Vocabulary
Shadows
Day/Night
Patterns
100

An imaginary line that Earth rotates around

Axis

100

If the shadow is in the West, where is the sun?

East

100

Does everyone experience night at the same time?

No

100

How long does it take to complete a full rotation?

24 hours

200

The northernmost point on Earth as determined by the planet's rotation

North Pole

200

How does shadow length change during the day?

Shadows start out long and get shorter until about midday, then gets longer again

200

Which season has a pattern of longer days?

Summer

200

Which way does the Earth turn?

Counterclockwise

300

The southernmost point on Earth, as determined by the planet's rotation

South Pole

300

Which outline on the student's recorded observations represents where the shadow was at 10:00 in the morning?

B

300

Which season has a pattern of shorter days?

Winter
300

How long does it take the Earth to make one orbit?

365.25 days
400

Making a complete spin on an axis

Rotation

400

Which point on the diagram represents where the shadow can be predicted to fall at 3 PM?

C

400

What is the name for the days with almost even daylight and nighttime?

Autumnal Equinox and Spring Equinox

400

If the Earth started rotating faster, what would happen to the length of each day on Earth?

It would take less time to make one rotation.

500

The path one object takes as it revolves around another object in space

Orbit

500

When do we have night?

We have night when our side of the Earth is in Earth's shadow

500

Describe how the amount of daylight hours change throughout the year.

Winter has the shortest day of the year. Daylight then increases through spring until we have the longest day of the year in summer. From there, it slowly decreases through fall until we get to the shortest day of the year again in winter.

500

Why is there a difference in the length of daylight throughout the year?

Our tilted axis