Science, Elements and Matter Flashcards
1
Q
Law of conservation of mass
A
Matter cannot be created or destroyed.
2
Q
Matter
A
Anything that has weight and takes up space
3
Q
Mixture
A
A combination of 2 or more substances that are NOT chemically combined
4
Q
Homogeneous
A
Mixture where substances are the same throughout mixture
5
Q
Heterogeneous
A
Mixture where substance are NOT mixed
6
Q
Phase
A
The layer in the heterogeneous mixture
7
Q
States of matter
A
Solid, liquid, gas, plasma.
8
Q
Melting
A
Solid to liquid—-> more heat
9
Q
Freezing
A
Liquid to solid——> less heat
10
Q
Boiling
A
Liquid to gas—-> more heat
11
Q
Condensing
A
Gas to liquid—–>less heat
12
Q
Sublimation
A
Solid to gas (Ex dry Ice)
13
Q
Deposition
A
Gas to solid
14
Q
Physical Change
A
Changes size, color, shape, state of item (solid liquid gas plasma)
15
Q
Chemical change
A
Makes a new substance
