Tides
Circling the Sun
Moon
Moon phases
Earth's movement
100

This is caused by the gravitational pull of the sun and moon.

What are tides

100

The movement of the Earth around the sun.

What is revolution.
100

This is the body that orbits the Earth.

What is the moon?

100

The moon phase that we don't see the moon.

What is new moon?

100

This causes day and night

What is the Earth's rotation.

200

This tide is caused when the Sun, Moon and Earth are all in a line.

What is a spring tide.

200

The number of days it takes for Earth to revolve around the sun.

What is 365 1/4 days?

200

The number of days it takes the moon to orbit the Earth

What is approximately 28 days?

200

The point of the moon's cycle we would see a full moon.

What is half way.

200

The time it takes the Earth to rotate on its axis.

What is a day or 24 hours

300

When you have high and low tides that are about the same, you have this type of tide.

What is a neap tide.

300

This is caused by the revolution of the Earth around the sun.

What are seasons.

300

The shape of the moon seems to change because of this.

What is moon's revolution around the Earth.

300
The phases of the moon when the light goes from right to left. 

What is waxing.

300

This is 24 hours. 

What is the time it takes the Earth to rotate on its axis.

400

What position are the sun, moon and earth in during a Neap tide?

What is a right angle. 

400

This causes the different seasons.

What is the tilt of the Earth.

400

The number of phases of the moon.

What is 8?

400

The phases of the moon when the light goes from left to right.

What is waning.

400

Everything is effected by this. 

What is effected by the rotation and revolution of the Earth?

500

There are this many tides each day.

What is 4.

500

The season when the Earth is tilted towards the sun and there are more hours of daylight in the northern hemisphere.

What is the summer.

500

The reason we see light 'from' the moon.

What is the reflection of the sun's light.

500

The times of the moon's cycle we see half of the moon. 

What are the first and third quarter.

500

Another name for rotation. 

What is spinning or turning.