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2019_7th Grade Study Guide for 1st Semester Exam

Total questions: 201

Worksheet time: 2hrs 48mins

Name
Class
Date
1.

A possible explanation of an observation that can be tested by scientific investigations is called a(n) __________.

a)

prediction

b)

hypothesis

c)

law

d)

opinion

2.

A statement about what will happen next in a sequence of events is called a(n) ________________________.

a)

prediction

b)

hypothesis

c)

law

d)

opinion

3.

A statement that cannot be proved true or false is called a(n) ________________________.

a)

prediction

b)

hypothesis

c)

law

d)

opinion

4.

A ___________________ is an explanation of observations or events that is based on knowledge gained from many observations and investigations.

a)

inference

b)

hypothesis

c)

law

d)

theory

5.

A ___________________ is rule that describes a pattern in nature.

a)

inference

b)

hypothesis

c)

law

d)

theory

6.

A logical explanation of an observation that is drawn from prior knowledge or experience is called a(n)__________________________.

a)

inference

b)

hypothesis

c)

law

d)

theory

7.

The act of using one or more of your senses to gather information and recording what occurs is known as a(n)_____________________________.

a)

opinioin

b)

hypothesis

c)

law

d)

observation

8.

Physical science includes_____________________.

a)

physics and biology

b)

biology and geology

c)

chemistry and physics

d)

oceanography and chemistry

9.

Which statement about scientific laws is correct?

a)

Scientific laws are hypothesis

b)

Scientific laws describe patterns in nature.

c)

Scientific laws are the same as scientific theories.

d)

Scientific theories can eventually become laws.

10.

Which step would most likely occur at the end of a scientific investigation?

a)

communicating results

b)

making predictions

c)

analyzing results

d)

asking questions

11.

Which statement is an example of a scientific law?

a)

Earthquakes can occur due to the movement of tectonic plates.

b)

An object will always remain at rest unless another object acts on it .

c)

The study of new species is worth the money it costs.

d)

The solar system has eight planets.

12.

A __________ is a spoken or written summary of observations.

a)

observation

b)

theory

c)

law

d)

description

13.

The SI prefix kilo means ______________.

a)

10

b)

100

c)

1,000

d)

10,000

14.

The SI prefix mega (M) means ______________________.

a)

1,000,000

b)

10,000

c)

1,000

d)

100

15.

The SI prefix Hecto (h) means ______________________.

a)

1,000,000

b)

10,000

c)

1,000

d)

100

16.

The SI prefix Deka (da) means ______________________.

a)

10,000

b)

100

c)

10

d)

1

17.

The prefix Deci (d) means ___________.

a)

.1

b)

.01

c)

.001

d)

.000001

18.

The prefix Micro means ______________.

a)

.01

b)

.001

c)

.001

d)

.000001

19.

The prefix Milli (m) means ______________________.

a)

.01

b)

.001

c)

.001

d)

.000001

20.

The prefix Centi (c) means ______________________.

a)

.01

b)

.001

c)

.001

d)

.000001

21.

The SI base unit for length is the ___________________.

a)

meter

b)

mole

c)

kilogram

d)

Kelvin

22.

The SI base unit for mass is the ___________________.

a)

meter

b)

mole

c)

kilogram

d)

Kelvin

23.

The SI base unit for time is the ___________________.

a)

meter

b)

second

c)

candela

d)

Kelvin

24.

The SI base unit for light intensity is the ___________________.

a)

meter

b)

second

c)

candela

d)

Kelvin

25.

The SI base unit for temperature is the ___________________.

a)

meter

b)

second

c)

candela

d)

Kelvin

26.

The SI base unit for substance amount is the ___________________.

a)

mole

b)

second

c)

candela

d)

Kelvin

27.

The SI base unit for electric current is the ___________________.

a)

mole

b)

amepere

c)

candela

d)

second

28.

______________________ refers to the number of digits in a measurement that are known with a certain degree of reliability.

a)

International System of Units

b)

Measurement

c)

Accuracy

d)

Significant digits

29.

____________________ is a description of how close a measurement is to an accepted or true value.

a)

International System of Units

b)

Measurement

c)

Accuracy

d)

Significant digits

30.

