Solar system
How many planets are in our Solar System?
8
What causes day and night?
Earth's rotation
What is a full moon?
When the Moon looks like a full bright circle
What are the two types of eclipses?
Solar and lunar
What is the universe?
Everything that exists in space
What planet is closest to the Sun?
Mercury
What is the spinning of Earth called?
Rotation
What do we call the different shapes of the Moon that we see?
Moon phases
What happens during a solar eclipse?
The Moon moves between Earth and the Sun
What is a galaxy?
A large group of stars and other matter
What is the name of the path a planet follows around the Sun?
Orbit
How long does Earth take to complete one full rotation?
24 hours
Why can we see the Moon?
It reflects light from the Sun
What happens during a lunar eclipse?
Earth moves between the Sun and Moon
What theory explains how the universe began?
Big Bang Theory
Where is the asteroid belt located?
Between Mars and Jupiter
Why is it daytime on one side of Earth but nighttime on the other side?
One side faces the Sun while the other faces away
What is a new moon?
When the Moon is very dark/hard to see
Why can the Moon look red during a lunar eclipse?
Earth's atmosphere bends sunlight
What were some of the first things that spread out after the Big Bang?
Tiny particles
What force keeps the planets in orbit around the Sun?
Gravity
Why are daylight hours different in summer and winter?
Because Earth's axis is tilted
Does the Moon really change shape? Explain your answer.
No. We see different amounts of its lit side
Explain the difference between a solar eclipse and a lunar eclipse.
Solar: Moon between Earth and Sun. Lunar: Earth between Sun and Moon
Put these in order from smallest to largest: atom, solar system, galaxy, universe.
Atom → Solar System → Galaxy → Universe