1.
system of interacting life
2.
system of gases surrounding Earth
3.
system of water on, below, or above Earth
4.
system of natural, non-living material
5.
anything with mass & volume (has 3 states)
6.
the amount of matter in something
7.
the amount of space something takes up
8.
how much stuff is packed into an amount of space
10.
the basic unit of everything
11.
explains WHY something in nature occurs
12.
describes WHAT happens in nature
13.
the experiment variable that is the "testing" variable
14.
the experiment variable that is the "outcome" variable
15.
the experiment variable that is not changed during any trial
16.
the most compacted state of matter
17.
the state of matter that takes shape of its container
18.
the lease compacted state of matter
19.
when a scientist does multiple trials of an experiment
20.
when multiple scientists conduct the same experiments to review data