____________________ is a description of how similar or close measurements are to each other.

a)

precision

b)

Measurement

c)

Accuracy

d)

Significant digits

31.

How many centimeters are in 1 m?

a)

1,000

b)

100

c)

10

d)

.01

32.

The number 4.05 has how many significant digits?

a)

4

b)

3

c)

2

d)

1

33.

How may significant digits are in the number 0.045?

a)

4

b)

3

c)

2

d)

1

34.

How may significant digits are in the number 2.143?

a)

4

b)

3

c)

2

d)

1

35.

How may significant digits are in the number 45,700?

a)

4

b)

3

c)

2

d)

1

36.

How may significant digits are in the number .0042?

a)

4

b)

3

c)

2

d)

1

37.

How may significant digits are in the number 0.005?

a)

4

b)

3

c)

2

d)

1

38.

How may significant digits are in the number 0.200?

a)

4

b)

3

c)

2

d)

1

39.

How may significant digits are in the number 7,542?

a)

4

b)

3

c)

2

d)

1

40.

How may significant digits are in the number 4.006?

a)

4

b)

3

c)

2

d)

1

41.

_________________ is the difference between the greatest number and the least number in the data set?

a)

mean

b)

median

c)

mode

d)

range

42.

The __________________ is the middle number in a data set when the data are arranged in numerical order.

a)

mean

b)

median

c)

mode

d)

range

43.

The ______________, or average, of a data set is the sum of the numbers in a data set divided by the number of entries in the set.

a)

mean

b)

median

c)

mode

d)

range

44.

The _______________ of a data set is the number or item that appears most often.

a)

mean

b)

median

c)

mode

d)

range

45.

The ______________ is the difference between the greatest number and the least number in the data set.

a)

mean

b)

median

c)

mode

d)

range

46.

What is the mean for the following data set:

4,10,16, 20, 22, 24

a)

14

b)

16

c)

18

d)

20

47.

What is the median for the following data set:

4,10,16, 20, 22, 24

a)

14

b)

16

c)

18

d)

20

48.

What is the range for the following data set:

4,10,16, 20, 22, 24

a)

14

b)

16

c)

18

d)

20

49.

What is the mode for the following data set:

4,10,16, 20, 22, 24,16

a)

14

b)

16

c)

18

d)

20

50.

___________________ includes Earth's rivers, lakes, and oceans.

a)

atmosphere

b)

biosphere

c)

geosphere

d)

hydrosphere

51.

___________________ includes rocks, minerals, and soils.

a)

atmosphere

b)

biosphere

c)

geosphere

d)

hydrosphere

52.

___________________ is mainly nitrogen and oxygen.

a)

atmosphere

b)

biosphere

c)

geosphere

d)

hydrosphere

53.

_______________________ includes plant, animals, and other living things.

a)

atmosphere

b)

biosphere

c)

geosphere

d)

hydrosphere

54.

Which phrase describes an interaction between the hydrosphere and the atmosphere?

a)

runoff of water into lakes and streams

b)

wind and water eroding rocks to form sediment

c)

plants removing carbon dioxide from the air

d)

water condensing to form clouds

55.

Phosphates remain in the soil or dissolve and enter the _________________________.

a)

atmosphere

b)

hydrosphere

c)

geosphere

d)

biosphere

56.

The formation of sedimentary rocks adds phosphorous to the ______________________.

a)

atmosphere

b)

hydrosphere

c)

geosphere

d)

biosphere

57.

Which of these adds greenhouse gases to the air?

a)

The formation of sedimentary rocks.

b)

Phosphorus returning to the atmosphere.

c)

The burning of fossil fuels.

d)

The process of photosynthesis.

58.

During which process does carbon leave the biosphere and enter the atmosphere?

a)

glycolysis

b)

cellular respiration

c)

photosynthesis

d)

deforestation

59.

The _________________ is beneficial to the phosphorus cycle.

a)

removal of large numbers of trees

b)

decomposition of dead plants

c)

formation of algal blooms

d)

burning of fossil fuels

60.

