Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 3 PS Review

Total questions: 39

Worksheet time: 42mins

Name
Class
Date
1.

What holds atoms together in molecules?

a)

glue

b)

bonds

c)

nothing

d)

magnets

2.

What basic process is shown in the diagram?

a)

Sharing electrons

b)

Gaining and loosing electrons

c)

sharing protons

d)

gaining and loosing protons

3.

what kind of bond is shown in the picture?

a)

Ionic bond

b)

Covalent bond

c)

Sharing bond

d)

Gaining bond

4.

How do you know if a chemical reaction has occurred?

a)

Atoms disappear

b)

A change of color

c)

Thermal change (temperature change)

d)

Fizzing

5.

Name the following substance:

a)

glucose

b)

sodium chloride

c)

water

d)

magnesium sulphate

6.

Why do elements bond?

a)

To be friends

b)

To create a new element

c)

To become stable

d)

To get bigger

7.

Which of these is not a real bond in chemistry?

a)

James

b)

Ionic

c)

Covalent

d)

Metallic

8.
Ionic bonds are between...
a)
nonmetals and nonmetals
b)
carbon and oxygen
c)
metals and nonmentals
d)
hydrogen and chlorine
9.
Covalent bonds are between...
a)
two or more nonmetals
b)
sodium and chlorine
c)
metals and metals
d)
metals and nonmetals
10.
What kind of bond forms when atoms exchange electrons?
a)
ionic
b)
covalent
c)
artificial
d)
univalent
11.

Which of the following describes covalent bonds?

a)

Bonds form because of opposite charges

b)

electrons are shared to fill outer electron shells

c)

Electrons are transferred between atoms

d)

Covalent bonds are magical

12.
What is the basis of a metallic bond?
a)
the attraction of neutral metal atoms.
b)
the attraction between protons and neutrons.
c)
the attraction between positive metal ions and interlocking electrons.
d)
the attraction between positive metal ions and free floating electrons.
13.

Chemical bond is ...

a)

the physical mixing of two different atoms.

b)

the force that holds two atoms together

c)

the energy used up when two atoms combined.

d)

the temperature that changes the phase of matter.

14.
How are covalent bonds formed?
a)
Sharing of electrons
b)
Transfer of electrons
15.
Same repel, opposites
a)
avoid
b)
attract
c)
push
d)
pull
16.

When atoms bond it is called a ___________________ because they make a new substance.

a)

chemical reaction

b)

physical reaction

17.
Which observation(s) might be used as evidence that a chemical reaction occurred?
a)
Color change
b)
Odor change
c)
Properties change
d)
All of the above
18.
Which is an example of a chemical change?
a)
Burning wood
b)
Rust on a car
c)
Cooking food
d)
All of the above
19.

Which of the following 2 are chemical reactions?

a)

sugar dissolving in water

b)

water turning into steam

c)

burning wood

d)

mixing baking soda and vinegar

e)

tearing paper

20.

A + B --> AB

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

21.

AB --> A + B

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

22.

A + BC --> B + AC

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

23.

Which of the following is NOT an example of a physical change?

a)

Water freezing

b)

Wood breaking apart

c)

Salt dissolving in water

d)

Baking soda and vinegar combine and form bubbles

24.

Which of the following is an example of a physical change?

a)

Lighting a match

b)

Separating dyes by chromatography

c)

Water's boiling point = 100 degrees Celsius

d)

Baking soda reacting with vinegar

25.

What makes water unique compared to other substances?

a)

It expands when it freezes.

b)

It shrinks when it freezes.

c)

It isn't unique at all.

d)

It's extremely reactive

26.

Ice is ____________ dense than liquid water.

a)

a lot more

b)

slightly more

c)

slightly less

d)

a lot less

27.
Iron rusts.
a)
Chemical change
b)
Physical Change
28.
Milk Sours
a)
Chemical Change
b)
Physical Change
29.
A tire is inflated with air.
a)
Chemical Change
b)
Physical Change
30.
Food is digested in the stomach
a)
Chemical Change
b)
Physical Change
31.
Is freezing juice a physical or chemical change?
a)
Physical Change
b)
Chemical Change
32.
Evidence of a physical change.
a)
New substance
b)
Shape Change
c)
Light produced
d)
Gas released.
33.

Which of the following are examples of a Chemical Change?

a)

Iron Rusting

b)

Gas Burning

c)

Breaking a glass

d)

Boiling water

e)

Burning Wood

34.

Which of the following would be considered a physical property?

a)

Colour

b)

Flammability

c)

pH

d)

Reactivity

35.
Flammability
a)
Physical property
b)
Chemical property
36.
Bitter taste
a)
Physical property
b)
Chemical property
37.
Melting point
a)
Physical property
b)
Chemical property
38.
Red color
a)
Physical property
b)
Chemical property
39.
When coffee is poured into a cup of ice, the ice begins to melt and mix with the coffee. Which statement best describes this change?
a)
The ice melting is a chemical change because the water changes form.
b)
The ice melting is a physical change because the water may be frozen again.
c)
The water and coffee mixing is a chemical change because the liquids change color.
d)
The water and coffee mixing is a physical change because the mixture forms bubbles.

Similar Resources on Wayground

First Semester Exam Review

38 questions

First Semester Exam Review

quiz

Worksheet

•

9th Grade

Electrical Circuit Components

35 questions

Electrical Circuit Components

quiz

Worksheet

•

9th Grade

Grade 9 Biology: Paper 1

40 questions

Grade 9 Biology: Paper 1

quiz

Worksheet

•

8th - 10th Grade

Summative Test for Living Things and Their Environment

40 questions

Summative Test for Living Things and Their Environment

quiz

Worksheet

•

9th Grade

Final Exam EL

42 questions

Final Exam EL

quiz

Worksheet

•

9th Grade

Biology Midterm Review

35 questions

Biology Midterm Review

quiz

Worksheet

•

9th - 12th Grade

DNA Unit Review

40 questions

DNA Unit Review

quiz

Worksheet

•

9th Grade

8th Grade Science Midterm

40 questions

8th Grade Science Midterm

quiz

Worksheet

•

6th - 9th Grade