Moon and Earth Mysteries
Earth's Motion
Seasons
Predictable Patterns
Fun Moon Facts
100

This celestial body is Earth's natural satellite and goes through different phases.

What is the Moon?

100

This term describes Earth moving around the Sun.

What is revolution?

100

This season occurs when Earth's hemisphere is tilted toward the Sun.

What is summer?

100

This cycle repeats approximately every 30 days.

What is the lunar cycle?

100

The Moon does not create its own light but instead does this.

What is reflect sunlight?

200

This phase occurs when we see the entire lit side of the Moon.

What is a full moon?

200

The amount of time it takes for Earth to complete one revolution.

What is 365 days or one year?

200

The season with the shortest daylight hours.

What is winter?

200

The Sun appears to rise in this direction each morning.

What is the east?

200

This is the only place humans have visited beyond Earth.

What is the Moon?

300

The Moon appears to change shape because of this process, which lasts about 30 days.

What is the lunar cycle?

300

Earth is tilted on this imaginary line that runs through the North and South Poles.

What is the axis?

300

The two seasons where daylight and nighttime hours are nearly equal.

What are spring and fall (or autumn)?

300

The reason the Moon and Sun seem to move across the sky each day.

What is Earth's rotation?

300

The Moon’s surface is covered in these bowl-shaped features from space rock impacts.

What are craters?

400

This phase of the Moon happens when we can see only half of the lit side.

What is a first quarter or third quarter moon?

400

The daily movement of Earth that causes day and night.

What is rotation?

400

The key reason why different parts of Earth experience different seasons.

What is Earth's tilt?

400

The approximate time it takes for the Moon to complete all its phases.

What is one month?

400

The Moon’s gravitational pull is responsible for these movements of ocean water.

What are tides?

500

This is the reason why Earth has seasons, as it moves around the Sun.

What is Earth's tilt on its axis?

500

The reason why the Moon appears to change shape in the sky.

What is the reflection of sunlight as the Moon orbits Earth?

500

The longest day of the year, occurring in June in the Northern Hemisphere.

What is the summer solstice?

500

If you saw a full moon on September 28 when would you see a new moon?

About 2 weeks later (14 days) ; October 12

500

The first person to walk on the Moon in 1969.

Who is Neil Armstrong?