Carbon dioxide is considered to be a greenhouse gas.

a)

True

b)

False

61.

Name the 3 materials that make up the geosphere.

a)

soil

b)

rocks

c)

rivers

d)

minerals

62.

_________________________describes the way light reflect from a mineral's surface.

a)

Streak

b)

Luster

c)

Cleavage

d)

Fracture

63.

The color of a mineral in its powdered form is the mineral's ______________________.

a)

Streak

b)

Luster

c)

Cleavage

d)

Fracture

64.

Cleavage and Fracture are used to describe how minerals ______________________.

a)

shine

b)

glow

c)

streak

d)

break

65.

The mostly iron, innermost layer of the geosphere is the _______________.

a)

core

b)

lithosphere

c)

asthenosphere

d)

mantle

66.

The lithosphere is made up of the ________________ and the __________________.

a)

crust and mantle.

b)

core and mantle

c)

asthenosphere and core

d)

molten iron and upper mantle

67.

The asthenosphere is ________________________.

a)

the densest layer of the geopshere.

b)

partially melted rock material.

c)

a part of the crust.

d)

All of the above.

68.

Earth's geosphere is layered because ________________________.

a)

gravity caused the densest materials to sink.

b)

the lithosphere lies over the asthenosphere.

c)

sediments were deposited in the mantle

d)

the core melted into iron

69.

Which statement is true?

a)

Rocks contain one or more minerals.

b)

Some minerals were once alive.

c)

Minerals form from soils.

d)

None of the above

70.

Which statement is true?

a)

The outer core is solid metal.

b)

Some minerals were once alive.

c)

Rocks are parts of the geosphere.

d)

Iron makes up the lithosphere.

71.

Which statement is NOT true?

a)

The asthenosphere is partly melted.

b)

Earth's core is the densest part of the geosphere.

c)

Earth's mantle is thinner than Earth's crust.

d)

The lithosphere is partly melted.

72.

In which part of a plant leaf does most photosynthesis occur?

a)

the stomata

b)

the cuticle

c)

the vascular tissue

d)

the chloroplasts

73.

During cellular respiration, your body breaks down glucose and releases ________________.

a)

oxygen

b)

ATP

c)

hydrogen

d)

chlorophyll

74.

During photosynthesis, chlorophyll absorbs_______________.

a)

light energy

b)

carbon dioxide

c)

water

d)

glucose

75.

Water travels from the roots of a plant to its stems and leaves through _____________ cells.

a)

phloem

b)

xylem

c)

chloroplasts

d)

mitochondria

76.

Gases such as oxygen and carbon dioxide move through openings in the leaves called _____________.

a)

xylem

b)

phloem

c)

stomata

d)

chloroplasts

77.

Sugars travel from the leaves to the rest of the plant through ____________ cells.

a)

chloroplasts

b)

xylem

c)

mitochondria

d)

phloem

78.

Respiration requires _________________ gas, a waste given off during photosynthesis.

a)

carbon dioxide ( CO2)

b)

Oxygen

c)

helium

d)

water vapor

79.

Respiration occurs in the cytoplasm and ___________________.

a)

mitochondria

b)

chloroplasts

c)

chloryphyll

d)

xylem

80.

Plants use light-energy, water, and carbon dioxide to make ________________, during photosynthesis.

a)

sugar

b)

glucose

c)

chlorophyll

d)

ATP

81.

what type of tropism is occurring here?

a)

phototropism

b)

thigmotropism

c)

gravitropism

d)

tropictropism

82.

what type of tropism is occurring here?

a)

phototropism

b)

thigmotropism

c)

geotropism

d)

tropictropism

83.

what type of tropism is occurring here?

a)

phototropism

b)

thigmotropism

c)

geotropism

d)

tropictropism

84.
What type of tropism is response to touch? 
a)
Gravitropism
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
85.
This picture would represent which type of tropism?
a)
Phototropism
b)
Geotropism
c)
Hydrotropism
d)
Thigmotropism
86.
Changes in an organism's environment that cause a response
a)
Tropism
b)
Hormone
c)
Stimuli
d)
Response
87.
When the plant grows toward the stimuli
a)
Positive
b)
Negative
88.
When the plant grows away from the stimuli
a)
Positive 
b)
Negative
89.
A vine plant brushes against a fence and wraps itself around the fence.  To what stimulus is the plant responding? 
a)
phototropism
b)
hydrotropism
c)
thigmotropism
d)
gravitropism
90.

