Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Matter and Energy

Total questions: 37

Worksheet time: 26mins

Name
Class
Date
1.

A sample of an unknown element is found to be dull, brittle, and a poor conductor of electricity. How should this element be classified?

a)

Metal

b)

Nonmetal

c)

Metalloid

d)

Noble Gas

2.

Silicon (Si) is located along the 'stair-step' line on the Periodic Table. How is it classified?

a)

Metal

b)

Nonmetal

c)

Metalloid

d)

Noble Gas

3.

Which of the following is a physical property of nonmetals?

a)

High density

b)

Poor conductivity

c)

Luster (shiny)

d)

Malleability

4.

A substance that is malleable and ductile is most likely found in which section of the Periodic Table?

a)

The far right (last column)

b)

The top right

c)

The left and middle

d)

The stair-step line

5.

How should a bowl of cereal with milk be classified?

a)

Compound

b)

Homogeneous Mixture

c)

Heterogeneous Mixture

d)

Pure Element

6.

Which of these is a homogeneous mixture?

a)

Air

b)

Soil

c)

Chocolate chip cookie dough

d)

Oil and vinegar

7.

Which of these is a heterogeneous mixture?

a)

Salt water

b)

Italian salad dressing

c)

Brass (a metal alloy)

d)

Air

8.

What is the primary difference between a compound and a mixture?

a)

Compounds can be separated by physical means like filtration

b)

Mixtures are chemically combined in a set ratio

c)

Compounds are chemically bonded, while mixtures are physically combined

d)

Mixtures only contain one type of atom

9.

How many total atoms are in one molecule of Glucose ( C6H12O6C_6H_{12}O_6 )?

a)

3

b)

12

c)

24

d)

48

10.

How many elements are present in the compound ( NaHCO3\mathrm{NaHCO}_3 ) (Baking Soda)?

a)

3

b)

4

c)

6

d)

1

11.

Which chemical formula represents a compound with exactly three oxygen atoms?

a)

CO2\mathrm{CO}_2

b)

H2O\mathrm{H}_2\mathrm{O}

c)

CaCO3\mathrm{CaCO}_3

d)

O2\mathrm{O}_2

12.

In the chemical formula ( 2H2SO42\mathrm{H}_2\mathrm{SO}_4 ), what does the coefficient '2' represent?

a)

There are 2 atoms of Sulfur

b)

There are 2 molecules of Sulfuric Acid

c)

There are 2 extra electrons in the bond

d)

The reaction takes 2 minutes to complete

13.

How many hydrogen atoms are in ( 3NH33\mathrm{NH}_3 )?

a)

3

b)

6

c)

9

d)

1

14.

In the chemical equation for photosynthesis, ( 6CO2+6H2O→C6H12O6+6O26\mathrm{CO}_2 + 6\mathrm{H}_2\mathrm{O} \rightarrow \mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6 + 6\mathrm{O}_2 ), how many oxygen atoms are present in the reactants?

a)

6

b)

12

c)

18

d)

24

15.

Which of the following describes the Law of Conservation of Mass in a chemical reaction?

a)

The total mass of the reactants equals the total mass of the products

b)

Mass increases as new atoms are created during the reaction

c)

The mass of the products is always less because some energy is lost

d)

The number of molecules must be the same on both sides of the equation

16.

In the reaction ( 2Mg+O2→2MgO2\mathrm{Mg} + \mathrm{O}_2 \rightarrow 2\mathrm{MgO} ), if 48g of Magnesium reacts with 32g of Oxygen, what will be the mass of the Magnesium Oxide produced?

a)

16g

b)

48g

c)

80g

d)

100g

17.

What happens to the atoms in a chemical reaction?

a)

The atoms are destroyed to release energy

b)

New atoms are created to form the products

c)

The atoms are rearranged to form new substances

d)

The atoms change into different elements

18.

Which of the following is a clear indicator of a chemical change?

a)

Ice melting into liquid water

b)

A piece of paper being torn in half

c)

The formation of a precipitate when two liquids are mixed

d)

Sugar dissolving in a cup of tea

19.

When a physical change occurs, such as boiling water, what happens to the molecules?

a)

The molecules break apart into hydrogen and oxygen gas

b)

The molecules speed up and move further apart

c)

The molecules combine to form a new, heavier compound

d)

The molecules lose their mass

20.

