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Properties of Matter Science TEKs 7.6(A,B,C,D,&E)

Total questions: 125

Worksheet time: 2hrs 27mins

Name
Class
Date
1.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
2.
The process of a LIQUID turning into a GAS is called?
a)
Boiling
b)
Evaporation
c)
Steam
d)
Sublimation
3.

Mixtures ________ combined chemically.

a)

ARE

b)

ARE NOT

4.

Density is mass divided by volume.

a)

True

b)

False

5.

The majority of the periodic table is composed of...

a)

metals

b)

nonmetals

c)

metalloids

d)

halogens

6.

This is an example of a:

a)

Solution

b)

Mixture

7.

The substance that does the dissolving.

a)

Solute

b)

Solvent

c)

Solution

d)

Miscibility

8.

The substance that is getting dissolved

a)

Solvent

b)

Solute

c)

Solution

d)

Mixture

9.

Which box has a higher density? 

a)

Box A

b)

Box B

c)

Cannot be determined

d)

They are the same

10.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
11.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
12.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
13.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
14.
Is water an element or a compound?
a)
Element
b)
Compound
15.
Which of the following atomic symbols is written correctly?
a)
ee
b)
hE
c)
C
d)
CL
16.

Can be found on the periodic table.

a)

Element

b)

Compound

c)

Mixture

17.

Identify the number of sodium atoms in the chemical formula NaClNaCl .

a)

1

b)

2

c)

3

d)

4

18.

True or false: All compounds are molecules, but not all molecules are compounds.

a)

True

b)

False

19.

What is a chemical formula?

a)

A mathematical formula used to describe a substance.

b)

An equation to determine the types of atoms in a substance.

c)

An idea that has a lot of evidence gathered by many scientists over a long time.

d)

A group of letters and numbers showing the types and numbers of atoms that repeat to make up a substance.

20.

Which of the following is an example of a chemical formula:

a)

C6H12O6

b)

Takis ingredient list

c)

6.02 x 1023

d)

Sunscreen lotion

21.

The number to the lower right of an element symbol in a compound formula that represents the number of atoms of that element.

a)

subscript

b)

coefficient

c)

element

d)

molecule

22.

The one or two letter representation of an element. Symbols are often derived from the Latin name of the element

a)

atomic number

b)

element symbol

c)

element name

d)

atomic mass

23.

Crushing a Coke can

a)

Physical 

b)

Chemical

24.

Sodium metal is cut with a knife

a)
Physical 
b)
Chemical
25.

Cooking an egg.

a)

Physical

b)

Chemical

26.

A nail rusting

a)
Physical 
b)
Chemical
27.

Wood burning

a)

Physical

b)

Chemical

28.

Melting chocolate

a)

Chemical change

b)

Physical change

29.

Milk curdling/souring.

a)
Physical 
b)
Chemical
30.

Fireworks.

a)

Physical Change

b)

Chemical Change

31.

What is the process called when a gas changes into a liquid?

a)

vaporization

b)

sublimation

c)

condensation

d)

evaporation

32.

What happens to the mass during a chemical change?

a)

The mass remains the same.

b)

The mass fluctuates.

c)

The mass increases.

d)

The mass decreases.

33.

Mixing vinegar and baking soda

a)

Chemical

b)

Physical

34.

The substance that is being dissolved in a solution.

a)

sands

b)

solute

c)

solvent

d)

alloy

35.

The substance in which a solute is dissolved.

a)

sands

b)

solvent

c)

alloy

d)

negative particles

36.
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
37.

You can make a solution more concentrated by adding more __________.

a)
solute
b)
solvent
c)
water
d)

solution

38.

If you increase the temperature of a solution, what generally happens to the rate of dissolution of a solid solute?

a)

It decreases

b)

It increases

c)

It remains the same

d)

It doubles

39.

Anything that has volume and mass.

a)

system

b)

thermal energy

c)

matter

d)

radiation

40.

Which of the following is not a state of matter?

a)

Ice

b)

Gas

c)

Liquid

d)

Solid

41.

The subatomic particles that make up an atom are:

a)

solid, liquid, gas

b)

electrons, protons, nucleus

c)

energy, protons, nucleus

d)

electrons, protons, neutrons

42.

Atoms are made up of ________________.

a)

energy

b)

electrons

c)

subatomic particles

d)

gases

43.

How are elements on the periodic table arranged?

a)

in alphabetical order

b)

similar physical & chemical properties

c)

their symbols

d)

just similar physical properties

44.

How many nitrogen atoms are present in the compound

KNO3?

a)

0

b)

1

c)

3

45.
Two elements chemically bonded form
a)
element
b)
compound
c)
mixture
d)
solutions
46.
A candle wick burning is an example of a _________________________
a)
physical reaction
b)
condensation
c)
neutrons
d)
chemical reaction
47.

