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BENCHMARK #3 REVIEw

Total questions: 69

Worksheet time: 6hrs 45mins

Name
Class
Date
1.

A substance that contains only one type of atom is a(n)

a)

compound

b)

heterogeneous mixture

c)

element

d)

homogeneous mixture

2.

Which statement is true?

a)

In a compound, all atoms are exactly the same.

b)

In an element, all atoms are exactly the same.

c)

In a mixture, all compounds are exactly the same.

3.

The atomic number tells us

a)

What the element is

b)

Number of Protons

c)

Number of Electrons

d)

ALL of the above

4.

The smallest piece of an element:

a)

Proton

b)

Atom

c)

Neutron

d)

Electrons

5.

An element's identity is determined by which of the following? (May be more than 1)

a)

Protons

b)

Atomic Mass

c)

Neutrons

d)

Atomic Number

6.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
7.

A mixture that does NOT appear to be evenly mixed throughout is ______.

a)

an atom

b)

a compound

c)

a homogeneous mixture

d)

a heterogeneous mixture

8.

_______ is used to separate a solid from a liquid in which it is suspended.

a)

filtration

b)

distillation

c)

suspension

d)

colloid

9.

_______ is in a heterogenous mixture in which particles do not dissolve.

a)

suspension

b)

colloid

c)

compound

d)

solvent

10.
If an unknown substance CANNOT be broken down into simpler substances, it is 
a)
a compound
b)
an element
c)
a homogeneous mixture
d)
a heterogeneous mixture
11.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
12.
a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous MIxture

13.

When there is 2 or more atoms combined together

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

14.
The following element key shows how many protons?
a)
16
b)
15.999
c)
Oxygen
d)
8
15.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
16.
Neutrons are:
a)
Positive
b)
Neutral
c)
Negative
d)
Exist outside the nucleus
17.
Electrons are: 
a)
Positive
b)
Negative
c)
Neutral
18.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
19.
What is the name of the group that never reacts--ever ever they are stable with a full outermost ring!!!
a)
noble gases
b)
transition
c)
halogens
d)
borons
20.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
21.
Which of the following is NOT an alkali metal
a)
Li
b)
Cl
c)
K
d)
Cs
22.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
23.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
24.
Reacts with Acid: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
25.
Melting Point: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
26.

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 change no new substance is formed

d)

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

27.

The law of conservation of mass states

a)

matter can not be created or destroyed

b)

matter can be created and destroyed

c)

matter can be changed and created

d)

matter can be rearranged and destroyed

28.
Which layer formed first?
a)
Rock Layer W
b)
Rock Layer X
c)
Rock Layer Y
d)
Rock Layer Z
29.
Formed from dead marine organisms
a)
Oil and Natural Gas
b)
Coal
c)
Fossil Fuels
30.

Energy stored in the earth in the form of heat.

a)

GEOTHERMAL

b)

SOLAR ENERGY

c)

WIND ENERGY

d)

NUCLEAR ENERGY

31.

The use of flowing water from waterfalls and dams to produce electricity.

a)

HYDRO & TIDAL POWER

b)

SOLAR ENERGY

c)

WIND ENERGY

d)

NUCLEAR ENERGY

32.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
33.
Which process converts carbon in the form of sugar into carbon dioxide gas?
a)
Bioremediation
b)
Photosynthesis
c)
Respiration
d)
Transpiration
34.

What drives the water cycle?

a)

Evaporation

b)

Flowing Water

c)

The Sun

35.

To say the amount of water in the water cycle never changes would be

a)

accurate

b)

inaccurate

36.

When water as a liquid turns into a gas it is known as

a)

vaporization

b)

condensation

c)

sublimation

d)

precipitation

37.
What is a watershed?
a)
Water in an area
b)
Water that flows into a river or stream
c)
Land that water flows over and through
d)
Water that is salty
38.
Where is MOST of Earth's available freshwater stored?
a)
the atmosphere
b)
underground
c)
lakes and rivers
d)
ice caps and glaciers
39.
Which represents the distribution of water on Earth?
a)
3% freshwater, 97% salt water
b)
97% freshwater, 3% salt water
c)
71% freshwater, 29% salt water
d)
29% freshwater, 71% salt water
40.

Upwelling is the process where cold, nutrient rich water from deep in the ocean rises to the surface.

a)
False
b)
True
41.

A mix of saltwater and freshwater is called?

a)

Dirty water

b)

Brackish

c)

An estuary

d)

B and C

42.

An estuary is a good place for organisms to hide since not all predators can survive in freshwater and saltwater.

a)

True

b)

False

43.

