Planets
Which two planets are beside Earth?
Mars and Venus
A piece of rock that reaches Earth’s surface is called what
meteorite
The Earth orbits the Sun every…?
365 days
Define: Asteroid
small rocky object orbiting the Sun
A planet made of rock is called a ______ planet.
terrestrial planet
Which planet is not a terrestrial planet?
What is Jupiter
Halley is the name of which space object
comet
Which of the following emits light
stars
Define: Galaxy
a huge collection of stars, dust, and gas
A planet made of gas is called a ______ planet.
gas giant
Which planet is closest to the Sun?
Mercury
A large collection of billions of stars is called what?
galaxy
What do astronauts need to survive in space?
a spacesuit / oxygen / food / water / shelter
Define: Solar System
the Sun and all the objects that orbit it
Name one benefit of space exploration.
Technology, satellites, scientific discovery, etc
Which planet would you weigh the most on?
Jupiter
What is the Asteroid Belt and where is it located
region of rocky objects between Mars and Jupiter
Why do we have night and day?
Earth’s rotation
What is a comet made of?
ice, dust, and rock
Name one drawback of space exploration.
Cost, danger, space debris, etc.
Which planet is not a gas planet?
Mercury
A small rocky object orbiting the Sun is called what?
an asteroid
Why do we have seasons?
Earth’s tilt and revolution around the Sun
What is a meteor?
a piece of rock burning up in Earth’s atmosphere
Why is the Earth habitable for humans?
Correct temperature, atmosphere, water, oxygen, etc.