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Final Exam Review

Total questions: 66

Worksheet time: 2hrs 42mins

Name
Class
Date
1.
Why does ice float?
a)
Liquid water is less dense than solid water.
b)
Solid water is less dense than liquid water.
c)
Gaseous water is less dense than solid water.
d)
Liquid water is less dense than gaseous water.
2.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
3.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
4.
What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?
a)
13.3 g
b)
13.3 cm3
c)
.075 g
d)
1695 cm3
5.

How do you know that rusting is a chemical change?

a)

it changes color

b)

atoms were rearranged to form a new substance

c)

we just know

d)

the rust

6.

Ice (solid) can change to a liquid (water). This is a demonstration of a ______________________.

a)

physical change

b)

chemical change

c)

neither

d)

density

7.

What do we know about the density between hot and cold water?

a)

cold water is less dense than hot water; therefore, cold water rises

b)

cold water is less dense than hot water; therefore, cold water sinks

c)

hot water is less dense than cold water; therefore, hot water rises

d)

hot water is less dense than cold water; therefore, hot water sinks

8.

The positive particles of an atom are

a)

electrons

b)

positrons

c)

neutrons

d)

protons

9.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
10.
Which number here is my atomic number?
a)
5
b)
10.811
11.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
12.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
13.

What is atomic mass?

a)

Protons + neutrons

b)

Protons + electrons

c)

Neutrons + electrons

d)

Neutrons + quarks

14.

Which subatomic particle is the smallest?

a)

Protons

b)

Neutrons

c)

Electrons

15.

What does the C represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

16.

What does the 6 represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

17.

What does 12.011 represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

18.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
19.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
20.

If an atom has an extra neutron, it is _____.

a)

a positive ion

b)

a neutral atom

c)

an isotope

d)

a negative ion

21.

If an atom gains an electron, it is _____.

a)

a positive ion

b)

a negative ion

c)

a neutral atom

d)

an isotope

22.

If an atom loses an electron, it is _____.

a)

A positive ion

b)

a negative ion

c)

a neutral atom

d)

an isotope

23.

A negative ion is called _______.

a)

an anion

b)

a neutron

c)

an isotope

d)

valence

24.

A positive ion is called _______.

a)

a cation

b)

an anion

c)

a metalloid

d)

a neutron

25.

An atom that has gained or lost electrons in an attempt to become stable/bond with another atom.

a)

Normal/Neutral Atom

b)

Ion

c)

Isotope

26.

The process by which one or more substances change to produce one or more different substances

a)

Chemical Process

b)

Reactant

c)

Chemical Reaction

27.

A substance produced during a chemical reaction

a)

Product

b)

Reactant

c)

Properties

28.

A substance that takes part in and undergoes change during a reaction

a)

Product

b)

Molecule

c)

Reactant

29.

A chemical reaction or process that absorbs heat from the surroundings

a)

Endothermic

b)

Exothermic

30.

A chemical reaction or process that releases heat.

a)

Endothermic

b)

Exothermic

31.

The process of photosynthesis takes place in the:

a)

Leaves of the Plant.

b)

Stem of the plant.

c)

Roots of the plant.

d)

All of the above.

32.

1.


What are the reactants of cellular respiration in plants?

a)

carbon dioxide and water

b)

glucose and carbon dioxide

c)

the reactants of the electron transport chain

d)

oxygen and glucose

33.

What are the products of photosynthesis?

a)

Glucose

b)

sunlight

c)

water

34.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
35.

What is produced as a result of photosynthesis?

a)

glucose and chlorophyll

b)

water and light energy

c)

glucose and oxygen

d)

carbon dioxide and water

36.

In which cell organelle does PHOTOSYNTHESIS take place?

a)

The chloroplast

b)

The mitochondria

c)

The cytoplasm

d)

The golgi apparatus

37.

What process must cells undergo to convert the energy stored in glucose (C6H12O6) into useable cell energy (ATP)?

a)

Photosynthesis

b)

Cellular respiration

c)

Ketosis

d)

The macarena

38.

Where in the cell does cellular respiration take place?

a)

The chloroplasts

b)

The golgi apparatus

c)

The mitochondria

d)

The cell wall

39.