A stimulus is ___________

a)

a change in an organisms surroundings.

b)

process in which organisms grow larger.

c)

a reaction to a change in surroundings

d)

tropism

91.
Which of the following is an organism’s reaction to a change in its surroundings?
a)
response 
b)
distraction
c)
stimulus
d)
development
92.
Plant’s roots grow down, anchoring it into the soil. To what stimulus is the plant responding?
a)
thigmotropism
b)
hydrotropism
c)
phototropism
d)
gravitropism
93.
What term refers to a plant growing or moving away from a stimulus?
a)
Touch
b)
Tropism
c)
Dormancy
d)
Development
94.

A Venus flytrap captures insects by responding to which type of stimulus?

a)

gravity

b)

water

c)

light

d)

touch

95.

A hormone is an example of which type of stimulus?

a)

environmental

b)

reproductive

c)

digestive

d)

chemical

96.

Plants that require 12 or more hours of darkness to flower are called ____________________.

a)

day-neutral plants.

b)

long-day plants

c)

short -day plants

d)

medium-day plants

97.

Plants that require 10-12 or less hour of darkness to flower are called___________________.

a)

day-neutral plants

b)

short- day plants

c)

long-day plants

d)

medium-day plants

98.

The flowering of plants that are not affected by the amount of darkness are known as ________________________.

a)

day-neutral plants

b)

short-day plants

c)

long-day plants

d)

medium-day plants

99.

_________________________________ is a plant hormone that stimulates the ripening of fruit.

a)

Auxins

b)

Ethylene

c)

Gibberellins

d)

Cytokinins

100.

One of the first plant hormones discovered was ______________________, which increases plant growth by causing cells to grow longer.

a)

Cytokines

b)

Gibberellins

c)

Cytokinins

d)

Auxins

101.

Applying the hormone _____________________ to plants can dramatically increase the growth of stems and leaves.

a)

gibberellin

b)

cytokinin

c)

auxins

d)

ethylene

102.

______________________ increases the rate of cellular division and in some plants can slow the aging process of flowers and fruits.

a)

Gibberellins

b)

Cytokinins

c)

Auxins

d)

Ethylene

103.

The growth of a plant toward or away from light is called_______________________.

a)

tropism

b)

phototropism

c)

photoperiodism

d)

photons

104.

______________________ is a plant's response to the number of hours of darkness in the environment.

a)

Phototropism

b)

Photoperiodism

c)

tropism

d)

phtons

105.

Roots growing downward is an example of ___________________ gravitropism.

a)

neutral

b)

negative

c)

positive

d)

all choices are correct

106.

The upward growth of a plant's stem is ________________________ gravitropism.

a)

neutral

b)

negative

c)

positive

d)

all choices are correct

107.

A plan'ts leaves and stems growing towards the light is an example of _____________________ phototropism.

a)

neutral

b)

negative

c)

positive

d)

all choices are correct

108.

A ______________________ is an example of a long day plant.

a)

carnation

b)

poinsettia

c)

rose

d)

None of these are correct.

109.

A ______________________ is an example of a short-day plant.

a)

carnation

b)

poinsettia

c)

rose

d)

None of these are correct.

110.

