Celestial Wonders: Exploring Our Solar System

What are comets mostly made of?

• Rock and metal

• Ice, dust, and organic compounds

• Pure ice

• Liquid water

What is the main difference between a meteoroid and a meteor?

• A meteoroid is a shooting star, while a meteor is a rock in space.

• A meteoroid becomes a meteor when it enters the Earth's atmosphere.

• A meteoroid is larger than a meteor.

• A meteor can become a meteoroid if it exits the Earth's atmosphere.

What can happen when a meteorite impacts Earth?

• It can create a crater.

• It can burn up in the atmosphere.

• It can become a star.

• It can turn into a comet.

What is the tail of a comet made of?

• Rocks and metal

• Fire and lava

• Gas and dust

• Ice and snow

When does a meteoroid become a meteorite?

• When it is found in space.

• When it enters the Earth's atmosphere.

• When it lands on the Earth's surface.

• When it is observed in the night sky.

What are meteorites primarily composed of?

• Liquid water

• Ice and gas

• Rock and metal

• Plasma

Why do comets develop a tail?

• They are melting.

• They are being pulled by the gravity of planets.

• The Sun's heat causes gas and dust to be released.

• They are breaking apart.

What causes the glow of a meteor as it passes through the Earth's atmosphere?

• The meteor's glow is caused by the reflection of the Sun's light.

• The glow is caused by the meteor's own light.

• The glow is caused by the friction between the meteor and the Earth's atmosphere.

• The glow is caused by the Earth's magnetic field.

What is the term for a small piece of a comet or asteroid that is in space?

• Meteor

• Meteorite

• Meteoroid

• Comet

The sun is a glowing ball of _______.

• water
• liquid
• gases
• rocks