Show:
Earth
Sun
Moon
This and That
Vocabulary
100

This causes the Earth's seasons.

What is the tilt of the Earth or the Earth's axis?

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 is when an object moves completely around another object in a circle.

What is "orbit or revolution"?

100
This word describes the Earth spinning continuously.
What is "rotating"?
200
The shape of the Earth
What is a "sphere"?
200

True or false: the Sun orbits the Earth

False

200
Solar refers to the sun. This term refers to the moon.
What is "lunar"?
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's rays give off this type of energy.

What is the "solar energy"?

300
During this phase of the moon, we can see no light from the moon.
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 (the northern hemisphere), it is this in Australia (the southern hemisphere).

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.
What is a "lunar eclipse"?
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 that shows where the Earth tilts and rotates.

What is the "axis"?

500
This is how the sun's rays strike the Earth in the summer.
What is "directly"?
500

True or false: moonlight comes from within the Moon

False! The Sun illuminates the Moon

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

True or false: the world does not revolve around you!

True...the world revolves around the sun. But you are pretty great, too!