Quiz Review - Chap 3 B Flashcards
1
Q
A solid substance found naturally in the earth’s surface that has never been alive
A
mineral
2
Q
Able to be dented or shaped
A
malleable
3
Q
A process used to separate metal in ore from the other materials
A
smelting
4
Q
A material that has usable amounts of metal in it
A
ore
5
Q
A concentrated area of specific minerals
A
vein
6
Q
A valuable metal that often indicates wealth
A
gold
7
Q
A strong, lightweight metal that is the most abundant metal in the earth’s crust
A
aluminum
8
Q
Prevents crops and soil from washing downhill
A
contour plowing
9
Q
Prevents soil erosion in unused fields
A
ground cover
10
Q
Land that is given a period of rest to allow natural processes to replenish the nutri- ents in the soil
A
fallow ground
