Vocabulary
The Moon Phases
Days and Nights
The Moon and Planets
The Sun
100

What does rotate mean?

When the earth or another object spins or turns


100
What does the moon look like when it is a full moon?


100

Why does day and night happen?

The earth rotates around its axis.

100

Who were the first people to walk on the moon?

Neil Armstrong and Buzz Aldrin

100

Is the sun a star? Give two examples why.

The sun is a star, it is made up of gas and gives off energy.

200

What does axis mean?

The imaginary line that goes through the center of the Earth from the North Pole to South Pole

200

What does the moon look like when it is a new moon?


200

When are shadows the shortest?

Noon

200

What is gravity like on the moon?

1/6 less than the earth's gravity

200

What season does the sun appear the highest?

The summer.

300

What does orbit mean?

The path of an object that circles or goes around another object
300

What does waning mean?

The size is becoming smaller or decreasing

300

When are shadows the longest?

early morning and early evening

300

What planet is closest to the earth?

Venus
300

Why does the sun appear higher in the sky during the summer.

During the summer the earth's axis is tilted toward the sun.

400

What is Sirius?

The star that shines the brightest in the night sky.

400

What does waxing mean?

The size is growing or becoming bigger.

400

What is the equinox and when does it happen?

These are the days when the Sun is exactly above the Equator, which makes day and night of equal length. The equinoxes happen around March 21st and September 21st.

400

Why does the moon have different phases?

Because the Moon orbits Earth and Earth orbits the Sun. 

400

Why does the sun appear lower in the sky in the winter?

During the winter the earth's axis is tilted away from the sun.

500

What does circumpolar mean?

When an object moves around the polar star, polaris.
500

What are these moon phases called.


waxing gibbous and 

500

What is the solstice and when does it happen?

These are the days when the Sun’s path in the sky is the farthest north or south from the Equator. The winter solstice is the shortest day of the year and the summer solstice is the longest. The two solstices happen around June 21st and December 21st.

500

If you are trying to land safely on the moon what will you need to know or think about?

Possible Answers:

- The moon has less gravity than the earth

- You will need parachutes to land safely

- You need calculations to be perfect


500

How far away is the sun from earth?

93 Million Miles