wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Grade 8 - Changes in Matter

Total questions: 78

Worksheet time: 39mins

Name
Class
Date
1.

Identify the chemical change

a)

Rust

b)

Boiling water

c)

Rain

d)

Cutting up a paper

2.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
3.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
4.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
5.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
6.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
7.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
8.
Is moldy cheese a chemical or physical change?
a)
chemical
b)
physical
9.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
10.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
11.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
12.
Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.
a)
Chemical Change
b)
Physical Change
13.
Ice melting
a)
Chemical Change
b)
Physical Change
14.
Water freezing
a)
Chemical Change
b)
Physical Change
15.
Shredding a piece of paper
a)
Chemical Change
b)
Physical Change
16.
Burning coal
a)
Chemical Change
b)
Physical Change
17.
Is a firefly lighting up a physical or chemical change?
a)
Physical
b)
Chemical
18.
Is water melting a physical or chemical change?
a)
Physical
b)
Chemical
19.
Is salt dissolving in water a physical or chemical change?
a)
Physical
b)
Chemical
20.
Is digesting your food a physical or chemical change?
a)
Physical
b)
Chemical
21.
Is a burning candle a physical or chemical change?
a)
Physical
b)
Chemical
22.
Is melting iron a physical or chemical change?
a)
Physical
b)
Chemical
23.
Is a car using fuel a physical or chemical change?
a)
Physical
b)
Chemical
24.
Is sour milk a physical or chemical change?
a)
Physical
b)
Chemical
25.
Is bending copper wire a physical or chemical change?
a)
Physical
b)
Chemical
26.
Is steam a physical or chemical change?
a)
Physical
b)
Chemical
27.
Are hard boiled eggs a physical or chemical change?
a)
Physical
b)
Chemical
28.
Is melting butter a physical or chemical change?
a)
Physical
b)
Chemical
29.
When things burn this is a chemical reaction called COMBUSTION.  What does every combustion reaction require?
a)
Hydrogen
b)
Carbon dioxide
c)
Oxygen
d)
Water
30.
Is adding sugar to your coffee a physical or chemical change?
a)
Physical
b)
Chemical
31.
When baking soda and vinegar mix it creates a bubbly mess. Is this a chemical or physical change?
a)
Physical
b)
Chemical
32.
If liquid nitrogen is brought to a boil, is this a physical or chemical change?
a)
Physical
b)
Chemical
33.
If a new substance is formed would this be a physical or chemical change?
a)
Physical
b)
Chemical
34.

An oreo cookie has a mass of 20 grams. It gets crushed into crumbs for a recipe. What is the mass of the crumbs?

a)

15 grams

b)

25 grams

c)

20 grams

35.

The Law of Conservation of Matter states that the total amount of matter _____ after it undergoes change.

a)

disappears

b)

stays the same

c)

weighs less

d)

explodes

36.
If 25 grams of sugar dissolves into 150 grams of water, what is the new weight of the liquid?
a)
125 g
b)
150 g
c)
25 g
d)
175 g
37.
The fire snake weighed slightly less after it burned. Where did that matter go?
a)
disappeared
b)
burned up
c)
escaped as gas
d)
soaked into sand
38.
As the balloon collects gas, what happens to the weight reading on the scale?
a)
increases
b)
decreases
c)
stays the same
d)
goes to zero
39.
If 25 grams of sugar dissolves into 150 grams of water, what is the new weight of the liquid?
a)
125 g
b)
150 g
c)
25 g
d)
175 g
40.

a)

Sedimentation method

b)

Distillation method

c)

Filtration method

d)

Sieving method

41.

a)

Distillation method

b)

Sieving method

c)

Filtration method

d)

Sedimentation method

42.

a)

Filtration method

b)

Sieving method

c)

Distillation method

d)

Flotation method

43.

Which mixture can be separated using a filtration method?

a)

oil and water

b)

sand and iron powder

c)

sand and water

d)

water and ethanol

44.

Sand and gravel may be separated from each other through using..

a)

a filter funnel

b)

a sieve

c)

an evaporating basin

d)

a distillation

45.

This type of paper allows liquid to pass through it. What tool is it?

a)

sieve

b)

filter

46.

A solution of salt and water was put over heat. What will happen next?

a)

The salt will evaporate

b)

the salt and water evaporate

c)

the water will evaporate

47.

Which of the following is a correct statement about distillation

a)

The components of the mixture have different densities

b)

The components of the mixture have different melting points

c)

The components of the mixture have different boiling points

d)

The components of the mixture form a heterogeneous mixture

48.

In a solution the liquid that dissolves a solute is called the

a)

Solvent

b)

Solute

c)

Dissolver

d)

Water

49.

This involves using a strainer or a big screen to separate the components of solid mixtures.

a)

chromatography

b)

distillation

c)

sieving

d)

physical manipulation

50.

This method is used in separating soluble solid from a liquid such as salt from water.

a)

evaporation

b)

distillation

c)

decantation

d)

filtration

51.

