Chapter 8- Chemical Change

Question 1

Physical Properties

Answer 1

Properties you can observe using your five senses seeing, hearing, touching, smelling, tasting.

Question 2

Chemical Properties

Answer 2

properties that describe how a substance combines with other substances to form new chemicals or how a substance breaks up into two or more different substances

Question 3

Flammability

Answer 3

an indicator of how easily a substance catches fire

Question 4

Reactivity

Answer 4

a measure of how likely a particular metal is to take part in a displacement reaction

Question 5

Toxicity

Answer 5

the danger to your health caused when poisonous substances combine with chemicals in your body to produce new substances and damaging effects

Question 6

Chemical reaction

Answer 6

a chemical change in which one or more new chemical substances are produced

Question 7

Reactant

Answer 7

chemical substance used up in a chemical reaction. Some chemical bonds in a reactant are broken during the reaction.

Question 8

Products

Answer 8

new chemical substance that results from a chemical reaction

Question 9

Precipitate

Answer 9

solid product of a chemical reaction that does not dissolve in water

Question 10

Burning

Answer 10

Combining a substance with oxygen in a flame

Question 11

Oxidation

Answer 11

Chemical reaction involving the loss of electrons by a substance

Question 12

Fossil fuel

Answer 12

Substance, such as coal, oil and natural gas, that has formed frr

Question 13

Combustion

Answer 13

The process of combining with oxygen, most commonly burying with a flame.