Earth
Sun
Moon
This and That
Vocabulary
100
This causes the Earth's seasons.
What is the tilt of the Earth?
100
The word "solar" refers to this object.
What is the "sun"?
100
It takes this long for the moon to revolve completely around the Earth.
What is 29 days or about a month?
100
This keeps the Earth and moon in their orbits.
What is "gravity"?
100
This word describes the Earth spinning continuously.
What is "rotating"?
200
The shape of the Earth
What is a "sphere"?
200
The sun is a big fiery ball of gas called this.
What is a "star"?
200

During these 2 moon phases the Sun and Moon partially cancel out their gravitational pull causing lower than normal high tides.

What are first and third/last quarter?

200
It takes this long for the Earth to complete on full rotation.
What is 24 hours?
200
This imaginary line goes from the North Pole to the South Pole of the Earth.
What is the "axis"?
300
The Earth takes this long to revolve around the sun.
What is 365 1/4 days?
300
The sun rises in this direction.
What is the "east"?
300
During this phase of the moon, we can see no light from the moon.
What is a "new moon"?
300

This is the name for the tides that occur on the first and third/last quarter moons every month.

What are "neap tides"?

300
This term is used to describe the phase of the moon when we see all of the lit side.
What is "full moon"?
400
When it is winter in North America, it is this in Australia.
What is "summer"?
400

During this season the sun has less direct rays hitting earth causing shorter daylight hours.

What is winter?

400

During these 2 moon phases the Sun and Moon's gravity work together to pull on Earth's surface causing higher than normal high tides.

What is full and new moon?

400
The sun appears higher in the sky during this time of year because of the tilt of the earth.
What is "summer"?
400
As we see less and less of the lit part of the moon, we say that it is doing this.
What is "waning"?
500
The imaginary line horizontally around the middle of the Earth.
What is the "equator"?
500
This is how the sun's rays strike the Earth in the summer.
What is "directly"?
500
The moon affects this part of the Earth, changing it daily on our beaches.
What is the "ocean tide"?
500

This is the name of the tides that happen during full and new moons causing higher than normal tides.

What are "spring tides"?

500

This term refers to the moon phases where the light is growing on the right. 

What is "waxing"?