Earth
What do we call the imaginary line going through the earth?
True or False: Our sun is the only star in our galaxy.
False
True or False: Earth actually has 2 moons; we just can't see the other one.
False
What planet is closest to the sun?
Mercury
Is Venus an inner planet or an outer planet?
Inner planet
The earth is NOT straight up and down as it spins. The Earth has a t________.
Tilt
What is a star made of?
Very hot gases like hydrogen and helium.
True or False: The Moon has no effect on Earth at all!
False - The Moon's gravity pulls the oceans to make tides.
If Mercury is closest to The Sun, why then is Venus the hottest planet?
Because Venus has an atmosphere that has an extreme greenhouse effect (traps the heat).
What is the eighth planet from the sun?
Neptune
What do we call the path that the earth takes around the sun?
Orbit
True or false: Our sun is one of the biggest stars in the galaxy.
False
What is the moon made out of?
Rock - similar to what Earth is made of.
What is the largest planet in our solar system?
Jupiter
Put the planets in order from closest to the sun to farthest from the sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Why does Earth have day and night?
Because Earth rotates on its axis, half the Earth gets sun (day) and the other half is in shadow (night).
What is the nearest VISIBLE star to our Solar System?
Alpha Centauri A (and B)
How long does it take the moon to orbit around the earth?
About one month
How are the outer planets different from the inner planets?
They are gas giants (not rocky) and much larger. They are very cold with many moons.
Is Uranus an inner planet or an outer planet?
Outer Planet
How many days does it take the earth to orbit around the sun?
365 Days (365.242 days)
True or False: Our sun moves across the sky?
False: It APPEARS to move across the sky - it is actually the Earth that is moving (spinning).
If the Moon is NOT a light source, why can we see it?
Because it reflects the light from the Sun.
What separates the inner planets from the outer planets and which two planets is it between?
The Asteroid Belt (between Mars and Jupiter).
What are two ways the OLD Solar System model is different to our model of the Solar System today?
1. Earth was at the center
2. Neptune and Uranus were missing