Planet
Comet
Features
Rocky
Extra

100

What planet has the greatest temperature extremes?
What is Mercury?

100

A comet’s tail always points…
What is away from the sun?

100

Which planet’s axis of rotation lies nearly parallel with the plane of its orbit?
What is Uranus?

100

Most asteroids lie between the orbits of…
What is Mars and Jupiter?

100

What characteristic distinguishes Neptune from the other planets?
Neptune is extremely windy.

200

Which planet has a dense carbon dioxide atmosphere and high surface temperatures?
What is Venus?

200

What is the area directly behind the head of a comet called?
What is the coma?

200

Jupiter’s Great Red Spot is believed to be a…
What is a cyclonic storm?

200

The relatively small, rocky bodies generally found orbiting between Mars and Jupiter are know as…
What are asteroids?

200

Which of the following is proportionally more abundant on terrestrial planets than on Jovian planets: a) Hydrogen b) Silicate minerals c) Methane d) Ammonia ice
What is "B" Silicate minerals?

300

Which planet has a cratered surface similar to Earth’s moon?
What is Mercury?

300

Comets with short orbital periods are located in what region?
What is the Kuiper belt?

300

Which planet has a greater mass than the combined mass of all the remaining planets and their moons?
What is Jupiter?

300

The remains of extraterrestrial particles that are found on Earth’s surface are called what?
What are meteorites?

300

A cloud of dust and gas in space is called a(n)…
What is a Nebula?

400

Mons Olympus, a volcano the size of Ohio, is found on what planet?
What is Mars?

400

The glowing head of a comet is know as the…
What is the coma?

400

Name some characteristics of Jupiter (more than 1)?
What is huge rotating storms, thin ring systems, & dense atmosphere?

400

Most meteor showers are associated with the orbits of what?
What are comets?

400

The Jovian planets contain a large percentage of the gases…
What is Hydrogen and Helium?

500

Which planet, when viewed through a telescope, appears as a reddish ball interrupted by some permanent dark regions that change intensity?
What is Mars?

500

What are the two tails of a comet called?
What is the tail of ionized gas and tail of dust?

500

Which moon has a substantial atmosphere?
What is Titan?

500

Planets originally formed when bits of matter collided and clumped together to from…
What are Planetesmals?

500

Which of Jupiter’s moons is volcanically active?
What is Io?