In the symbol shown, what does 23 represents all of the following except?

a)

the number of protons

b)

the number of neutrons

c)

the number of electrons

d)

the atomic number

48.

Freezing

a)

Solid to gas

b)

Liquid to solid

c)

Gas to solid

49.

A physical change...

a)

changes the physical properties of an object but does not create a new substance.

b)

creates a new substance and cannot be undone.

50.

A chemical change

a)

changes the physical properties of an object but does not create a new substance.

b)

creates a new substance and cannot be undone.

51.

Burning paper is an example of a

a)

boiling point

b)

chemical reaction

c)

extended structure

52.
2H2O
How many H2O molecules are present?
a)
1
b)
4
c)
2
d)
8
53.

The H represents the __ for hydrogen.

a)
chemical symbol
b)

chemical formula

c)

atomic number

d)

element name

54.

All atoms of an element have the same number of protons, but not necessarily the same number of _.

a)

nucluei

b)

neutrons

c)

isotopes

55.

Changing the number of neutrons within an atom doesn't change the element, but it does change the _.

a)

charge

b)

molecule

c)

shape

d)

mass

56.

Solutions have these two parts:

a)

solvent & solute

b)

solids & liquids

c)

water & salt

57.

Used to describe a solution that has very little solute dissolved in the solvent (weak iced tea)

a)

Concentrated

b)

Dilute

58.

When a solution has the perfect amount of solute dissolved in the solvent

a)

Saturated

b)

Unsaturated

c)

Supersaturated

59.

This part of the solution is present in smaller amounts and gets dissolved

a)

solvent

b)

solute

c)

Solution

60.

This part of the solution is present in larger amounts and does the dissolving

a)

solvent

b)

solute

c)

Solution

61.

What do you call a homogeneous mixture that contains a solute and solvent with particles that are dissolved?

a)

solution

b)

colloid

c)

suspension

62.

_______________ are mixtures in which its particles are too big to stay mixed without being stirred or shaken.

a)

Solutions

b)

Colloids

c)

Suspensions

63.

In a ______________, one substance is dissolved in another substance.

a)

solution

b)

suspension

c)

colloid

64.

This part of the solution is present in larger amounts and does the dissolving

a)

solvent

b)

solute

c)

Solution

65.

A snow globe would be an example of a __________________.

a)

colloid

b)

solution

c)

suspension

66.

Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.

a)

heterogeneous

b)

homogeneous

c)

pure

67.
A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?
a)
Texture
b)
Temperature
c)
Shape
d)
 Mass
68.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
69.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
70.
A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?
a)
Texture
b)
Temperature
c)
Shape
d)
 Mass
71.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
rust
72.
Freezing Juice?
a)
Physical Change
b)
Chemical Change
73.
A change where one or more new substances are created.
a)
Physical Change 
b)
Chemical Change 
74.
Change in color is a physical change.
a)
True
b)
False
75.
Change in density is a physical change.
a)
True
b)
False
76.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
77.
Rust on an iron bar is an example of chemical change.
a)
True 
b)
False
78.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
79.
When you break a cracker into pieces it is a...
a)
Chemical change
b)
Physical change
80.
A mixture is the result of a physical change because...
a)
The parts can be separated
b)
A new substance is made
c)
There is a chemical reaction
d)
One part of the mixture disappears
81.
Which of these is a result of a chemical change?
a)
A mixture
b)
A solution
c)
A new substance
d)
Melting or freezing
82.
Which of these is a result of a physical change?
a)
A new odor
b)
A new gas
c)
A new chemical substance
d)
A solution
83.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
84.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
85.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
86.
Is water melting a physical or chemical change?
a)
Physical
b)
Chemical
87.
Is salt dissolving in water a physical or chemical change?
a)
Physical
b)
Chemical
88.
Is digesting your food a physical or chemical change?
a)
Physical
b)
Chemical
c)

Both (Chewing: Physical, stomach acid: Chemical)

89.
Is a burning candle a physical or chemical change?
a)
Physical
b)
Chemical
90.
Is melting iron a physical or chemical change?
a)
Physical
b)
Chemical
91.
Is a car using fuel a physical or chemical change?
a)
Physical
b)
Chemical
92.
In a ___________change, a substance changes into a different substance.
a)
Physical
b)
Chemical
93.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
94.
An gel ice pack getting cold after you put it in the freezer for an hour.
a)
Chemical Change
b)
Physical Change
95.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
96.
When a candle melts, it is a ___________________  change.
a)
chemical
b)
physical
c)
transparent
d)
undefined
97.

How is a chemical change different from a physical change?

a)

there is no difference

b)

a physical change creates a new substance

c)

a chemical change creates a new substance

98.

