Planets Review

Which is NOT a characteristic of an inner planet?

• Terrestrial Planet (rocky)
• Many moons
• No rings
• Smaller in size and mass

Which response puts the planets in order from the sun?

• Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
• Mercury, Earth, Venus, Mars, Jupiter, Saturn, Uranus, Neptune
• Mercury, Mars, Earth, Venus, Uranus, Neptune, Jupiter, Saturn
• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Why do some planets have well-developed atmospheres?

• They have a small mass.
• They have a large mass.
• They are rocky.
• They are made of gas.

How is Earth's atmosphere different than all other planets?

• It is the only planet to have an atmosphere.
• It is the only planet that has layers to its atmosphere.
• It is the only atmosphere that traps heat to allow for water and life.
• It is the only atmosphere that doesn't have toxic gases.

Which is NOT a characteristic of all outer planets?

• Jupiter, Saturn, Uranus, Neptune
• Furthest from sun
• Gas Giant
• Shorter orbits

What are the two factors that combine to keep the planets in orbit?

• Inertia & Magnetism
• Gravity & Atmospheric Pressure
• Inertia & Gravity
• Magnetism & Atmospheric Pressure