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Worksheets

Question Bank for Grade 7 Science

Total questions: 157

Worksheet time: 2hrs 16mins

Name
Class
Date
1.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

2.

ATTTGAGCC- Original

ATTGAGCC - Mutated

The example above is an example of a

a)

Insertion

b)

Point mutation

c)

Deletion

d)

Substitution

3.

Mutations are random.

a)

True

b)

False

4.

Mutations are SOMETIMES helpful to the organism.

a)

true

b)

false

5.

True or false, mutations create genetic diversity?

a)

True

b)

False

6.

Identify which of the following is a genetic mutation disease..

a)

Common head cold

b)

Cystic fibrosis

c)

Heart attack

d)

Chicken pox

7.
What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift 
8.
Which of the following would result in a frameshift mutation?
a)
Insertions only
b)
Substitution only
c)
Deletion only
d)
Insertions and Deletions
9.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

10.
What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift 
11.
Why are insertion and deletion (frameshift) mutations so harmful?
a)
They change all of the codons from the mutation on down the line, which changes the amino acid sequence
b)
They insert things that an organism doesn't need.
c)
They often delete things that organisms need.
d)
Insertion and deletions are not any more harmful than substitution mutations.
12.
The survival of a species depends on its ability to adapt to changes in the environment. Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment?
a)
Mutations are a source of variation in the species
b)
Mutations are the cause of disease in the species
c)
Mutations are not harmful when they occur in somatic cells
d)
Mutations are always passed on to subsequent generations
13.

Genetic mutations can be...

a)

beneficial, harmful, or neutral

b)

beneficial only

c)

harmful only

d)

neutral only

14.

Would a mutation in the DNA of a skin cell be passed on to an organism's offspring?

a)

Yes, because any change to the DNA is passed on to the offspring

b)

Maybe. Sex cells only use half of the body's genetic code. It might get the copy of a gene that wasn't mutated.

c)

No. Only mutations that occur in the gametes (sex cells) are passed on to the offspring

d)

Without knowing the animal, it would be hard to tell whether or not the mutation would be passed on.

15.

What type of mutation is shown in the diagram?

a)

Point mutation - missense

b)

Frameshift Mutation - deletion

c)

Frameshift Mutation - addition

d)

Point mutation - nonsense

16.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
17.

Which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

18.

What are the building blocks of proteins called?

a)

DNA

b)

RNA

c)

Ribosomes

d)

Amino Acids

19.

DNA molecule segment is : TTA-CGC-AAG

The mutated DNA segment is TTC-GCA-AG. This is an example of ___ mutation.

a)

Substitution

b)

Deletion

c)

Insertion

d)

Inversion

20.
Are all mutations bad?
a)
Yes
b)
No
c)
Maybe?
21.

What is the building block of DNA

a)

Monosaccharide

b)

Amino Acid

c)

Fatty Acid

d)

