Planet Earth Flashcards
1
Q
Element
A
A pure substance that cannot be broken down into anything simpler by chemical methods
2
Q
Compound
A
A pure substance that consists of two or more elements chemically joined together
3
Q
Mixture
A
Two or more substances that are not chemically joined together
4
Q
Saturated solution
A
No more solute is able to dissolve at this temperature
5
Q
Concentration
A
The amount of solute dissolved in a stated volume of solution
6
Q
Physical change
A
No new substances are formed
7
Q
Weathering (chem change)
A
Rock is dissolved, worn away or broken down in smaller pieces
8
Q
Erosion (physical change)
A
When weathered rock materials are moved to another place by ice, water, wind or gravity
