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microbe


creatures too small to see with the naked eye

Bacteria are a type of microbe that can make you sick.

  microbe

orbits


circles around an object

The moon orbits the Earth. And the Earth orbits the sun.

  orbits

rover


robotic vehicle designed to move across the surface of a planet or moon

NASA sent the Curiosity rover to Mars in 2012 to explore the planet.

  rover

solar panel


device that turns sunlight into energy

Solar panels on the roof of your house can make electricity to power your home.

  solar panel

atmosphere


protective layer of gases that surrounds a planet or moon

Earth has an atmosphere made up of different gases.

  atmosphere
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