If 20g of sugar is stirred into a beaker containing 100g of water. What would the mass of the dissolved solution be after the sugar is dissolved fully?

a)

20g

b)

100g

c)

80g

d)

120g

40.

Based on the Law of Conservation of Matter, describe the relationship between the mass of the reactants and the mass of the products.

a)

The mass of the products is always greater than the mass of the reactants.

b)

The mass of the reactants is less than the mass of the products.

c)

The mass of the reactants equals the mass of the products.

d)

The mass of the reactants is greater than the mass of the products.

41.

The process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and carbohydrates such as sugars and starches is called:

a)

photosynthesis

b)

cellular respiration

c)

decomposition

d)

solvent

42.

The process that releases energy (ATP) by breaking down glucose and other food molecules in the presence of oxygen is called:

a)

photosynthesis

b)

coefficient

c)

protein

d)

cellular respiration

43.

What is the chemical reaction that breaks down compounds into simpler products called?

a)

chemical reaction

b)

decomposition

c)

subscript

d)

law of conservation of mass

44.

any form of water that falls from clouds and reaches Earth's surface

a)

condensation

b)

evaporation

c)

erosion

d)

precipitation

45.

An open ended tube that collects rain

a)

rain guage

b)

water hose

c)

bucket

d)

snow

46.

When water vapor in a cloud is converted directly into ice crystals

a)

freezing rain

b)

hail

c)

snow

d)

sleet

47.

Rain that falls through air below freezing and turns into solid particles of ice

a)

freezing rain

b)

snow

c)

hail

d)

sleet

48.

___________ is any form of water that falls from clouds and reaches Earth's surface as rain, snow, sleet, or hail.

a)

Transpiration

b)

Evaporation

c)

Precipitation

d)

Condensation

49.

An imaginary line that runs through the poles of a planet

a)

Axis

b)

Equator

c)

Revolution

d)

Rotation

50.

The half of Earth located below the equator

a)

Northern Hemisphere

b)

Southern Hemisphere

51.

Marked by the longest or shortest day of the year

a)

Equinox

b)

Rotation

c)

Revolution

d)

Solstice

52.

An imaginary line drawn around Earth that divides it into two halves

a)

Axis

b)

Equator

c)

Latitude

d)

Longitude

53.

The half of the Earth located above the equator

a)

Northern Hemisphere

b)

Southern Hemisphere

54.

Marked by equal days and nights - 12 hours each

a)

Equinox

b)

Fall

c)

Spring

d)

Solstice

55.

The earth is a tilted planet. What is the degree of tilt?

a)

Approximately 25 degrees

b)

Exactly 25 degrees

c)

23.5 degrees

d)

90 degrees with respect to the sun

56.

What season is it at position 3 in the northern hemisphere?

a)

Summer

b)

Fall

c)

Winter

d)

Spring

57.
What is a front?
a)
A place where air masses meet
b)
the front part of a storm
c)
An area of very high wind
d)
an area that has fair weather
58.
rapidly moving cold air  mass runs into a warm air mass the cold air slides under the warm air. This is called a  .....
a)
cold front
b)
warm front
c)
stationary front
59.
This is the symbol for which type of front?
a)
cold front
b)
warm front
c)
occluded front
d)
stationary front
60.

Weather is

a)

the condition of the atmosphere on any given day

b)

the long-term pattern of the atmosphere over a period of years

c)

both

d)

niether

61.

Climate is

a)

the condition of the atmosphere on any given day

b)

the long-term pattern of the atmosphere over a period of years

c)

both

d)

niether

62.

Which of the following symbols represents a warm front?

a)
b)
c)
d)
63.

Which of the following symbols represents a stationary front?

a)
b)
c)
d)
64.

Where do CONTINENTAL air masses form?

a)

Over water

b)

Over land

65.

Where do MARITIME air masses form?

a)

Over water

b)

Over land

66.

Which type of air mass bring COLD and DRY weather?

a)

Maritime Polar (mP)

b)

Maritime Tropical (mT)

c)

Continental Polar (cP)

d)

Continental Tropical (cT)

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