What do we enjoy on Earth as it moves around the Sun?
Seasons
400
What is the moon phase called when more than half is lit?
Gibbous
400
What is a star?
An exploding ball of burning gas held together by gravity.
400
Which planet is known as the Blue Planet?
Earth
400
How long does sunlight take to reach Earth?
8 minutes
500
What is the distance from Earth to the Moon?
238,000 miles
500
What phase shows half of the Moon lit?
First Quarter
500
Leo
500
Name the order of the planets within our solar system.
Pluto is a dwarf planet.
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
500
This is the time the Moon takes to complete one orbit around Earth.
About 28 days