Grade 3 Solar System

Question 1

How long does it take the moon to go through its phases?

Accepted Answer

29 days

Question 2

About how many days after you see a full moon would you see that phase again?

Accepted Answer

29

Question 3

Why is the Earth the best planet for humans?

Accepted Answer

air, food, right amount of Sun, water

Question 4

When are shadows the longest?

Accepted Answer

sunrise and sunset

Question 5

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

Accepted Answer

24 hours

Question 6

What causes our seasons?

Accepted Answer

tilt of the Earth

Question 7

Why do we sometimes see the Moon during the day?

Accepted Answer

the moon reflects light from the Sun all the time

Question 8

What is the closest star to the Earth?

Accepted Answer

Sun

Question 9

If the Sun rises in the East which directions are shadows going to be pointing?

Accepted Answer

west

Question 10

What causes the USA and China to have night and day?

Accepted Answer

Earth's rotation

Question 11

Why is the Earth the best planet for humans?

Accepted Answer

gravity's pull, water, air, food

Question 12

What causes us to have four seasons?

Accepted Answer

Tilt of the Earth on it s axis

Question 13

Why do stars appear to move across the sky each night?

Accepted Answer

rotation

Question 14

What is another word for revolve?

Accepted Answer

orbit

Question 15

What does rotation mean?

Accepted Answer

to turn on an axis

Question 16

We used a light bulb as a model of the ___________________________.

Accepted Answer

Sun

Questions 16