What are meteoroids, meteors, or meteorites made up of?
What is: a piece of rock broken off a comet or an asteroid.
100
A meteoroid that burns up in Earth's atmosphere is called a ______ .
What is: meteor
200
What is a comet made out of?
What is dirt, rock, and ice.
200
Most asteroids revolve around the Sun between the orbits of what planets?
What is Mars and Jupiter.
200
Where can a meteoroid be found?
What is floating in space, not in Earth's atmosphere.
200
After many trips around the Sun, most of the frozen ice in a comet's nucleus has _________ .
What is: vaporized
300
What part of the comet never faces the Sun?
What is the tail.
300
What is the name of the two places where asteroids live?
What is The Asteroid Belt. They can also be found anywhere in the Solar System.
300
Which of the three (meteoroid, meteor, meteorite) is also called a "shooting star"?
What is a meteor.
300
Name a telescope that has gathered information about comets.
What is: Hubble Space Telescope.
400
What is the shape of a comet's orbit?
What is elliptical.
400
How large is Ceres?
What is 940 km in diameter.
400
What is a meteorite?
What is: A meteorite is a meteoroid that survived passing through the atmosphere and it has hit Earth's surface.
400
What structure (mentioned in your book) do satellites orbiting Earth, and spacecrafts such as the International Cometary Explorer gather information about.
What is: comets
500
Name the four parts of a comet.
What are the nucleus, the coma, the broad dust tail, and the thin gas tail.
500
What materials could asteroids be made up of? There are six.
Also, what other planet is composed of these materials?
What is carbon, iron, nickel, ice, water, and carbon monoxide. These are the same materials that Earth is composed of.
500
Do all meteoroids hit the Earth?
Also, what type of feature might be formed on Earth if a large meteorite reached its surface?
What is: No, some meteoroids are so small they completely burn up in Earth's atmosphere, they are called "shooting stars".
What is: a crater
500
Why does a comet's tail form as it approaches the Sun?
What is: Heat causes ice in the comet's head to vaporize and glow; solar wind pushes it away from the Sun.