SPACE ROCKS

Which statement is true?

• Only asteroids collide with Earth.

• Comets are ball of ice, dust, and metal.

• All comets in our solar system have tails.

• Only asteroids can be found in the solar system.

What do you call the fragments or debris that resulted from the collision of asteroids or comets?

• Meteors

• Meteoroids

• Oort Cloud

• Kuiper Belt

What is the bright glow around the “head” of a comet?

• Coma

• Crown

• Halo

• Ring

What is the name of the famous comet that can be seen from Earth every 75 to 76 years?

• Hale Boop

• Comet Halley

• Comet Tempel 1

• Shoemaker Levy-9

What is the correct term for a “shooting star”?

• Asteroid

• Comet

• Falling star

• Meteor

What is an Asteroid Belt?

• It has rocks crossing the Sun, Mars, and Jupiter.

• It has rocks crossing the Sun, Jupiter, and Uranus.

• It is an area between Mars and Jupiter where most asteroids are found.

• It has rocks between the Earth and Jupiter where most asteroids are found.

What is a meteorite? It is a _____.

• dim meteor

• bright meteor

• meteoroid that lights up

• remains of meteoroids that hit the Earth

What is a comet? It is a/an _____.

• rock from Mars

• class of smaller inner solar system bodies that orbit around the sun

• icy ball of rock that displays a coma, a fuzzy temporary atmosphere, or a tail when it travels close to the sun

• natural object from small to huge that originates in space and survives the impact on the Earth’s surface

What composes silicate?

• silicon, oxygen, and at least one metal

• silicon, carbon, and at least one metal

• silicon, methane and a rock

• iron, nickel, and argon

Why do scientists study comets?

• They are valuable minerals.

• They could provide Earth with rocks.

• They can help make the Earth a habitable planet.

• They provide information how the Earth obtained liquid water.