Nucleotide

22.
What pairs with Adenine (A)? 
a)
Guanine (G)
b)
Cytosine (C)
c)
Adenine (A)
d)
Thymine (T)
23.
What pairs with Guanine (G)?
a)
Adenine (A)
b)
Thymine (T)
c)
Cytosine (C)
d)
Guanine (G)
24.
What pairs with Thymine (T)?
a)
Adenine (A)
b)
Thymine (T)
c)
Guanine (G)
d)
Cytosine (C) 
25.
What pairs with Cytosine (C)?
a)
Guanine (G)
b)
Cytosine (C)
c)
Adenine (A)
d)
Thymine
26.
What are the three types of mutation? 
a)
Insertion, Deletion, Subsitution
b)
Deletion, Newstion, Subsitution 
c)
Newstion, Deletion, Insertion 
d)
Insertion, Newstion, Substitution 
27.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
28.
Which of the following is an example of a hurtful mutation? 
a)
Developing cancer
b)
Makes the organism faster
c)
Makes the organism a predator 
d)
Develops sharp claws
29.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
30.
A frameshift mutation can occur with either _________ or __________ mutations.
a)
Addition, division
b)
Deletion, substitution
c)
Addition, substitution
d)
Addition, deletion
31.
The impact on the planet due to global warming is called...
a)
climate change
b)
the seasons
c)
the weather
d)
natural change
32.
Any amount of CO2 (Carbon Dioxide) in the atmosphere is bad for our planet.
a)
True
b)
False
33.
The conditions in an area over a long period of time?
a)
Climate
b)
Weather
34.
Changes from minute-to-minute, hour-to-hour, day-to-day
a)
Climate
b)
Weather
35.
Winters in Minnesota frequently experience temperatures below zero.
a)
Climate
b)
Weather
36.
A tornado warning was issued for Kansas City this morning.
a)
Climate
b)
Weather
37.
Texas has long, hot summers.
a)
Climate
b)
Weather
38.
It snowed for three days last week.
a)
Climate
b)
Weather
39.
Increasing quantities of CO2 (Carbon Dioxide) in the atmosphere will cause air temperatures to be _____. 
a)
warmer
b)
cooler
40.
Climate change causes extreme weather conditions such as:
a)
Flooding
b)
Heat Waves
c)
Hurricanes
d)
All of the above
41.
Which of the following is NOT a greenhouse gas?
a)
Carbon dioxide CO2
b)
Methane CH4
c)
Water vapor
d)
Nitrogen N2
42.
The amount of carbon dioxide CO2 in the atmosphere is decreasing. 
a)
True
b)
False
43.
Which human activity contributes the MOST carbon dioxide to the atmosphere?
a)
Fishing
b)
Breathing
c)
Burning Fossil Fuels
d)
Farming
44.
What are greenhouse gases?
a)
gases that cause climate change
b)
gases that emit green smoke
c)
gases that are used to make green colored glass
45.
Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?
a)
the hole in the ozone
b)
the greenhouse effect
c)
atmospheric pressure
d)
the inversion layer
46.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)
lower levels of ozone in the atmosphere
b)
lower levels of nitrogen in the atmosphere
c)
higher levels of carbon dioxide in the atmosphere
d)
higher levels of oxygen in the atmosphere
47.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
48.
Which of the following gases DOES NOT trap heat?
a)
carbon dioxide
b)
nitrogen
c)
water vapor
d)
methane
49.
Which of the following have been linked to climate change?  
a)
droughts
b)
flooding
c)
melting of polar ice caps
d)
all of the above
50.
Which is a primary energy source used by power plants to generate electricity?
a)
coal
b)
wood
c)
gasoline
d)
batteries
51.
Some greenhouse gases are naturally present in the Earth's atmosphere
a)
True
b)
False
52.
Which of the following is contributing to an increase in carbon dioxide in the atmosphere?
a)
deforestation
b)
photosynthesis
c)
oceans
d)
all of the above
53.
Things you can do to help decrease global warming include:
a)
Eat more ice cream.
b)
Keep your freezer door open.
c)
Keep your air conditioner on high.
d)
Turn off your lights when you’re not using them.
54.
Melting of glaciers and polar ice caps....
a)
will result in cooler temperatures in the Arctic
b)
will result in sea-levels rising
c)
Will have no effect on ecosystems
d)
None of the above
55.
What is the average weather for a particular time and region called?
a)
drought
b)
weather
c)
emissions
d)
climate
56.
Carbon is stored in
a)
Trees and other living things
b)
Oceans
c)
underground in soil and fossil fuels
d)
All are correct
57.
The warming of the atmosphere by the trapping of heat being radiated to space is called
a)
evaporation
b)
condensation
c)
the greenhouse effect
d)
radiation
58.
The second layer of the atmosphere up from Earth, where the ozone layer is that protects us from harmful UV rays, is the
a)
thermosphere
b)
stratosphere
c)
troposphere
d)
mesosphere
59.
How do scientists collect evidence about climate?  
a)
using remote sensing from space with satellites
b)
by ground-based measurements of surface temperatures, carbon dioxide concentration and sea level
c)
by collecting “proxy data” from tree rings, ice cores, and historical records
d)
all of the above
60.

