EARTH & THE MOON
What is the movement of Earth spinning on its axis called?
Rotation
What phase is completely dark?
New Moon
What inner planet is closest to the sun?
Mercury
What is the largest planet?
Jupiter
What is the sun?
A star
How long does one rotation of Earth take?
24 hours
What phase is fully lit?
Full Moon
Which inner planet is Earth’s “twin”?
Venus
Which outer planet has the most famous rings?
Saturn
What energy does the sun give Earth?
Heat and light
What causes day and night?
Earth’s rotation
What do we call when the lit part is getting bigger?
Waxing
What planet is known as the Red Planet?
Mars
Which planet rotates on its side?
Uranus
What force keeps planets orbiting the sun?
Gravity
What is it called when Earth moves around the sun?
Revolution
What do we call when the lit part is getting smaller?
Waning
What are inner planets mostly made of?
Rock / solid surface
What are outer planets mostly made of?
Gas (and ice)
Why does the sun look bigger than other stars?
It is closer to Earth
How long does one revolution of Earth take?
365 days / 1 year
What causes the moon phases?
The moon’s revolution around Earth
Name all four inner planets.
Mercury, Venus, Earth, Mars
Name the four outer planets.
Jupiter, Saturn, Uranus, Neptune
The sun is the center of the ______.
Solar system