1.
Using science and math to solve problems.
2.
Limits on a design (cost, size, materials, safety).
3.
What a design should do.
4.
A cheap, safe version engineers build to test ideas.
5.
Technology exists to solve these.
6.
State of matter with tightly packed particles.
7.
State of matter with particles that slide past each other.
8.
A type of change where no new substance forms.
9.
A type of change where a new substance forms.
10.
Property describing how tightly particles are packed.
11.
Atoms do this during a chemical reaction to form new substances.
12.
Opposite magnetic poles do this.
14.
Unit used to measure force/weight.
15.
Starting materials in a chemical reaction.