A _________________ is an example of a day-neutral plant.

a)

carnation

b)

poinsettia

c)

rose

d)

All choices are correct

111.
Which part may develop into a fruit?
a)
E
b)
D
c)
C
d)
A
112.
The tip of the style that has sticky hairs to trap pollen is the ___.
a)
stamen
b)
stigma
c)
ovary
d)
style
113.
The part of the stamen that produces pollen grains is the ___.
a)
anther
b)
pistil
c)
filament
d)
ovary
114.
The male reproductive structure of a flower is the ___.
a)
pistil
b)
ovary
c)
stamen
d)
ovule
115.
All of the following are examples of seed dispersal except:
a)
wind
b)
volcanic eruptions
c)
physical movement (rolling)
d)
animals droppings
116.
The part of the flower on which the pollen grains land.
a)
anther
b)
stamen
c)
style
d)
stigma
117.
The part of a flower that produces the male reproductive cells.
a)
anther
b)
style
c)
stigma
d)
filament
118.
Which part produces pollen?
a)
A
b)
B
c)
C
d)
E
119.
Pollination can occur between flowers of the same plant. 
a)
True 
b)
False 
120.
What is the function of nectar?
a)
To provide food for the flower
b)
To attract pollinators
c)
To attract animals to disperse the fruits
d)
To produce perfumes for Man
121.
Pollination is the process by which pollen
a)
causes people to sneeze
b)
is formed inside a plant
c)
moves from stamen to stigma
d)
moves from stigma to stamen
122.
What is seed dispersal?
a)
plant reproduction
b)
ability of plants to make food
c)
moving seeds to a new location
d)
adaptation of plants to produce more seeds
123.
What is this a picture of?
a)
Pistil
b)
Stamen
c)
Stigma
d)
Ovule
124.
Brightly colored parts of flowers that attract insects.
a)
petals
b)
pistils
c)
stamen
d)
filaments
125.
Small grains that contain a plant's male reproductive cells.
a)
stamen
b)
pollen
c)
anther
d)
stigma
126.
What is the female part of the flower used during reproduction?
a)
Pistil
b)
Petal
c)
Stigma
d)
Stamen
127.
What is the male part of the flower used during reproduction?
a)
Pistil
b)
Stigma
c)
Stamen
d)
Pollination
128.
How many parent(s)are needed for asexual?
a)
4
b)
1
c)
9
d)
100
129.
Requires two parents
a)
sexual reproduction
b)
asexual reproduction
130.
The stalk connecting the ovaries and stigmas.
a)
filament
b)
pistil
c)
style
d)
anther
131.

Which type of plant produces a seed without a flower?

a)

conifer

b)

moss

c)

fern

d)

dandelion

132.

The alternation of generations occurs when the life cycle of an organism alternates between _____________________.

a)

flowering and non-flowering plants

b)

seedless and seed-producing plants

c)

haploid and diploid generations

d)

seedless flowering plants and seed flowering plants

133.

Which of the following is always true about a fruit?

a)

It contains a seed.

b)

It is edible (meaning that it can be eaten).

c)

It is colorful and juicy.

d)

All choices are correct.

134.

_____________________________ develop into the haploid generation of seedless plants.

a)

Seeds

b)

Fruit

c)

Spores

d)

Cones

135.

________________________ consists of an embryo, a supply of food, and a protective covering.

a)

spores

b)

seeds

c)

fruits

d)

cones

136.

A __________________ is the reproductive structure of the most common gymnosperms, conifers.

a)

spore

b)

fruit

c)

cone

d)

seed

137.

Mosses and ______________ are seedless plants that show an alternation of generation.

a)

pines

b)

firs

c)

blackberries

d)

ferns

138.

After fertilization, the ovary of a flower develops into a(n) that contains seeds.

a)

cone

b)

seed

c)

spore

d)

fruit

139.

Which statement describes a characteristic of gymnosperms?

a)

They produce spores

b)

They produce colorful flowers.

c)

They produce horizontal stems called stolons.

d)

They produce seeds that are not surrounded by fruit.

140.

A haploid moss plant produces sperm and egg cells that unite during fertilization to create a ___________________.

a)

diploid seed.

b)

diploid spore.

c)

diploid stolon

d)

diploid zygote.

141.

Seedless plants, such as mosses, have a generation that reproduces using

a)

spores.

b)

pollen.

c)

flowers

d)

cones

142.

What is the difference between a gymnosperm and an angiosperm?

a)

gymnosperms have cones that come from flowers and angiosperms do not

b)

gymnosperms have cones that do not come from flowers but have seeds and angiosperms do not

c)

gymnosperms are exactly like angiosperms, they just produce fruit that surrounds the seeds

d)

gymnosperms produce fruit and angiosperms do not

143.