A substance has a pH of 3. How would this substance be classified compared to pure water?

a)

Strong Base

b)

Neutral

c)

Acidic

d)

Alkaline

21.

Which statement correctly contrasts acids and bases?

a)

Acids taste bitter, while bases taste sour

b)

Acids feel slippery, while bases feel rough

c)

Acids release hydrogen ions (H+), while bases release hydroxide ions (OH-)

d)

Acids have a pH of 8-14, while bases have a pH of 0-6

22.

Which of the following is a characteristic of a base?

a)

It turns blue litmus paper red

b)

It reacts with metals to produce hydrogen gas

c)

It has a slippery feel

d)

It has a pH less than 7

23.

If you mix an acid with a base, the resulting products are usually

a)

A stronger acid

b)

Water and a salt

c)

A thick gas

d)

Pure oxygen

24.

In a solution of sugar water, which part is the solvent?

a)

The sugar

b)

The water

c)

The heat applied

d)

The container

25.

Which property of water allows insects, such as water striders, to walk on the surface of a pond?

a)

Adhesion

b)

Surface Tension

c)

Capillary Action

d)

Universal Solvent

26.

Water sticking to the glass walls of a graduated cylinder to form a meniscus is an example of

a)

Cohesion

b)

Adhesion

c)

Specific Heat

d)

Surface Tension

27.

Water droplets forming a spherical shape on a waxy leaf is primarily due to

a)

Adhesion to the leaf

b)

High surface tension

c)

Evaporation

d)

Acidity of the water

28.

Water moves from roots to leaves through narrow tubes. Which two properties work together to cause this upward movement?

a)

Surface tension and melting point

b)

Adhesion and Cohesion

c)

Solubility and pH

d)

Density and Buoyancy

29.
________________ is anything that has mass and takes up space.
a)
volume
b)
matter
c)
mass
d)
weight
30.

Which liquid is the least dense?

a)

Oil

b)

Water

c)

Syrup

d)

Plastic bottle

31.
Which of the following is an example that includes evidence of a chemical reaction?
a)
A sample of zinc is placed in water and it settles to the bottom
b)
A solid block of ice is heated and it completely melts into a liquid. 
c)
Sugar that is burned gives off an odor and turns brown and then black.
d)
A tomato is placed into a blender and chopped up into smaller pieces.
32.
You know you a chemical reaction has occurred if 
a)
there is a precipitate.
b)
there is a color change.
c)
there is a temperature change.
d)
All of these answers are evidence.
33.
Which of the following characteristics is shared by all chemical reactions?
a)
Produce a precipitate
b)
Show a color change
c)
Release heat energy
d)
Form new substances
34.

Melting ice

a)

physical change

b)

chemical change

35.

rusty nail

a)

physical change

b)

chemical change

36.

Which is NOT an indication of a chemical reaction?

a)

temperature change

b)

formation of a precipitate

c)

shape change

d)

production of light

37.
Which is the name of the kind of solid substance formed in this figure?  
a)
aqueous 
b)
precipitate
c)
acid
d)
synthesis 

Similar Resources on Wayground

NATURAL SCIENCE TEST: All about food

40 questions

NATURAL SCIENCE TEST: All about food

quiz

Worksheet

•

3rd - 12th Grade

Universe review quiz

33 questions

Universe review quiz

quiz

Worksheet

•

8th Grade

Extra Credit Universe Review

40 questions

Extra Credit Universe Review

quiz

Worksheet

•

8th Grade

LATIHAN SOAL PTS IPA KELAS 8

40 questions

LATIHAN SOAL PTS IPA KELAS 8

quiz

Worksheet

•

8th Grade

SEI - PEI Josué - Sistemas e transformações

35 questions

SEI - PEI Josué - Sistemas e transformações

quiz

Worksheet

•

6th - 8th Grade

Trivia 8th Grade

40 questions

Trivia 8th Grade

quiz

Worksheet

•

8th Grade

Unit 4 (SCIENCE)

35 questions

Unit 4 (SCIENCE)

quiz

Worksheet

•

8th Grade

三年级科学 营养素

40 questions

三年级科学 营养素

quiz

Worksheet

•

1st - 12th Grade