Moon Phases & Eclipses
What phase is when the Moon looks fully lit from Earth?
Full Moon
Who proposed the heliocentric model?
Copernicus
Name one inner planet.
Mercury, Venus, Earth, Mars
Who discovered gravity?
Isaac Newton
Where is the asteroid belt located?
Between Mars and Jupiter
Which phase comes right before a Full Moon?
Waxing Gibbous
What does heliocentric mean?
Sun-centered universe
Name one outer planet.
Jupiter, Saturn, Uranus, Neptune
What force keeps planets in orbit around the Sun?
Gravity
What do we call a meteoroid that enters Earth’s atmosphere and burns up?
Meteor/shooting star
What is the phase after a New Moon?
Waxing Crescent
Which ancient scientist believed in the geocentric model?
Ptolemy
What are the inner planets mostly made of
Rock
What keeps a planet moving in a straight line if not for gravity?
Inertia
What do we call a meteor that hits Earth’s surface?
Meteorite
How many days does it take the Moon to go through all 8 phases?
29.5 days
Which model is supported by modern science?
Heliocentric
Which planet is the largest outer planet?
Jupiter
Why doesn’t Earth crash into the Sun?
Inertia + gravity balance
Which is larger?
asteroid or meteoroid?
Asteroid
Which phase occurs when the Moon is between Earth and the Sun?
New Moon
Why did geocentric seem correct to early observers?
Because stars and Sun appear to move around Earth
Which outer planet rotates on its side?
Uranus
What two things affect the strength of gravity?
Mass and distance
What causes craters on the Moon?
Meteorite impacts