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Earth
Sun
Moon
This and That
Vocabulary
100
This causes the Earth's seasons. Orange Page 324
What is the tilt of the Earth?
100
The word "solar" refers to this object that is the center of our solar system.
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
This the the shape the moon seems to have as it orbits earth.
What are "moon phases"?
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 about 365 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. Orange book pg. 333
What is a "new moon"?
300
This object is used to study far away objects in the sky.
What is a "telescope"?
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. Orange book pg. 324
What is "summer"?
400
This occurs when the moon moves between the sun and the Earth, blocking some the the sun's light.
What is a "solar eclipse"?
400
During this process, the moon moves through the Earth's shadow, and cannot be seen for a short time. Orange book pg. 334
What is a "lunar eclipse"?
400
A body that revolves around a star. Orange book pg. 341
What is a "planet"?
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. Orange book pg. 324
What is the "equator"?
500
This is a pattern or group of stars named after a religious or mythical object or animal. Orange book pg. 339
What is a "constellation"?
500
The moon affects this part of the Earth, changing it daily on our beaches.
What is the "ocean tide"?
500
We have this special day every 4 years in February because it takes the Earth 365 and 1/4 days to revolve around the sun.
What is "Leap Year Day"?
500
This is gas, dust and a group of stars, including any objects orbiting the stars.
What is a "galaxy"?