Earth Science 1.0
Earth Science 2.0
Earth Science 3.0
Space Science 1.0
Space Science 2.0
100

 The gas state of water is called

water vapor

100

 The loose top layer of Earth’s surface made of weathered rock and organic matter is known as

soil

100

A naturally occurring inorganic solid with a distinct chemical composition and crystalline structure is a

mineral

100

 A large object in space that is made of gas and produces its own light is known as a

star

100

 A system of planets and other bodies that orbit a star is called a

solar system

200

The continuous movement of water through the environment by evaporation, condensation, precipitation, and runoff is known as the

water cycle

200

 A type of rock formed from layers of sediment is known as a

sedimentary rock

200

 A type of rock that is formed over time from existing rock due to extreme pressure and/or heat is a

metamorphic rock

200

A large body in space that orbits a star and does not produce its own light is known as a

planet

200

A natural object that orbits a planet is a

moon

300

A form of water that condenses in the atmosphere and falls to Earth’s surface is called

precipitation

300

A type of rock that forms from cooled magma or lava is

igneous rock

300

The color of the powder of a mineral when it is rubbed on a plate is known as

streak

300

What are the inner planets?

Mercury, Mars, Earth and Venus

300

What are the outer planets?

Neptune, Saturn, Uranus and Jupiter
400

 The process by which liquid water is changed to water vapor, a gas is

evaporation

400

The process where rock, soil, and sediment are moved from one place to another is known as

erosion

400

 The process by which rocks and other surfaces are broken down is known as

weathering

400

 The turning (or spinning) of an object on its axis is a

rotation

400

 The motion of one object around another object is a

revolution

500

 The process by which water is changed from a gas to a liquid is known as

condensation

500

 A property of a mineral that describes how it appears when it reflects light is known as

luster

500

 A property of a mineral that describes how easily it can be scratched is known as

hardness

500

 An object made of rock, ice, dust, and gas that revolves around the sun is a

comet

500

A rocky or metallic object that orbits the sun is known as an

asteroid