7. All seed plants have ________________.

a)

cones.

b)

flowers.

c)

ovules.

d)

fruit.

144.

Your friend says she saw a large patch of moss plants growing on the side of a tree. Infer whether she saw the haploid or diploid stage of these plants ? pg. 61 in textbook

a)

diploid

b)

haploid

c)

both diploid and haploid

d)

None are correct.

145.

The haploid structures of a fern plant grow from

a)

eggs

b)

seeds

c)

spores.

d)

zygotes.

146.

Which fruit has seeds on the outside?

a)

strawberry

b)

corn

c)

pea

d)

cones

147.

We usually refer to corn and peas as being vegetables, but they are actually fruits.

a)

true

b)

false

148.

The common use of the word generation is the span of time between the birth of parents and their offspring. The science use of the term in plant reproduction, is the difference between the haploid and diploid stages in it's life cycle.

a)

True

b)

False

149.

How does the moistness of the environment help mosses and ferns reproduce.

a)

They just grow better that way.

b)

The sperm must swim through a film of water to reach an egg.

c)

The water picks up a fern or moss seed and disperses them downstream.

d)

None of these choices are correct.

150.

The ______________ generation begins with fertilization and the haploid generation begins with _______________.

a)

haploid;diploid

b)

spores;zygotes

c)

diploid;haploid

d)

spores;seed

151.
The smallest unit of matter is ________.
a)
the cell
b)
an atom
c)
a compound
d)
an element
152.
The smallest living thing is ______.
a)
the cell
b)
an atom 
c)
a compound
d)
an elelement
153.
A compound is a molecule consists of 2 or more ________.
a)
cells
b)
atoms
c)
element
d)
mixture
154.
Organic Compounds are made of these two elements: 
a)
helium and carbon
b)
neon and cobalt
c)
hydrogen and carbon
d)
carbon and calcium
155.
A _______ is the smallest unit of matter.
a)
cell
b)
atom
c)
compound
d)
organ
156.
what are the types of Hydrocarbons
a)
Saturated and  Unsaturated
b)
Natural and unnatural 
c)
Long chains and small chains
157.
What is a hydrocarbon that contains only single bonds called? 
a)
organic  
b)
saturated
c)
unsaturated
d)
fully bonded
158.
Which is more useful, long or short hydrocarbons 
a)
Short
b)
Long
159.
Saturated hydrocarbons contain single bonds and double bonds
a)
True
b)
False
160.
Compounds that have the same molecular formula but different structural arrangements are called...
a)
isomers
b)
hydrocarbon
c)
compound
d)
covalent bond
161.

Carbon is unique because of its ability to ___________________.

a)

become reactive at any temperature

b)

melt at a very low temperature

c)

form millions of compounds

d)

freeze at mild temperatures

162.

An organic compound contains carbon atoms bonded to at least one____________ atom.

a)

hydrogen

b)

oxygen

c)

helium

d)

methane

163.

A carbon atom must have _________ additional electrons to be stable.

a)

one

b)

two

c)

three

d)

four

164.

Buckyballs and nanotubes belong to a group of carbon compounds known as ________________________.

a)

diamonds

b)

isomers

c)

fullerenes

d)

graphite

165.

Which types of bonds can carbon atoms form with each other?

a)

single, double, or triple bonds

b)

single and double bonds only

c)

double and triple bonds only

d)

single bonds only

166.

__________________ indicates how many carbon atoms are in one molecule of a hydrocarbon

a)

prefix of a hydrocarbon name

b)

root of a hydrocarbon name

c)

suffix of a hydrocarbon name

d)

None of the above

167.

______________________ indicates the types of bonds in a hydrocarbon chain.

a)

suffix of a hydrocarbon name

b)

root of a hydrocarbon name

c)

prefix of a hydrocarbon name

d)

None of the above.

168.

__________________ is sometimes added to indicate structure of a hydrocarbon.

a)

suffix of a hydorcarbon name

b)

root of a hydrocarbon name

c)

prefix of a hydrocarbon name

d)

None of the above.

169.

