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Benchmark Review #1

Total questions: 101

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

Matter is defined as anything that takes of space and has ______________.

a)

liquid

b)

solid

c)

weight

d)

mass

2.

What is the smallest unit of matter in the world?

a)

an Atom

b)

a Molecule

c)

a piece of dirt

d)

an element

3.

When two or more atoms come together, they form a what?

a)

Another Atom

b)

A Solid

c)

An Element

d)

A Molecule

4.

What state of matter has molecules extremely close together that form a defined shape?

a)

Liquid

b)

Solid

c)

Rock

d)

Gas

5.

What state of matter has molecules spaced apart from one another and changes its shape depending on its container?

a)

Solid

b)

Liquid

c)

Gas

d)

Water

6.

What state of matter has molecules that bounce around at high speeds and are not close together?

a)

Solid

b)

Gas

c)

Smoke

d)

Liquid

7.

When two or more things are mixed together and you can see the different parts or could easily take it apart, it is called a _______________.

a)

Mixture

b)

Solution

c)

Compound

d)

Molecule

8.

When two or more parts are mixed together and chemically combine so that you cannot see the different parts (or different ingredients), it is called a ______________.

a)

Mixture

b)

Solution

c)

Compound

d)

Molecule

9.

Which picture is a solution?

a)
b)
c)
d)
10.

When ice cream is left out of a freezer, the ice cream changes from a _______________ to a ___________________.

a)

liquid to a solid

b)

gas to a liquid

c)

liquid to a gas

d)

solid to a liquid

11.

What process takes place when a gas becomes a liquid? (Think clouds)

a)

Melting

b)

Freezing

c)

Evaporation

d)

Condensation

12.

Which of the following is a proton?

a)
b)
c)
13.

Circling the atom, these parts of an atom hold a negative charge.

a)

Neutron

b)

Electron

c)

Proton

d)

Compound

14.

Which one of these is a compound?

a)

H2

b)

NaCl

c)

He

d)

O2

15.

Properties of matter than can be observed, measured, or changed without changing the matter itself

a)

solution

b)

conductor

c)

physical properties

d)

relative density

16.

A substance or object that allows energy to flow through it easily

a)

insulator

b)

relative density

c)

mass

d)

conductor

17.

An attracting or repelling force that causes a magnetic material to move

a)

matter

b)

magnetism

c)

physical properties

d)

insulator

18.

The ability of a substance to dissolve in another substance, such as sugar dissolving in water

a)

mixture

b)

conductor

c)

solubility

d)

states of matter

19.

The process by which substances break down into small pieces and spread evenly throughout a liquid

a)

magnetism

b)

mixture

c)

dissolving

d)

matter

20.

floating or sinking when compared to water

a)

conductor

b)

relative density

c)

liquid

d)

insulator

21.

A substance or object that does not allow energy to flow through it easily

a)

magnetism

b)

matter

c)

insulator

d)

conductor

22.

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

a)

Solution

b)

Miscibility

c)

Compound

d)

Solubility

23.

The substance that does the dissolving

a)

Solute

b)

Solvent

c)

Solution

d)

Miscibility

24.

This is an example of a

a)

Solution

b)

Mixture

25.

This is an example of a

a)

Solution

b)

Mixture

26.

Which science tools could you use to separate this?

a)

microscope

b)

tweezers

c)

battery

d)

sieve

27.

Is this soluble?

a)

Yes

b)

No

28.

How can we remove sand from a sand and water mixture?

a)

Tweezers

b)

Filter

c)

Magnet

29.

Water is the univeral ____.

a)

solute

b)

solvent

c)

solution

30.

solute + solvent =

a)

solution

b)

equation

31.

True or False: Mixtures can be separated by physical processes.

a)

True

b)

False

32.

How can you dissolve a solute quicker in water? (more than one answer applies)

a)

solid is in very small pieces

b)

mixing the solution

c)

mixture is heated

33.

A ________ is a solution in which no more solute can dissolve.

a)

saturated solution

b)

unsaturated solution

c)

supersaturated solution

34.

made up of atoms of two or more different elements joined together by chemical bonds

a)

molecule

b)

element

c)

atom

d)

compound

35.

the smallest particle in an element or compound that has the chemical properties of that element or compound

a)

atom

b)

atomic mass

c)

nucleus

d)

molecule

36.

smallest unit of an element that cannot be broken down by any chemical means

a)

molecule

b)

element

c)

atom

d)

