rotation
lunar eclipse
general
solar eclipse
revolution
100

The imaginary line that passes through the North and South Poles.

the axis of rotation

100

The object that comes between the Sun and Earth during a solar eclipse.

The Moon

100

The time Earth takes to complete one revolution around the Sun.(if not leap year)

About 365 days

200

The direction Earth rotates when viewed from above the North Pole.

Anti‑clockwise (West to East)

200

The object that blocks sunlight from reaching the Moon.

Earth

200

The motion of an object around another object.

Revolution

200

The eclipse where the Moon completely blocks the Sun.

Total solar eclipse

200

The path Earth follows around the Sun.

Orbit

300

The cycle caused by Earth’s rotation.

Day and night

300

The eclipse where only part of the Moon is in Earth’s shadow.

Partial lunar eclipse

300

The reason the Sun appears to rise in the East and set in the West.

Earth’s rotation

300

The reason the Moon can cover the Sun even though it’s smaller.

Their apparent sizes are similar

300

The reason the stars seen at night change over the year.

Earth’s revolution

400

The star that appears nearly stationary in the night sky.

The Pole Star

400

The rare event where Venus appears as a tiny dot crossing the Sun.

Transit of Venus

400

The reason seasons occur on Earth.

Earth’s tilted axis. (half mark if answer is only revolution)

500

what is the reason the Sun, Moon, and stars all appear to move across the sky even though they are not actually moving that way.

Because we observe them from a rotating Earth.

500

This is the reason a total solar eclipse is visible only from a very small region on Earth.

Because the Moon’s umbra (its darkest shadow) is very narrow when it reaches Earth.

500

This is the reason the North Pole experiences six months of daylight followed by six months of darkness.

Because Earth’s tilted axis keeps the North Pole pointed toward the Sun for half the orbit and away from it for the other half.