click below
click below
Normal Size Small Size show me how
7th grade science
Chapter 1
Question | Answer |
---|---|
experiment | using technology to make a hypothesis |
scientific methods | procedures used to solve problems and answer questions |
hypothesis | prediction that can be tested |
control | standard to which the outcome of a test is compared |
variable | something in a experiment that can change |
theory | explanation of things or events based on science knowledge resulting from many observations and experiments |
law | statement about how things work in nature that seems to be true consistently |
raw materials | substances need by organisms that carry on life |
organism | any living thing |
cell | smallest unit of organism that carry on life |
homeostasis | regulation of a organism internal life-maintaining conditions |
contaminate | to make impure by coming in contact |
spontaneous generation | living things come from nonliving things |
biogenesis | theory that living things form from other living things |
common name | nonscientific term vary region to region |
phylogeny | evolutionary history over organism, broke into six kingdoms |
kingdom | first & largest category used to classify organism |
binomial nomenclature | two-word naming system that gives all organisms their scientific name |
genus | first word of the two-word scientific name used to identify a group of similar species |