Rocks in Space

What are asteroids made of?

• Wood and paper

• Plastic and rubber

• Ice and snow

• Rock, metal, and other elements

Which subtopic of rocks in space is known as 'dirty snowballs'?

• Comets

• Galaxies

• Meteoroids

• Asteroids

What is the main difference between asteroids and comets?

• Asteroids and comets are the same thing.

• Asteroids are made of ice, dust, and rocky material, while comets are made of metals.

• Asteroids are made of metals and rocky material, while comets are made of ice, dust, and rocky material.

• Asteroids and comets are both made of ice and dust.

What is the largest known asteroid in our solar system?

• Ceres

• Mars

• Jupiter

• Vesta

What is the Kuiper Belt?

• A type of asteroid made of solid gold

• A region of the solar system beyond the orbit of Neptune, containing many small icy bodies

• A belt worn by astronauts to protect them from radiation

• A group of planets in the outer solar system

What is the Oort Cloud?

• A belt of asteroids between Mars and Jupiter

• A region of intense radiation around the Earth

• A cluster of gas giants in the outer solar system

• A theoretical cloud of predominantly icy planetesimals

What causes the tail of a comet to form as it approaches the sun?

• The tail forms due to the comet's magnetic field interacting with the sun

• The vaporization of ice and other volatile substances within the comet as it approaches the sun

• The tail is a result of the comet colliding with other space debris

• The tail is caused by the gravitational pull of the sun

What is the difference between a meteoroid, meteor, and meteorite?

• A meteoroid becomes a meteorite when it enters Earth's atmosphere

• A meteoroid becomes a meteor when it enters Earth's atmosphere, and if it lands on Earth, it is called a meteorite.

• A meteorite becomes a meteoroid when it enters Earth's atmosphere

• A meteorite becomes a meteor when it enters Earth's atmosphere

What is the name of the spacecraft that landed on the surface of a comet in 2014?

• Apollo

• Philae

• Voyager

• Galileo

What are the potential dangers of asteroids and comets to Earth?

• Alien invasion

• Increased oxygen levels

• Global cooling

• Impact events causing destruction, tsunamis, and climate change