How does temperature relate to turbidity levels?

a)

Lower turbidity leads to higher temperatures.

b)

Lower turbidity leads to lower temperatures

c)

Temperature and turbidity do not relate.

44.

Surface Run-off from a storm will cause this in the river.

a)

Low levels of water

b)

High Turbidity

c)

Low pH levels

d)

None of the above

45.

You like to breathe? More than half of Earth's oxygen is created by ______________in the ocean, but their levels are declining because oceans are warming up.... 😠

a)

Agricultural plants

b)

Phytoplankton

c)

Chemosynthesis

46.

Using the pH what is considered midly acidic?

a)

Coffee

b)

Battery Acid

c)

Baking soda

d)

Lemon

47.

Commercial developments (like golf courses) use fertilizer to keep their landscape looking beautiful, how does this effect the nearby river regarding surface runoff?

a)

Runoff of animal waste, algae increases.

b)

Runoff of gasoline causes nitrates, algae increases.

c)

Runoff of fertilizer will cause increase in nitrates, algae increases.

d)

None of the above

48.

Which of the following statements best explains why nonpoint pollution is so difficult to prevent?

a)

Because nonpoint pollution can be traced to only one source.

b)

Because the source of nonpoint pollution is difficult to identify.

c)

Because the source of nonpoint pollution may be a factory that can afford large fines.

d)

Because nonpoint pollution is mainly from high temperature, which is impossible for us to affect.

49.

The amount of energy required to raise the temperature 1ºC for every kilogram is called____?

a)

Thermal Energy

b)

Temperature

c)

Specific Heat

d)

Kinetic Energy

50.

On the ocean floor, bacteria near hydrothermal vents use sulfur molecules to produce their own ________. Producing energy-rich nutrient molecules from chemicals is called ________.

a)
consumers, photosynthesis
b)
photosynthesis, chemosynthesis
c)
food, chemosynthesis
51.
Produced when sediments fill in a cavity made when an object decayed 
a)
cast
b)
mold
c)
original remains
52.
Cavity in a rock made when an organism decayed
a)
cast
b)
mold 
c)
original remains
53.
Principle that states in a sequence of undisturbed rocks, the oldest rocks are on the bottom and the rocks become progressively younger toward the top 
a)
superposition 
b)
uniformitarianism
c)
half-life
54.
Fossils of species that existed for  short periods and were widespread 
a)
trace fossils 
b)
index fossils 
c)
original remains 
55.
Preserved footprints, or fossilized scat are examples of _________
a)
trace fossils
b)
carbonized fossils
c)
cast fossils
d)
mold fossils
56.

This type of fossil forms when minerals soak into the buried remains, replacing the remains, and changing them into stone.

a)

Cast

b)

Mold

c)

Petrified

d)

Trace

57.

Which type of rock are most fossils found?

a)

sedimentary rock

b)

metamorphic rock

c)

igneous rock

d)

fossils

58.

Scientists use radiometric dating (radioactive decay) to measure...

a)

relative time (dating)

b)

absolute time (dating)

c)

half-lives

d)

time of day

59.
The length of time required for half of the radioactive atoms in a sample to decay is its...
a)
era
b)
age
c)
half-life
d)
eon
60.

The original element that undergoes radioactive decay is known as the...

a)

daughter element

b)

half-life

c)

parent element

d)

radioactive decay

61.

humankind is currently living in this era

a)

paleozoic

b)

mesozoic

c)

cenozoic

62.

This is a surface where the rock has eroded away, producing a break, or gap, in the rock record.

a)

unfonformity

b)

inconsistancy

c)

uniformity

d)

correlation

63.

These are the longest units of geologic time.

a)

eons

b)

era

c)

period

d)

epoch

64.

These are the second longest units of geologic time. Eons are divided up into these.

a)

eras

b)

periods

c)

epochs

d)

unconformities

65.

What can scientists use to study how Earth's climate and atmosphere have changed over time?

a)

Ice cores

b)

Index fossils

c)

Law of Superposition

d)

Radioactive dating

66.
This type of fossil forms when organisms or parts, like leaves, stems, flowers, fish, are pressed between layers of soft mud or clay that hardens squeezing almost all the decaying organism away leaving the carbon imprint in the rock.
a)
trace
b)
preserved or original remains
c)
carbonized or carbon film
d)
permineralized or petrified
67.

What type of boundary is this?

a)

convergent

b)

divergent

c)

transform

68.

What type of boundary is this?

a)

convergent

b)

divergent

c)

transform

69.

What type of boundary is this?

a)

convergent

b)

divergent

c)

transform

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