Science test review

A small rocky object that orbits the sun in the belt located between Mars and Jupiter.

• astroid

• meteoroid

• moon

• comet

the primary source of heat and energy for the entire solar system

• sun

• moon

• comet

• asteroid

a natural satellite

• sun

• moon

• comet

• asteroid

a layer of gas that surround the Earth

• atmosphere

• meteoroid

• astroid

• moon

A small body of ice, rock, and cosmic dust that orbits the sun

• comet

• asteroid

• sun

• meteoroid

little chunks or rock debris in space

• meteroid

• astroid

• moon

• comet

The inner planets are smaller, ______ and ________ than the outer planets.

• less dense, more gaseous

• more dense, rockier

• less dense, rockier

• more dense, more gaseous

An uncrewed vehicle that carries scientific instruments into space

• space probe

• space shuttle

• space station

• rocket

A long-term orbiting platform where scientists can work in space

• space station

• space shuttle

• space probe

• telescope

Any human-made object placed in orbit arounda body of space

• artificial satellite

• space shuttle

• space probe

• telescope