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8-science
Ch.1
Question | Answer |
---|---|
a measure of how much surface an object has | area |
a person who studies a community of organisms and their non-living enviroment | ecologist |
a possible explanation or answer to a question | hypotheses |
a person who studies the atmosphere | meteorologist |
the amount of space something occupies or the amount of space something contains | volume |
a factor in an experiment that's changed | variable |
any pieces of information acquired through experimentation | data |
amount of matter something is made of | mass |
measure of how hot or cold something is | temperature |
the amount of matter in a given volume | density |
a unifying explanation for a broad range of hypotheses and observations that have been supported by testing | theory |
a representation of an object or system | model |
compares the results from a control group with the results of one or more experimental groups | controlled experiment |
any use of senses to gather information | observation |
the application of knowledge, tools, and materials to solve problems and accomplish tasks | technology |
a summary of many experimental results and observations | law |
the ways in which scientists answer questions and solve problems | scientific method |
the basic SI unit of length | meter |
a process of gathering knowledge about the natural world | science |
person who specializes in the chemistry of rocks, minerals, and soil | geochemist |
descriptions of what we observe | qualitative observations |
measurements of what we observed | quantitative observations |
making observations with your 5 senses and with measuring tools | Direct method |
making inferences based of observations | Indirect method |