 | Term | Definition |
| |
observation |
any use of the 5 senses |
| |
instrument |
any object designed to extend the 5 senses |
| |
prediction |
a type of inference regarding the future |
| |
measurement |
a direct comparison with a known standard |
| |
mass |
quantity of matter |
| |
volume |
how much space the object takes up |
| |
density |
the concentration of matter |
| |
weight |
the attractive force between any two objects with mass |
| |
***water |
is most dense at liquid phase |
| |
displacement |
amount of water pushed aside |
| |
inference |
an educated guess based on your observations |
| |
cyclic changes |
changes that happen in a repeating pattern |
| |
polution |
when amount of anything becomes so great that it affects plants, aminals, and people |
| |
equilibrium |
a balance among all changes taking place |
| |
dependent |
something that might be affected by the change in the independent variable |
| |
independent |
something that is changed by the scientist, the manipulated variable |
| |
time scale |
an arrangement of events used as a measure of duration |
| |
frame of reference |
something in our environment that we can use as reference to compare an object |
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