Vocabulary
Shadows
Sun and Moon
Rotation and Revolution
Gravity
100

What does apparent brightness mean?

how bright an object appears in the sky

100

Why does a shadow's length changed?

its length changes based on the time of day

100

What is the sunset?

the time in the evening where the sunlight starts to fade

100

What is a synonym for revolution?

Orbit

100

What is gravity?

A force that pulls us toward the center of Earth

200

What is a constellation?

a group of stars forming a recognizable pattern that is named

200

When are our shadows the shortest?

Around noon

200

The Sun is an example of a _____-

Star

200

How long does it take for Earth to complete one rotation on its axis?

24 hours or 1 day

200

What happened to Felix?

He was pulled back toward the center of Earth.

300

What is the horizon?

where the sky seems to meet the Earth’s surface

300

If the sun is to the East, our shadows will appear to the ______

West

300

What is the sunrise?

the time in the morning when the sun appears

300

How long does it take for the Earth to complete an orbit around the sun?

365.25 days or 1 year

300

What direction did Felix land?

He landed the same direction he jumped from. 

400

What does illuminate mean?

light something up

400

What is the sun's angle?

the angle between Earth’s surface and the Sun’s rays

400

What are some things we learned about the sun and its apparent brightness?

The sun appears larger and brighter than other stars because it is closer to the Earth.

400

What causes us to experience both day and night?

Earth’s rotation causes us to experience both day and night.

400

Why do we have gravity?

To keep us from floating
500

What does orbit mean?

the curved path of a celestial object or spacecraft around a star, planet, or moon

500

Why do we see the moon differently throughout the month?

Because the moon orbits the Earth

500

Why do seasonal constellations occur?

Seasonal constellations occur because of the Earth’s orbit around the sun.