Earth’s Rotation
Moon Phases
Shadows & the Sun
Patterns in the Sky
Earth, Moon, & Sun Models
100

What causes day and night on Earth?
 

What is Earth’s rotation?

100

What do we call the changing shapes of the lit part of the moon we see from Earth?

What are moon phases?

100

Shadows are longest at this time of day.

What is morning or late afternoon?

100

This object causes phases, tides, and eclipses.

What is the moon?

100

In a model, a flashlight usually represents the ____.

 What is the Sun?

200

The sun rises in the ___ and sets in the _____

What is west to east?

200

A moon phase where the lit side is completely dark.

What is the new moon?

200

At solar noon, shadows are usually _____.

What is short?

200

The Sun appears to move across the sky in a pattern that repeats when?

What is every day?

200

In a demonstration of rotation, spinning a ball shows what?

What is day and night?

300

One full rotation of Earth takes how long?

What is 24 hours?

300

What phase is it when the moon looks fully lit?

What is the full moon?

300

As the Sun appears higher in the sky, shadows get ______.

What is shorter?

300

The moon’s phases follow a pattern that repeats about every ____ days.

A: What is 28–30 days?

300

Moving a ball in a circle around another ball models what?

What is revolution?

400

The Sun appears to rise in the east because Earth is doing what?

What is rotating toward the Sun?

400

What phase comes right after the first quarter?

What is the waxing gibbous?

400

This causes shadows to move from west to east throughout the day.

A: What is Earth’s rotation?

400

A constellation appears to move across the sky because of this.

What is Earth’s rotation?

400

Using a lamp and a ball helps students explore this natural event.

 What is moon phases?

500

This effect of Earth's rotation makes shadows change throughout the day.
 

 What is the Sun’s apparent movement in the sky?

500

Why do we see different moon phases?

What is the moon’s revolution around Earth?

500

What happens to a shadow when the Sun is lower on the horizon?

What is it becomes longer?

500

Seasons change because Earth has a tilt and does what?

 What is revolves around the Sun?

500

 A model showing long shadows means the Sun is at what angle?

 What is a low angle?