Science Test #3 Flashcards
1
Q
Mass
A
Weight
2
Q
Atom
A
Tiny particles that make up matter.
3
Q
Molecule
A
Different atoms joined together.
4
Q
Matter
A
Anything that has mass / takes up space.
5
Q
Particle
A
Smallest piece of a substance.
6
Q
Bond
A
Aforce that holds atoms together.
7
Q
Force
A
A push or pull on an object
8
Q
Gaseous
A
Existing in gas phase.
9
Q
Expand
A
To increase in volume as a result of heating.
10
Q
Contract
A
To decrease in size.
11
Q
What determines the state of matter?
A
How the particles are arranged.
12
Q
Solid
A
Atoms are close together
Have defined shape and volume
13
Q
Liquid
A
Has no shape - Fills shape; container
Atoms slide past each other.
14
Q
Gas
A
Molecules move, spread out and bump into eachother.
Fills the container.
15
Q
Plasma
A
Hot gas with lot’s of energy.
Atoms split into charged particles.
Makes up 99% visible universe.
