The Earth & Moon
What causes day and night on Earth and takes 24 hours to complete?
A rotation
What force between Earth and the moon combined with Earth’s motion in space mainly causes tides?
Gravity
What separates the inner planets and outer planets?
Asteroid belt
What is the name of the farthest planet from the sun?
Neptune
What is the closest star to Earth?
The sun
What causes the seasons on Earth and takes 365 days to complete?
A revolution
What type of tide makes the highest tides and occurs when the moon, Earth, and sun are positioned in a straight line?
Spring tides
Which planet can support life?
Earth
What used to be the ninth planet and was farthest from the sun?
Pluto
What are the outer planets mostly made of?
Gases
What is the term for when we appear to see more and more of the illuminated side of the moon?
Waxing
What type of tide makes the lowest tides and occurs when the moon, Earth, and sun form a right angle?
Neap tides
What is the smallest planet of the inner planets?
Mercury
Which planet is a gas giant and the biggest planet?
Jupiter
What are the inner planets mostly made of?
Rock
How long does it take the moon to make one revolution around Earth?
29.5 days
What occurs when Earth passes through the new moon’s shadow and the moon appears to cover the sun?
solar eclipse
Which inner planet has the most moons?
Mars
Which planet has icy rings?
Saturn
What holds the entire solar system together?
gravitational attraction
What two factors keep Earth orbiting around the sun?
gravity & inertia
What occurs when the Earth passes between the sun and moon and the full moon is covered by the Earth’s shadow?
lunar eclipse
Which of the inner planets has a day that lasts longer than a year?
Venus
Which planet has the most moons with 274?
Saturn
About how long does it take the sun’s light to reach Earth?
8 minutes