Phases of the Moon
Earth's Movements
The Sun
Seasons
Tides
100
What is the moon phase when none of the moon is visible from Earth?
What is the new moon?
100
What is the name of the movement Earth makes that causes day and night?
What is rotation?
100
What is the main role of the sun in our solar system?
What is providing light and heat?
100
What causes the seasons on Earth?
What is Earth’s tilt on its axis?
100
What causes ocean tides?
What is the gravitational pull of the moon?
200
What is the phase called when the entire face of the moon is lit and visible from Earth?
What is the full moon?
200
How long does it take for the Earth to make one full rotation on its axis?
What is 24 hours?
200
What type of star is the sun?
What is a yellow dwarf?
200
During which season is the Earth tilted toward the sun?
What is summer?
200
How many high tides usually occur in a 24-hour period?
What are two high tides?
300
What moon phase occurs when half of the moon is visible, just after the new moon? 
What is the first quarter moon?
300
What is the name of the movement Earth makes as it travels around the sun?
What is revolution?
300
How many times larger is the sun compared to Earth’s diameter?
What is about 110 times?
300
What is the season called when Earth is tilted away from the sun, receiving less direct sunlight?
What is winter?
300
What phase of the moon causes the highest tides?
What is the full moon or new moon?
400
What is the term for the moon phase when it is between a full moon and a new moon, but we see only half of it?
What is the last (third) quarter moon?
400
How long does it take the Earth to complete one revolution around the sun?
What is 365 days or one year?
400
How old is the sun?
What is 4.6 billion years old?
400
Which two seasons are caused by the Earth’s position between the extremes of being tilted toward and away from the sun?
What are spring and fall?
400
What are the lowest tides called, which occur when the moon and sun are at right angles to each other?
What are neap tides?
500
Which two moon phases create the highest ocean tides?
What are the new moon and full moon?
500
What is the term for the path Earth takes as it revolves around the sun?
What is an orbit?
500
What protects Earth from the sun’s harmful rays?
What is Earth’s atmosphere?
500
What effect does direct sunlight have on the Earth's surface?
What is warmer temperatures?
500
What is the term for the highest tides, which occur when the Earth, moon, and sun are aligned?
What are spring tides?