Asteroids, comets, and meteors TEST

What primarily makes up the composition of most asteroids in the asteroid belt?

• Ice and gas

• Rock and metal

• Liquid water

• Hydrogen and helium

What causes a comet to develop a tail?

• Its speed through the solar system

• Collisions with other comets

• The gravitational pull of nearby planets

• Sun's radiation heating the comet and causing sublimation of materials

What is the difference between a meteor and a meteorite?

• A meteor is a shooting star, while a meteorite is a comet.

• A meteor is in space, while a meteorite has landed on Earth's surface.

• A meteor is made of ice, while a meteorite is made of rock.

• There is no difference; they are interchangeable terms.

Asteroids are always very small?

_{hint: you watched a video about them}

• True

• False

• They can be large or small

• They don't exist

What characteristic is most common in the orbits of comets?

• Perfectly circular orbits

• Highly elliptical orbits

• Fixed orbits within the asteroid belt

• Random, unpredictable orbits

Another name for a meteor is?

• Micro planets

• Shooting star

• The explosion of stars

• Meteorite

Between what two planets are there the most asteroids?

• The Sun and Mercury

• Earth and the sun

• Mars and Jupiter

• Jupiter and Saturn

How are impact craters formed?

_{hint: Meteor Crater in Az. where I'll be in May}

• Through volcanic activity on a planet's surface

• When a planet's magnetic field collapses

• When a meteorite strikes the surface of a planet or moon

• Through the gradual erosion of a planet's surface by wind and water

Where are most asteroids found in space?

• Asteroids are made of ice and comets are made of rock.

• Asteroids orbit the Sun, while comets orbit the Earth.

• Asteroids are found in the asteroid belt.

• There is no significant difference; they are the same.

What are comets made of?

• Comet are made of dust and ice and rock.

• One tail is the actual tail, and the other is a shadow.

• Comets are made of gases.

• Comets do not have two tails .