This is how many days it takes the moon to go through one full cycle.

This is the fifth planet from the Sun.

This is one clue we have that the Earth is moving.

This time of day will have the shortest shadow.

The stars appear to move across the sky because _____.

In this phase of the moon, you can only see a little sliver on the right hand side.

This is the eighth planet from the Sun.

This causes the seasons on Earth to change.

This season will have the shortest shadow.

This is why we see different constellations in the night sky during different times of the year.

In this phase of the moon, you can see most of the moon on the left hand side.

The Earth rotates around an imaginary line called its axis. This is the direction the Earth rotates on its axis.

This determines how long a day is.

These times of day have the longest shadows.

This is the definition of a constellation.

In this phase of the moon, you can see most of the moon on the right hand side.

This is the sixth planet from the Sun.

This determines how long a year is.

True or False: Almost everything casts a shadow.

True or False: We see the same constellations in the sky every night.

In this phase of the moon, you can't see any of it at all, except maybe a faint outline.

This is the second planet from the Sun.

This is the reason why day turns into night on Earth.

True or False: When the Sun is lower in the sky, I have a shorter shadow.

True or False: The constellations in the night sky are moving across the sky.