chemical change

Question 1

change that results in a new substance being formed. During a chemical change, some chemical bonds break and others form.

Answer 1

chemical change

Question 2

change state from a liquid to a gas. Evaporation occurs only from the surface of a liquid.

Answer 2

evaporates

Question 3

condition or phase of a substance. The three main states of matter are solid, liquid and gas.

Answer 3

state

Question 4

change in which no new chemical substances are formed. A physical change may be a change in shape, size or state. Many physical changes are easy to reverse.

Answer 4

physical changes

Question 5

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

Answer 5

chemical reaction

Question 6

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

Answer 6

reactants

Question 7

a new chemical substance that results from a chemical reaction

Answer 7

products

Question 8

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

Answer 8

precipitate