science
Stuff needed to study for mid term exams
Terms
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- nonmetal
- element that is usually a gas or brittle solid at room tempurature and is a poor conductor of electricity and heat.
- earth science
- study of earth's systems and the systems in space, including weather and climate systems, and the study of non-living things such as rocks, oceans, and planets.
- metal
- element that has luster, is malleable, ductile, and a good conductor of heat and electricity.
- chemical bond
- force that holds 2 atoms together.
- data
- information gathered during an investigation; recorded in the form of descriptions, tables, graphs or drawings.
- metalloid
- element that shares some properties with both metals and nonmetals
- actinide
- the second series of inner transition elements which goes from thorium to lawrencium.
- dependant variable
- variable that may change as a result of changes purposely made to the independant variable.
- noble gases
- elements in group 18 of the periodic table.
- hypothesis
- reasonable guess that can be tested and is based on what is known and what is observed.
- scientific law
- a rule that describes a pattern in nature but does not try to explain why something happens.
- semiconductor
- element that does not conduct electricity as well as metals but conducts it better than a nonmetal.