States of matter test revision

Question 1

what is matter?

Answer 1

Matter is anything that has mass or volume

Question 2

identify the 3 states of matter

Answer 2

solid, liquid, gas

Question 3

properties of solids?

Answer 3

Fixed shape, volume, and is incompressible

Question 4

properties of liquids?

Answer 4

Variable shape, fixed volume, incompressible

Question 5

properties of gasses?

Answer 5

Variable shape, volume, compressible

Question 6

solid to liquid?

Answer 6

melting

Question 7

liquid to solid?

Answer 7

freezing

Question 8

liquid to gas?

Answer 8

evaporation

Question 9

gas to liquid?

Answer 9

condensation

Question 10

solid to gas?

Answer 10

sublimation

Question 11

gas to solid?

Answer 11

deposition

Question 12

explain how phase changes occur

Answer 12

when there is an increase or decrease in energy

Question 13

define a mixture

Answer 13

a mixture is a combination of two or more substances

Question 14

identify 3 types of mixtures

Answer 14

solution, suspension, colloid

Question 15

Describe how temperature affects the rate at which a solute dissolves into a solvent.

Answer 15

the hotter the temperature (of solvent) the faster the particles of the solute becomes smaller

Question 16

Describe the difference between soluble and insoluble substances

Answer 16

soluble substances dissolve in a liquid, and insoluble liquids dont

Question 17

identify the parts of a solution

Answer 17

solute and solvent

Question 18

describe the concentration of a solution

Answer 18

concentration is the amount of solute dissolved. if there is a lot of solute dissolved, the solution is concentrated, and if there’s only a little solute, it is dilute.

Question 19

Describe the effect increasing the surface area of a solute has on the rate of dissolving

Answer 19

the solvation rate increases

Question 20

Identify which substance is most and is least soluble (salt, sugar, chalk, flour, soil, copper sulphate)

Answer 20

most soluble: sugar. Least soluble: sand