Limestone
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. limestone
A. Gas in the air that we need to breathe
2. thermal
B. A heavy odorless colorless gas formed during respiration and by the decomposition of organic
3. fossils
C. A sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
4. decomposition
D. Produced by the action of water
5. sedimentary
E. A brittle transparent solid with irregular atomic structure
6. glass
F. A white metallic element that burns with a brilliant light
7. elements
G. The analysis of a vector field
8. atom
H. An abstract part of something (plural)
9. building
I. A structure that has a roof and walls and stands more or less permanently in one place
10. calcium
J. The smallest component of an element having the chemical properties of the element
11. quicklime
K. The remains of a plant or animal that existed in a past geological age and that has been excavated (plural)
12. carbon
L. An abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous ___
13. carbondioxide
M. A substance formed by chemical union of two or more elements or ingredients in definite proportion
14. oxygen
N. Rising current of warm air
15. compound
O. A white crystalline oxide used in the production of calcium hydroxide