This is when the moon is appearing bigger and bigger until it gets to Full.
What is waxing?
100
This is the closest planet to the Sun.
What is Mercury?
100
The most common type of star is called...
What is a red dwarf?
100
Tides are caused by the gravitational pull of this.
What is the moon?
100
The main reason for the seasons is this.
What is the Earth's tilt?
200
This is the phase of the moon when we cannot see the moon from Earth.
What is new moon?
200
The four inner planets are known as these.
What are the terrestrial planets?
200
This is the name of our galaxy
What is the Milky Way?
200
Neap tides happen during these moon phases.
What are first quarter and third quarter moons?
200
The equator is an imaginary line separating these two halves of Earth.
What are the northern hemisphere and the southern hemisphere?
300
This is when the moon appears to get smaller and smaller until we can't see it at all.
What is waning?
300
These two planets are tilted on their axis, which causes the seasons.
What are Mars and Earth?
300
The life expectancy of our Sun is about...
What is 10 billion years?
300
This kind of tide only happens during a new or full moon.
What is a spring tide?
300
Regions along this part of the Earth receives the most direct sunlight all year round, which is why this part of the world doesn't experience seasons the way we do.
What is the equator?
400
This is when the moon is in the phase that is bigger than a quarter moon but smaller than a full moon.
What is gibbous?
400
Mercury and Venus are the only ones that don't have one of these.
What is the moon?
400
Stars start out burning up this type of gas.
What is hydrogen?
400
A total lunar eclipse only happens when the moon is in this phase.
What is a full moon?
400
Our mass and weight on Earth are the same number. However, in space (on the moon, on Jupiter, etc.) only one of these will stay the same.
What is mass?
500
The moon is sometimes referred to as Earth's guardian angel because it protects us from being hit with meteorites. That is why the moon is covered with these?
What are craters?
500
List the planets in order from closest to the sun to farthest away.
What are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.
500
Shooting stars are actually one of these.
What are comets and meteors?
500
The moon's shadow has two parts. They are called
What are the penumbra and the umbra?
500
The shape of Earth's orbit and the orbits of other planets around the sun.