volcanic eruption {Ans: caused by magma escaping through cracks in the earth's crust (especially between plates)}continental glacier {Ans: a glacier that covers much of a continent or a large island}rock cycle {Ans: series of processes on Earth's surface and inside Earth that slowly changes rocks from one kind to another.}weather {Ans: the condition of the atmosphere at a particular time and place}Air {Ans: A mixture of gases that makes up Earth's atmosphere.}mechanical weathering {Ans: The process that breaks rocks by force, without changing their chemicals.}hygrometer {Ans: an instrument that measures relative humidity. It may have two thermometers that do not move, or it may be made from a human hair.}weather station model {Ans: a symbol on a weather map that shows a variety of weather conditions in a location}If a student uses laboratory equipment the wrong way or fools around while doing a lab, the teacher will: {Ans: 1. Tell the student to move to a seat far away from the lab equipment. 2. Give the student detention. 3. Make the student complete the lab by him/herself.}hail {Ans: layered ice pellets formed in cumulonimbus clouds by updrafts of wind}fossil record