5th - Science Unit 8 Lesson 3 revised Flashcards
What is a star and the objects that orbit it?
Solar System
What is a large object that orbits a star and does not produce its own light?
Planet
What is a large object that orbits the Sun and is closer to the Sun than the asteroid belt?
Inner Planet
What is a large object that orbits the Sun and is beyond the asteroid belt?
Outer Planet
What is a mixture of ice, frozen gases, rock, and dust left over from the formation of the solar system?
Comet
What is one so many small, rocky objects between Mars and Jupiter?
Asteroid
What is a chuck of rock from space that travel through Earth’s atmosphere?
Meteor
What is a natural object that orbits a planet?
Moon
What is the order of the planets beginning with the Sun?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
Name the inner planets.
Mercury, Venus, Earth, and Mars
Name the outer planets.
Jupiter, Saturn, Uranus, and Neptune
What is Earth’s natural satellite?
The moon
What are the outer planets made of?
They are made mostly of gas.
What are the inner planets made of?
They all have surfaces made of rock.
Which is the smallest planet?
Mercury