How is a chemical change different from a physical change?

a)

there is no difference

b)

a physical change creates a new substance

c)

a chemical change creates a new substance

99.

A chemical change is different than a physical change because in a chemical change

a)

chemicals are used

b)

molecules do not physically touch

c)

a new substance is formed and in a physical no new substance is formed

d)

the change can be seen but in a physical change it cannot

100.

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

101.

Which of the following is a common sign that a chemical change has occurred?

a)

A chemical has turned a different color, bubbled, and/or changed temperature.

b)

A chemical has changed to a different state of matter, such as a liquid to a solid.

c)

A chemical has changed size.

d)

A chemical has become a different shape.

102.
Which of the following represents a chemical change?
a)
cutting a piece of paper with scissors
b)
cooling a mixture of air and kerosene vapor to obtain liquid kerosene
c)
burning a piece of notebook paper in the presence of oxygen
d)
heating water over a flame to its boiling point
103.
Which of the following is an example of a physical change?
a)
souring milk
b)
mixing baking soda and vinegar
c)
rusting metal
d)
mixing oil and vinegar
104.
Which is an example of a physical change?
a)
sodium and chlorine form salt
b)
a copper ring turns white and green
c)
a log burns in a fire
d)
using sand and water to build a sand castle on a beach
105.
Which of the following is an example of a physical change?
a)
wood burning
b)
ice melting
c)
food digesting
d)
iron rusting
106.
Which of the following is NOT a sign of a chemical reaction? 
a)
Color changes
b)
Cutting into fourths
c)
Light is produced
d)
Gas is formed
107.
Coal contains carbon and other elements. Carbon dioxide forms when coal burns in the presence of oxygen. Which of these is the best evidence that a chemical reaction occurs when coal burns?
a)
The shape of the coal changes
b)
Oxygen is present
c)
A new substance is produced
d)
Coal is made up of more than one element
108.
What are Chemical Reactions?
a)
It's when you mix substances.
b)
a process in which atoms rearrange to form new substances
c)
When something bubbles.
d)
letter and numbers showing the types and number of atoms
109.
Which of the following is NOT evidence that that a chemical reaction has occurred?
a)
produces light/heat
b)
production of a gas
c)
formation of a precipitate
d)
melting
110.
A different chemical substance is formed when _____.
a)
water boils
b)
metal rusts
c)
ice melts
d)
rock is crushed
111.
A teacher is demonstrating physical and chemical changes to her class. Which action should she use to demonstrate a chemical change?
a)
cutting a piece of paper
b)
folding a piece of paper
c)
tearing a piece of paper
d)
burning a piece of paper
112.

Which of the following is a characteristic of all chemical changes?

a)

A different state of matter is produced.

b)

Some mass is converted to energy.

c)

Some form of light is given off.

d)

A new material is formed.

113.

We know these are different substances because they have different:

a)

Sizes

b)

Properties

c)

Atoms

d)

Tastes

114.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
115.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
116.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
117.
Four students performed four different investigations by combining different substances. Their results are shown in the table provided. In which experiment are new substances being formed?
a)
Experiment 1
b)
Experiment 2
c)
Experiment 3
d)
Experiment 4
118.
A clear liquid from a flask is poured into another clear liquid in a beaker. Which of the following results of this procedure would indicate a new substance was formed?
a)
The level of the substance in the beaker is higher after the other liquid is added.
b)
A yellow solid forms and then settles to the bottom of the beaker.
c)
Small white crystals are left behind in the flask that held the first liquid.
119.

Evidence of a chemical reaction is anything that shows - 

a)
a new substance has formed
b)
a solid dissolved in a liquid
c)
interaction between 2 gases
d)
a change in the state of matter
120.
If you break a piece of glass, the shape of the glass changes, but the properties in the fragments remain the same. Which of the following has occurred?
a)
A chemical change.
b)
A temperature change.
c)
A phase change.
d)
A physical change.
121.

When a solution cannot dissolve any more solute it is referred to as _.

a)

really thick

b)

saturated

c)

highly concentrated

d)

full

122.
Is ice freezing a physical or chemical change?
a)
physical
b)
chemical
123.
Why is ice freezing ONLY a physical change? 
a)
The ice is colder than water. 
b)
It can stay cold when you put it in the freezer. 
c)
The molecules of water do NOT change. They only slow down and vibrate in position. 
d)
Its physical appearance does NOT change. 
124.

A measure of how much solute can be dissolved in a solvent at a given temperature

a)

Solubility

b)

Solution

c)

Suspension

d)

Saturated

125.
How does a solution become supersaturated?
a)
dissolve lots of solute in it.
b)
dissolve a little solute in it. 
c)
dissolve more solute than you should be able to. 
d)
dissolve a solvent in it. 

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