A hydrocarbon with only single bonds is said to be _________________________.

a)

saturated

b)

unsaturated

c)

covalent

d)

ionic

170.

A hydrocarbon with one or more double or triple bonds is said to be _____________________.

a)

unsaturated

b)

saturated

c)

covalent

d)

ionic

171.

The outermost orbital is called the ________________ shell.

a)

balance

b)

valence

c)

nuclear

d)

None of the above

172.

How many electrons are in a stable carbon's outermost shell?

a)

2

b)

4

c)

6

d)

8

173.

What is the atomic number for Carbon?

a)

2

b)

4

c)

6

d)

8

174.

How many protons does carbon have?

a)

2

b)

4

c)

6

d)

8

175.

What is the maximum amount of electrons that the first orbital can hold?

a)

2 electrons

b)

4 electrons

c)

6 electrons

d)

8 electrons

176.

What is the maximum number of electrons that the second orbital can hold?

a)

2 electrons

b)

4 electrons

c)

6 electrons

d)

8 electrons

177.

Carbon can bond to other carbon atoms in multiple ways and configurations.

a)

True

b)

False

178.

What is the atomic number of hydrogen?

a)

1

b)

2

c)

3

d)

4

179.

What group does carbon belong to on the periodic table?

a)

1

b)

12

c)

14

d)

16

180.

What group does hydrogen belong to on the periodic table?

a)

1

b)

12

c)

14

d)

18

181.

Carbon is a metal.

a)

True

b)

False

182.

Hydrogen is a gas.

a)

True

b)

False

183.

Hydrogen is a nonmetal.

a)

True

b)

False

184.

In it's natural state, carbon is a liquid.

a)

True

b)

False

185.

_________________ is used to make many synthetic polymers

a)

Petroleum

b)

Ethanol

c)

Methanol

d)

Caroxyl

186.

Petroleum is used to make many synthetic_______________.

a)

monomers

b)

ethanols

c)

propenes

d)

polymers.

187.

A polymer is made of many ________________ covalently bonded together, forming a long chain.

a)

ethanols

b)

methanols

c)

monomers

d)

hydroxyls

188.

A molecule that forms a pyramidal shape is called a(n)______________________ molecule.

a)

planar

b)

linear

c)

tetrahedral

d)

cyclical ring

189.

A(n) _______________________ is a long chain of covalently bonded organic molecules.

a)

polymer

b)

monomer

c)

planer

d)

linear

190.

Adding a(n)_____________ group to a carbon compound will form an alcohol.

a)

carobxyl

b)

hydroxyl

c)

halide

d)

amino

191.

The compound __________________ is an example of a substituted hydrocarbon.

a)

ethanol

b)

ethane

c)

methane

d)

butyne

192.

The compound __________________ is an example of a substituted hydrocarbon.

a)

octane

b)

ethane

c)

citric acid

d)

propane

193.

Methylamine is found in ____________________.

a)

petroleum

b)

citric acid

c)

cheese

d)

methane

194.

Methylamines are part of which functional group?

a)

hydroxyl

b)

halide

c)

carboxyl

d)

amino

195.

What element bonds with the methane molecule to create bromomethane?

a)

bromine

b)

methylamine

c)

methane

d)

ethane

196.

Bromine is part of which functional group?

a)

hydroxyl

b)

halide

c)

carboxyl

d)

amino

197.

What is the name of the functional group that forms a carboxylic acid?

a)

hydroxyl

b)

halide

c)

carboxyl

d)

amino

198.

__________________ are examples of carboxylic acids.

a)

citric acid

b)

methanoic acid

c)

ethanoic acid

d)

All of the above.

199.

A(n) __________________- group is formed when an amino group is added to a hydrocarbon.

a)

ethene

b)

methene

c)

amine

d)

All of the above

200.

___________________ is an everyday application of the use of polymers.

a)

coating for nonstick pans

b)

pvc pipes

c)

bank notes

d)

All of the above

201.

______________________ is the chemical process in which small organic molecules, or ________________ bond together to form a chain.

a)

monomer, polymer

b)

polymerization, monomers

c)

polymer, monomer

d)

polymerization, polymers

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