Sun
Gravity
Rotation and Revolution
Day and Night
Moon
100

True or False. The Sun is actually the biggest star because other stars have smaller diameters. 

False. 

100

True or false. Gravity is a pushing force. 

False. Gravity is a pulling force. 

100

What is a synonym for Rotation? 

Spinning

100

What movement of Earth causes day and night?

Rotation
100

How much of the Moon is lit by the Sun? 

Half

200

Are there other Stars bigger and brighter than our Sun in the Milky Way? Yes or no. 

Yes. 

200

True or false. Gravity pulls objects straight down to the ground and up is towards the north pole. 

False. Gravity pulls objects to the center of Earth and up is always the opposite. 

200

What is a synonym for Revolving? 

Orbiting

200

How much of the Earth is lit up by the Sun?

Half

200
Describe a waxing crescent. 
Getting larger; less than half is lit up on the right side. 
300

Why does the Sun appear to move across the sky? 

Earth is rotating

300

True or False. People are only located on the top of the Earth. 

False. People are located all around Earth's sphere shape. 

300

What movement of Earth causes shadows?

Rotation

300

How long does it take Earth to make 1 Rotation on its axis?

24 hours/1 Day

300

When the moon is in between the Earth and the Sun what do we see from Earth? 

A new moon. 

400

How do we measure how far away objects are from the Sun in space?

Light years

400

What shape is the Earth AND draw a picture of where people are located on Earth. 

Sphere

400

How long does it take the moon to orbit the Earth? 

about 1 month

400

Why do shadows change direction and length over the course of the day?

As Earth is spinning, the Sun is moving East to West. When the Sun is lowest in the sky, the shadows are longest and when it is high in the sky it is short. Shadows point in opposite direction of the Sun. 
400

How many major moon phases are there?

8

500

What is apparent brightness?  

Apparent Brightness is how bright or dim an object looks based on perspective

500

Which object has more gravitational pull: a bowling ball or a tennis ball?

bowling balls have more mass 

500
What is the cause for a leap year?

The Earth takes 365 1/4 days to revolve around the Sun so the 1/4 days add up to an extra day every 4 years. 

500

Why do we have nighttime if the Sun is always shining? 

The Earth is only half lit at all times, and rotating on its axis so when it rotates into the darker half it is nighttime. 

500

What is the reflecting off the Sun to illuminate the moon so we can see it called? 

Moonlight