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Unit 1 Matter Review

Total questions: 42

Worksheet time: 32mins

Name
Class
Date
1.

Adam analyses a sample of a substance. He concludes that it consists of more than one type of atom chemically combined. What does the substance represent

a)

an element

b)

a compound

c)

a heterogeneous mixture

d)

a homogeneous mixture

2.

A student leaves a bowl of ice cream on a table, where it turns to a liquid. The student places the liquid ice cream back into the freezer overnight. How do the motion of the particles in the ice cream change when it is placed in the freezer?

a)

the particles slow down and move closer together

b)

the particles speed up and move closer together

c)

The particles slow down and move farther apart

d)

the particles speed up and move farther apart

3.

Which statement best describes a gas?

a)

a gas has particles that are close together but can slide past one another

b)

a gas has particles that have large distances between them and move freely

c)

a gas has particles that are close together but move freely

d)

a gas has particles that have not space between them and do not move

4.

A substance is examined under a high power electron microscope. The substance is found to contain only one type of atom. What is this substance?

a)

compound

b)

element

c)

mixture

d)

solution

5.

A student sketches the particles of a particular substance in the three states of matter. Which state of matter is shown by each sketch.

a)

A is solid, B is liquid, and C is gas

b)

A is gas, B is solid, and C is liquid

c)

A is liquid, B is gas, and C is solid

d)

A is liquid, B is solid, and C is gas

6.

A student is examining three diagrams that show particle arrangements in a solid, liquid, and gas. Which sequence of particle diagrams represents decreasing kinetic energy of particles?

a)

Q--R--S

b)

S--Q--R

c)

R--S--Q

d)

R--Q--S

7.

Which particle diagram can be classified as a compound?

a)
b)
c)
d)
8.

Oxygen (O) is an example of a(n) _________________.

a)

homogenous mixture

b)

heterogenous mixture

c)

element

d)

compound

9.

Baking a cake is an example of a _______________ change.

a)

physical

b)

chemical

c)

mechanical

d)

dense

10.

Maxine poured two different substances together in a glass beaker. Below are her observations both before and after she mixed these substances. Maxine makes a claim that a new substance formed as a result of mixing these two substances. What evidence from the data best supports this argument?

a)

The new substance had different properties.

b)

The new substance remained the same color.

c)

The new substance stayed the same temperature.

d)

There is no evidence to support Maxine’s claim.

11.

When a chemical change occurs, the substances you start and finish with have

a)

the same chemical properties

b)

different chemical properties

12.

Which particle diagram represents a mixture of element X and element Z, only?

a)
b)
c)
d)
13.
Your teacher has asked you to explain the difference between quantitative and qualitative observations. Which statement is correct?
a)
Quantitative observations use numbers, qualitative uses the senses.
b)
Quantitative observations use the senses, qualitative uses numbers.
c)
Quantitative observations use measurement, qualitative uses numbers.
d)
Quantitative observations use colors, qualitative uses the senses.
14.
There are nine dolphins in this pod.
a)
qualitative
b)
quantitative
15.
The mass of the chocolate cake is 250 g.
a)
Qualitative
b)
Quantitative
16.

The dogs were small.

a)

Qualitative

b)

Quantitative

17.

The parrots range from bright green to dark red.

a)

Qualitative

b)

Quantitative

18.

The study of the composition, structure, and properties of matter and the changes it undergoes.

a)

Chemistry

b)

Physics

c)

Biology

d)

Social Science

19.

The study of carbon containing compounds.

a)

Organic Chemistry

b)

Inorganic Chemistry

c)

Physical Chemistry

d)

Biochemistry

20.

The study of compounds that do not contain carbon.

a)

Organic Chemistry

b)

Inorganic Chemistry

c)

Biochemistry

d)

Analytical Chemistry

21.

The study of the properties and changes in matter and their relation to energy.

a)

Physical Chemistry

b)

Biochemistry

c)

Organic Chemistry

d)

Inorganic Chemistry

22.

The identification of the components and composition of materials refers to___________________________

a)

Biochemistry

b)

Physical Chemistry

c)

Organic Chemistry

d)

Analytical Chemistry

23.

The study of substances and processes occurring in living things.

a)

Biochemistry

b)

organic Chemistry

c)

inorganic Chemistry

d)

Applied Chemistry

24.

The use of mathematics and computers to understand the principles behind observed chemical behavior and to design and predict the properties of new compounds.

a)

Theoretical Chemistry

b)

Biochemistry

c)

Inorganic Chemistry

d)

Organic Chemistry

25.
Which form of matter does not take the shape of its container?
a)
liquid
b)
gas
c)
solid
d)
air
26.
What term describes a solid changing to a gas?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
27.
a)
It remains the same.
b)
It changes greatly.
c)
It changes minimally.
d)
Unable to tell.
28.
Is salt dissolving in water a physical or chemical change?
a)
Physical
b)
Chemical
29.
Is digesting your food a physical or chemical change?
a)
Physical
b)
Chemical
30.

Which of the following observations would indicate a chemical change has happened? Select ALL correct answers.

a)

a solid precipitate forms

b)

heat energy is released

c)

breaks into smaller pieces

d)

folded in half

e)

a gas is produced

31.

Bubbles form when water boils. Is this evidence of chemical change?

a)

Yes, because water is changing.

b)

Yes, because the water is reacting.

c)

No, because the vapor is still water.

d)

No, because water doesn't react with anything.

32.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
33.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
34.
Is a car using fuel a physical or chemical change?
a)
Physical
b)
Chemical
35.
What type of mixture is this?
a)
homogenous mixture
b)
chemical
c)
heterogeneous mixture 
d)
solid mix
36.
What is the left part of a chemical equation called?
H2 + O → H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
37.
What line segment represents only the solid state?
a)
A-B
b)
B-C
c)
C-D
d)
D-E
38.
What state(s) of matter are present at D-E?
a)
Solid-liquid
b)
Liquid
c)
Liquid-gas
d)
Gas-Solid
39.
A substance's heating curve is shown in the graph.  What is its boiling point?
a)
100 C
b)
60 C
c)
80 C
d)
20 C
40.
The graph shows a cooling curve for an unknown substance.  What is happening during segment DE?
a)
boiling
b)
condensation
c)
freezing
d)
melting
41.
True or false: melting and freezing occur at the same temperature!
a)
True
b)
False
c)
I don't know
42.

The melting point of the sample is

a)

-60 ºC

b)

-100 ºC

c)

60 ºC

d)

100 ºC

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