compound

37.
Physical state change of water from Liquid to Solid
a)
condensation
b)
freezing
c)
melting
d)
evaporation
38.
What is a mixture? 
a)
to be absorbed in a liquid mixed evenly
b)
a chemically combined substance 
c)
a mixture of one substance dissolved evenly in another
d)
combination of 2 or more substances where each keep their own properties and can easily be separated
39.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
40.
a)
This picture is showing change in state due to taking heat away
b)
This picture is showing a gas to a liquid state change
c)
This picture is showing change in state due to adding heat
d)
This picture is showing a liquid to a gas state change
41.
a)
The cork is more dense than the rock.
b)
The rock is less dense than the cork.
c)
The rock is less dense than water.
d)
The cork is less dense than water.
42.
The drops of water that appear on the outside of a glass of cold juice on a warm day are an example of?
a)
sublimation
b)
condensation
c)
evaporation
d)
elimination
43.
How is a solid defined?
a)
Indefinite shape and indefinite volume
b)
Definite shape and definite volume
c)
Found in the stars
d)
Definite volume, indefinite shape
44.
If a mixture has components you can see it is a...
a)
solution
b)
compound
c)
homogeneous mixture
d)
heterogeneous mixture
45.
Which is a homogeneous mixture?
a)
Sand
b)
Trail mix
c)
Pizza
d)
Grape juice
46.
A styrofoam cup will float on the water's surface, but a penny will sink to the bottom. Which physical property explains why the styrofoam cup and the penny react the way they do in the water?
a)
density
b)
mass
c)
size
d)
weight
47.
Which is an example of a chemical change?
a)
melting ice
b)
dissolving salt in water
c)
hammering metal into a thin sheet of foil
d)
burning a piece of paper
48.
What happens at the boiling point of a substance?
a)
The substance begins to turn from a solid to a gas.
b)
The substance begins to turn from a gas to a liquid.
c)
The substance begins to turn from a solid to a liquid.
d)
The substance begins to turn from a liquid to a gas.
49.
Melinda has two identical rubber balls. She put one in Liquid Y and one in Liquid Z as shown in the diagram.  
Which statement is true about the two liquids in which the balls were placed?
a)
Liquid Y has a greater density than Liquid Z.
b)
Liquid Z has a greater density than Liquid Y.
c)
Liquid Y and Liquid Z have the same mass.
d)
Liquid Y and Liquid Z have the same density.
50.
Lora stated in her science paper that compounds and mixtures are different. She based this on which statement?
a)
The parts of a compound have the same properties as the compound, but the parts of a mixture change their properties.
b)
The parts of a compound can be separated using filtration, but the parts of a mixture cannot be separated.
c)
The parts of a compound do not keep their properties, but the parts of a mixture keep their properties.
d)
The parts of a compound can be separated into different mixtures.
51.
Ortego, Mimi, Gerald, and Tarika are working on a presentation for science class. They want to demonstrate methods for separating mixtures and will bring the supplies needed for their demonstration. The chart shows the four methods that they can use.
 If they use sugar water, which separation method should they use?
a)
evaporation
b)
filtration
c)
magnetism
d)
sifting
52.
The diagram shows common foods.   How would the coffee be classified?
a)
The coffee is a heterogeneous mixture because it is made up of more than two ingredients.
b)
The coffee is a heterogeneous mixture because it is not the same from place to place.
c)
The coffee is a homogenous mixture because it is not the same from place to place.
d)
The coffee is a homogenous mixture because it is even throughout.
53.
Which is a characteristic of solutions?
a)
Solutions are easily separated by particle size.
b)
Materials in a solution lose their individual properties.
c)
Materials in a solution are evenly mixed.
d)
A liquid and a solid are necessary to make a solution.
54.
A scientist wants to know if there are any grains of iron in a 30-gram mixture of sand and pebbles. What could she do to answer her question?
a)
use sifting to separate pebbles from the sand
b)
separate the mixture by using flotation
c)
pass a magnet through the mixture
d)
use a magnifying glass to look for black grains
55.
Which of the methods listed is NOT a good method for separating mixtures?
a)
sifting
b)
flotation
c)
dissolving
d)
filtration
56.
Frank has a beaker with a mixture of salt and water. He would like to recover the salt from the water. Which would be the best method to accomplish this?
a)
evaporation
b)
filtering
c)
freezing
d)
magnets
57.
What method would be best for separating oil and water?
a)
sifting
b)
flotation
c)
filtration
d)
magnets
58.
What physical property of matter is described as the amount of space matter occupies?
a)
mass
b)
volume
c)
density
d)
conductivity
59.
Martin observes that a sealed container floats on seawater, but sinks in a freshwater pool. Which statement would BEST explain Martin’s observations?
a)
The sealed container weighs less in seawater.
b)
The sealed container is denser than the saltwater.
c)
The sealed container is denser than the freshwater.
d)
The volume of the container is greater in the freshwater.
60.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
61.
Mrs. Richardson noticed that her ice cubes were floating in her blackberry lemonade. Which statement could be true about the cubes?
a)
The mass of the cubes is greater than the lemonade.
b)
The density of the lemonade is greater than the cubes.
c)
The volume of the cubes is less than the lemonade.
d)
The weight of the ice cubes is greater than the lemonade.
62.
The concentration of a mixture can be increased in which of the following ways?
a)
Heating the mixture
b)
Adding more water “solvent”
c)
Adding more powder “solute”
d)
Stirring the mixture
63.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
64.
When a Koolaid mix in water is dark in color and very sweet it is a __________ solution.
a)
concentrated 
b)
Diluted
65.
A way to increase the amount of sugar dissolved in tea is to
a)
crush and cool
b)
crush and leave alone
c)
crush and heat
66.
a)
b)
c)
d)
67.

