Propities And Changes In Materials- Main Definitions

Question 1

Conductivity

Answer 1

Conductivity is how an material lets something pass through it

Question 2

Reactants

Answer 2

Reactants are the chemicals added to a chemical reaction

Question 3

Product

Answer 3

Product is the material you end with in a chemical reaction

Question 4

Chemical reaction

Answer 4

A chemical reaction is a reaction that makes a new material as the end result. Also the changes cant be reversed

Question 5

Irreversible change

Answer 5

An irreversible change is a change where you cannot get the original materials back from the product

Question 6

Reversible change

Answer 6

An reversible change is a change where you can get the original materials back from the product. It can also be called a physical change

Question 7

Burning

Answer 7

burning is when a material is heated and it burst into flames

Question 8

Mixture

Answer 8

A mixture is made when two or more substances are combined, but they are not combined chemically.

Question 9

Solution

Answer 9

When a solute is completely desolved in a solvent we get a solution

Question 10

Solute

Answer 10

Solute is the substance (solid) that dissolves in the solvent to give a solution

Question 11

Solvent

Answer 11

Solvent is the liquid part in a solution

Question 12

Saturated solution

Answer 12

a saturated solution is a solution that has dissolved as much solute as it is capable of dissolving

Question 13

Solubility

Answer 13

Solubility is the ability of a material to dissolve in a liquid

Question 14

Exothermic reaction

Answer 14

An exothermic reaction is a type of chemical reaction that releases heat

Question 15

Dissolve

Answer 15

Dissolve means mixing a solid with a liquid until you can’t see the solid anymore.