Which answer choice correctly outlines the differences between pure substances and mixtures?

a)

pure substances cannot be separated physically while mixtures can be separated physically.

b)

pure substances can be separated physically while mixtures cannot be separated physically

c)

pure substances and mixtures both can be separated physically.

d)

Neither pure substances and mixtures cannot be separated physically.

52.

There are two types of mixtures ​ (a)   ​ (b)  

Choose from the below words
homogeneous
heterogeneous
elements
compounds
53.

Which of the following answer choices IS NOT an example of a homogeneous mixture?

a)

coffee

b)

lemonade

c)

blood

d)

reese's peanut butter cup ice cream

54.

Which of the following answer choices all listed as homogeneous mixtures? Choose all that apply.

a)

solution

b)

solvent

c)

solute

d)

molecule

55.

Mr. Devers poured water in a cup to drink. He started to drink the liquid then he added some yellow lemonade powder as he mixed both together. What would the yellow lemonade powder be called in this mixture?

a)

solute

b)

solvent

c)

pure substance

d)

molecule

56.

The white power is the ​ ​ (a)   and the water is the ​ (b)  

Choose from the below words
solute
solvent
pure substance
solids
liquids
57.

________ mixture is a mixture that is made up of two or more substances that are not uniformed throughout.

a)

pure substances

b)

homogeneous

c)

heterogeneous

d)

elements

58.

Which of the following answer choices are examples of heterogeneous mixtures? Choose all that apply.

a)

fruit salad

b)

soil

c)

cereal in milk

d)

blood

59.

What does soda, air, milk, and brass have in common?

a)

all are examples homogeneous mixtures

b)

all are examples heterogeneous mixtures

c)

air and brass are homogeneous and milk and soda are heterogeneous mixtures

d)

Neither are examples of homogeneous or heterogeneous mixtures.

60.

Organize these options into the right categories

Categorize the following

gatorade

air

coffee

pizza

chocolate chip brownie

salad

homogeneous
heterogeneous
61.
Ocean water is a solution?
a)
True
b)
False
62.
What happens when sand and water are mixed together?
a)
sand will settle to the bottom
b)
water will change physical properties
c)
the cup will get really cold
63.

This is a type of mixture where one substance dissolves into another

a)

Solution

b)

Miscibility

c)

Compound

d)

Solubility

64.

Is Trailmix an example of a Mixture?

a)

Yes

b)

No

65.

The salt dissolved in the water after being mixed evenly.

Is this an example of a Solution?

a)

Yes

b)

No

66.

A solution is made when one substance _________ in another.

a)

settles at the bottom

b)

moves

c)

dissolves

d)

is suspended

67.
A mixture that is uniform and well mixed is _____.
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
compoud
68.
The picture shown here is what type of mixture?
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
element
69.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
70.

What kind of mixture does NOT have a uniform composition?

a)

Heterogeneous

b)

Homogeneous

c)

Pure Substance

71.
When one of the parts of the solution is water we call it _________. 
a)
water stuff 
b)
water mixture 
c)
aqua-man
d)
aqueous 
72.
If we are making Kool-aid with sugar, Kool-aid powder, and water, which part is the solvent?
a)
water
b)
powder
c)
sugar
d)
powder and sugar
73.

In Michael's science experiment with salt water, NaCl (salt) would be considered the ______.

a)

Solution

b)

Solute

c)

Solvent

d)

Solvation

74.

Luna and Daniel are conducting an experiment to see how much __________ can dissolve in a solvent to create saturated, unsaturated, and supersaturated solutions.

a)

sugar

b)

liquid

c)

solution

d)

solute

75.
Solutions are composed of __________ .
a)
salts and solutes
b)
solvents and salts
c)
solutes and alloys
d)
solutes and solvents
76.

Emma is making a sugar solution for her science experiment. What is the substance being dissolved in the solution?

a)

sands

b)

solute

c)

solvent

d)

alloy

77.

Aria is making lemonade. She adds sugar to the water. The sugar is a

a)

solute

b)

solution

c)

science

78.
A solution is a kind of ________. 
a)
mixture 
b)
compound 
c)
element 
d)
stuff 

Similar Resources on Wayground

8th grade Science Final Exam Review

73 questions

8th grade Science Final Exam Review

quiz

Worksheet

•

7th Grade

MYP Chemistry unit review

80 questions

MYP Chemistry unit review

quiz

Worksheet

•

8th - 11th Grade

Science BM2 Review

74 questions

Science BM2 Review

quiz

Worksheet

•

6th Grade

Solar System

73 questions

Solar System

quiz

Worksheet

•

6th Grade

CAX Y8 Periodic Table quizizz

81 questions

CAX Y8 Periodic Table quizizz

quiz

Worksheet

•

6th - 8th Grade

LCoM and Intro to Genetics CA

82 questions

LCoM and Intro to Genetics CA

quiz

Worksheet

•

6th - 8th Grade

Geografia

78 questions

Geografia

quiz

Worksheet

•

7th - 8th Grade

ASTRONOMY PART 1 REVIEW

79 questions

ASTRONOMY PART 1 REVIEW

quiz

Worksheet

•

6th Grade