How would you describe the way molecules move when the molecules are solid?

a)

the molecules are moving in place.

b)

the molecules are moving around each other.

c)

the molecules are moving away from each other.

d)

the molecules are not moving

68.

A liquid can be vaporised (or boiled) when it reaches a certain temperature. The boiling point for water is _____.

a)

50 degrees

b)

1 degree

c)

100 centimetres

d)

100 degrees

69.
How do gases move?
a)
They flow into any container.
b)
The keep their shape and are rigid.
c)
They vibrate and move freely at high speeds.
70.
What causes a change in the state of matter?
a)
physical properties
b)
chemical energy
c)
temperature
71.

A student drops a rock and a cork in a cup of water as shown.


The student observes that the cork floats while the rock sinks in water. What can be concluded from the observation?

a)

The cork is more dense than the rock and water

b)

The rock is more dense than the cork and water

c)

The rock is more dense than the cork but less dense than the water

d)

The cork is more dense than the water but less dense than the rock

72.
What is the volume of the rock? The water level is displaced from 20 mL to 23 mL with the rock.
a)
3 mL
b)
23 mL
c)
20 mL
d)
43 mL
73.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
74.
Choose the item that is less dense than water (floats).
a)
Beach Ball
b)
Brick
c)
Magnet
d)
Metal Key
75.

Sammy poured oil and water into a glass and mixed the liquids. He let the liquids sit in the glass for 8 hours and the 2 liquids separated as shown in the picture.


What happened to the 2 liquids?

a)

The oil is more dense than water, and it dissolved in the water

b)

The oil is less dense than water, and it dissolved in the water

c)

The oil is more dense than water and cannot dissolve in water

d)

The oil is less dense than water and cannot dissolve in water

76.
Which of the following tools can be used to measure the temperature of a room?
a)
balance
b)
thermometer
c)
graduated cylinder
d)
volume
77.
What happens when an ice cube starts to melt?
a)
it reaches room temperature
b)
it reaches 0°C
c)
it reaches boiling point
d)
it reaches 100°C
78.
Which state of matter is the illustration?
a)
solid
b)
liquid
c)
gas
d)
plasma
79.

An ice cube is placed in the sun. Later there is a puddle of water. Later still the puddle is gone.

a)

Physical Change

b)

Chemical Change

80.
Ripping up paper ...
a)
Chemical Change
b)
Physical Change
81.
Bubbles form when two or more substances are combined ...
a)
Chemical Change
b)
Physical Change
82.

Which of the following examples represents a physical change?

a)
b)
c)
d)
83.
Which part of an atom is POSITIVELY charged?
a)
protons
b)
neutrons
c)
electrons
d)
atoms
84.
Which part of an atom has no charge?
a)
protons
b)
neutrons
c)
electrons
d)
atoms
85.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
86.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
87.
Are these molecules also compounds?
a)
YES
b)
NO
88.
Hydrogen is a pure substance represented by the chemical symbol H. Which of the following best describes hydrogen?
a)
Hydrogen is an element made of two or more kinds of atoms.
b)
Hydrogen is a compound made of only one kind of atom.
c)
Hydrogen is a compound made of two or more kinds of atoms.
d)
Hydrogen is an element made of only one kind of atom.
89.
The element oxygen, represented by the symbol O, is classified as
a)
a pure substance
b)
a compound
c)
a mixture
d)
a solution
90.
Carbon (C) and hydrogen (H) are pure substances. Each is made of only one type of atom, but carbon atoms are different from hydrogen atoms. Carbon and hydrogen chemically combine to form methane (CH4).
a)
methane is an element and carbon and hydrogen are compounds.
b)
carbon, hydrogen, and methane are all elements.
c)
carbon, hydrogen, and methane are all compounds.
d)
carbon and hydrogen are elements and methane is a compound.
91.
H2O2← ?
This number tells the number of atoms present.
a)
coefficient
b)
molecule
c)
subscript
d)
atom
92.
2H2O
How many H2O molecules are present?
a)
1
b)
4
c)
2
d)
8
93.

H2O

How many Hydrogen atoms are present?

a)

2

b)

4

c)

1

d)

10

94.

H2O

How many Oxygen atoms are present?

a)

2

b)

4

c)

1

d)

5

95.
Why is it impossible to see molecules with the naked eye?
a)
they are too big
b)
they are too small
c)
they are too fast
d)
they have no mass
96.

Which of these compounds has the most atoms?

a)

CO2

b)

C6H12O6

c)

O2

d)

NaClHeO3

97.

A molecule of H2SO4 contains how many atoms?

a)

3

b)

6

c)

7

d)

8

98.

What is the common name for H2O?

a)

salt

b)

acid

c)

base

d)

water

99.
What is the difference between elements and compounds?
a)
elements have more than one kind of atom while compounds have only one kind of atom
b)
elements can separate by physical means while compounds cannot
c)
compounds have more than one kind of atom while elements have only one kind of atom
d)
elements are acids while compounds are bases
100.

Which of the following IS a molecule but is NOT a compound?

a)

CO2

b)

C

c)

O2

d)

CO

101.

This diagram represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture of elements and compounds

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