| Question |
Answer |
| a group of things or parts that work together for a common purpose | system |
| a low area between hills and mountains where a river often flows | valley |
| the change of water from one state to another as it travels through Earth's atmosphere and its surface | water cycle |
| the process of rock breaking down into smaller pieces | weathering |
| an object in space that produces its own heat and light | star |
| something built by people | structure |
| a star around which the Earth and other planets in our solar system revolve | Sun |
| dark spots on the surface of the sun that are cooler than their surrounding areas | sunspots |
| a slanted surface; a surface that is not flat or level | slope |
| release enormous amounts of magnetic energy that can and sometimes do affect the electronic equipment on Earth | solar flare |
| arise from the intense heat of the corona; travel outward from the Sun through our Solar System | solar winds |
| violent explosions of streams of hot gas | solar prominence |
| the complete trip a planet makes around the Sun; Earth's is 365 1/4 days | revolution |
| the spinning of a planet or object in space on its axis | rotation |
| a line separating the land and the oceans; zero elevation | sea level |
| tiny bits of rock, shell, soil, sand, or dead plants | sediment |
| elevated areas of level land | plateau |
| the part of a river channel where the water moves rapidly over obstacles, such as large boulders | rapids |
| to use a material or substance again, usually in another form or way | recycle |
| resources that can be replaced in a short period of time, such as plants, animals, water, oxygen, and soil | renewable resources |
| the cyclical change in the way the moon reflects the Sun's light as it revolves around Earth | phases of the moon |
| the highest point or top of a mountain | peak |
| broad, flat areas of land not far above sea level | plains |
| large objects that revolve around a star | planets |
| a natural object that orbits a planet; a satellite | moon |
| a nonrenewable resource that is found under ground, used as a fuel and is a burnable gas | natural gas |
| resources that cannot be replaced in a short period of time, such as oil (petroleum), natural gas, coal, and minerals | nonrenewable resources |
| the path that one object takes around another object | orbit |
| drawings, usually on a flat surface, of an area or the features of an area | map |
| sudden downhill movement of rock, sediment, or soil; such as a landslide or mudslide | mass movement |
| a curve or loop in a river | meander |
| a representation, generally in miniature, to show the construction or appearance of something | model |
| resources that cannot be used up, such as wind, sunlight, and ocean tides | inexhaustible resources |
| to give an explanation | interpret |
| a shape of the land | landform |
| a natural or constructed embankment along a stream that protects land from flooding | levee |
| nonrenewable resources that formed from the remains of decayed plants and animals millions of years ago | fossil fuels |
| a slab of ice that moves slowly over the land | glacier |
| the force that pulls all objects in the universe towards each other | gravity |
| a network of horizontal and vertical lines that form squares | grid |
| crack in Earth's crust | fault |
| sudden rush of water over land after a heavy rain | flash flood |
| a very heavy flow or overflow of water over land | flood |
| land that is covered with water during a flood | floodplain |
| substances that make up or come from the Earth, such as water, rocks, and air | Earth materials |
| shaking of Earth caused by the movement of the crust | earthquake |
| height above sea level | elevation |
| movement of Earth materials by water, wind, ice, and other natural forces | erosion |
| a barrier that obstructs or does not allow, the flow of water | dam |
| a fan-shaped deposit of materials that is found at the mouth of a river or stream | delta |
| the process by which eroded materials settle in another place | deposition |
| third planet from the Sun; only known planet that contains life | Earth |
| center of the Earth | core |
| the atmosphere of the Sun that can only be seen during a solar eclipse | corona |
| outer layer of Earth that is made up of solid rock; also called the lithosphere | crust |
| any motion of an object, sequence or process that repeats itself | cycle |
| fan-shaped deposit of Earth materials on dry land | alluvial fan |
| an imaginary line that a planet, or object in space, spins on | axis |
| bottom of a mountain or other landform | base |
| a V-shaped valley eroded by a river or stream | canyon |
Biology Lab Midterm
