What two elements can be found in the atmosphere? What is retrograde rotation? Why is a day on Venus longer than a year on Venus? If you were standing on Venus, why would the Sun appear to rise in the west and set in the east? Why is Venus the hottest planet in our solar system?
What elements make up our atmosphere? What two things does our atmosphere protect us from? What is the rotational tilt of the Earth? What produces the magnetic field on earth? What is the satellite of the Earth?
What evidence do scientists have to life on Mars? What is the primary element of the atmosphere? Why does the planet appear to be red? What is Olympus Mons? What are the two satellites of Mars?
How is the shape of Jupiter affected by the planets rotation? What elements make up Jupiter’s atmosphere? What is the Giant Red Spot? How many know natural satellites does Jupiter have? What is interesting about Jupiter’s satellite Io?
What elements make up Saturn’s atmosphere? What may have caused Saturn to have rings? What is the composition of the rings? Why could Saturn float in water? How long do the seasons last on Saturn
What is different about Uranus’s rotation? What elements make up Uranus’s atmosphere? How many known satellites does Uranus have
What elements make up Neptune’s atmosphere? How many known satellites does Uranus [Neptune?] have? What is Triton? Explain how astronomers believe Triton became a satellite.
What are the names of Pluto’s three moons? What have scientists learned about Pluto by using a spectroscope? What is so unusual about Pluto’s moon Charon?
How long is one revolution? Why was Ceres once considered an asteroid? What can be found on Ceres’ surface?
What was Eris’ original name? How long does it take Eris to orbit the sun? What is the name of Eris’ moon? Why is Eris not considered to be a planet?
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