Vocabulary to Know

Question 1

Solvent

Answer 1

The liquid in which a substance is dissolved

Question 2

Solute

Answer 2

The substance that is dissolved in a liquid to create a solution

Question 3

Solution

Answer 3

A mixture in which the solute is evenly distributed in a liquid

Question 4

Mass

Answer 4

The amount of matter within a substance

Question 5

Matter

Answer 5

Any substance that takes up space and has mass

Question 6

Subscript

Answer 6

A small number on the bottom right of a letter showing the number of atoms in a substance

Question 7

Atom

Answer 7

The basic particle of a chemical element

Question 8

Molecule

Answer 8

Two or more atoms bonded together

Question 9

Element

Answer 9

A substance made of only one type of atom

Question 10

States of Matter

Answer 10

A distinct form in which matter can exist (three basic states are: liquid, solid, and gas.)

Question 11

Physical Change

Answer 11

A change from one state to another (liquid, solid, gas) without a change in chemical composition

Question 12

Chemical Change

Answer 12

Any change that causes a new substance to be formed

Question 13

Chemical Reaction

Answer 13

when reactants contact each other, bonds between atoms are broken, and the atoms form new bonds to make new products

Question 14

Water Cycle

Answer 14

The continuous movement of water from the earth to the atmosphere and then back again

Question 15

Rock Cycle

Answer 15

A continuous process where the three forms of rocks transform from one to the other

Question 16

Stoichiometry

Answer 16

Measuring the elements in chemical equations (comparing reactants and products )

Question 17

Reactant

Answer 17

A substance in a chemical reaction

Question 18

Product

Answer 18

The new substance created in a chemical reaction

Question 19

SI Units

Answer 19

Units used in The International System of Measurement (like grahams, kilograms, millimeters, meters, etc.)

Question 20

Margin of Error

Answer 20

The amount by which a set of data might not be accurate (used in collecting experiment results.)

Question 21

Law of Conservation of Mass

Answer 21

Mass can be neither created nor destroyed, but may undergo chemical change. (The mass of the reactants must equal the mass of the product.)