What do archaea and bacteria have in common?

a)

Their cells have well-defined nuclei

b)

They are multicellular

c)

They are all shaped like rods, spheres, and spirals

d)

Their cells have no nuclei

61.

Why weren't archaea classified in their own kingdom until recently?

a)

Because scientists believed they were animals

b)

Because scientists didn't know they existed

c)

Because scientists didn't believe they were different from bacteria

d)

Because scientists were still using Aristotle's classification system

62.

How are fungi different from plants?

a)

Plants make their own food; fungi don't

b)

Plants grow from the earth; fungi don't

c)

Plants have stems, fungi don't

d)

Fungi reproduce asexually, plants cannot

63.

If you wanted to find archaea, where would you look? Choose the best answer.

a)

Inside your intestines

b)

On the forest floor

c)

In trenches at the bottom of the ocean

d)

On the leaves of plants

64.

Where can you find cellulose?

a)

In the genetic material of archaea

b)

In the cell membranes of animals

c)

In the cell walls of plants

d)

In the nuclei of protists

65.
I am a prokaryote and live where others can't. What kingdom do I belong to?
a)
Animalia
b)
Archaebacteria
c)
Eubacteria
d)
Protista
66.
I am a eukaryote, photosynthetic, and autotrophic. What kingdom do I belong to?
a)
Archaebacteria
b)
Plantae
c)
Protista
d)
Eubacteria
67.
I am a eukaryote, microscopic, and unicellular. What kingdom do I belong to?
a)
Animalia
b)
Fungi
c)
Plantae
d)
Protista
68.
I am eukaryotic, able to move and have no cell walls. What kingdom do I belong to?
a)
Animalia
b)
Archaebacteria
c)
Eubacteria
d)
Fungi
69.
I am prokaryotic and am found everywhere. What kingdom do I belong to?
a)
Eubacteria
b)
Archaebacteria
c)
Fungi
d)
Protista
70.
I have cell walls
I am an autotroph
I am multicellular
What am I?
a)
Plant
b)
Animal
c)
Eubacteria
d)
Unicorn
71.
I can be either a heterotroph or an autotroph-
I can be either multicellular or unicellular-
I can have cell walls or not-
The only thing for sure about me is that I have a nucleus in my cells...
I am Kingdom ____________ .
a)
Plantae
b)
Protista
c)
Animalia
d)
of Oz
72.
A cell with nucleus
a)
Autotrophic
b)
Prokaryotic
c)
Eukaryotic
d)
Heterotrophic
73.
All of the following have a nucleus except...
a)
Bacteria
b)
Animalia
c)
Plantae
d)
Protista
74.
Is fungi autotrophic or heterotrophic?
a)
Autotrophic, they make their own food
b)
Hetertrophic, they get food from other organisms
75.
What is the difference between unicellular and multicellular?
a)
They are the same
b)
One has a nucleus and one doesn't
c)
Unicellular has one cell and multicellular has many 
d)
One is bacteria and the is archaebacteria
76.
How many kingdoms are there?
a)
2
b)
4
c)
6
d)
8
77.
Examples are mushrooms and yeast
a)
Fungi
b)
Protista
Protista
c)
Plantae
d)
Animalia
78.
What kingdoms are PROKARYOTIC?
a)
plant and animal
b)
protist and fungus
c)
archaebacteria and eubacteria
d)
archaebacteria and protist
79.
Animals need to eat other organisms for food. This classifies them as:
a)
Heterotrophs
b)
Autotrophs
c)
Eukaryotic
d)
Prokaryotic
80.
Eubacteria
a)
have a nucleus
b)
are true bacteria
c)
live in extreme locations
d)
are large
81.
What does the word eukaryote mean?
a)
A cell with a nucleus
b)
A cell with DNA
c)
A cell with a cell membrane
d)
A cell without a nucleus
82.
What type of cells do we have?
a)
Prokaryote
b)
Semiaryote
c)
Negaaryote
d)
Eukaryote
83.
Another name for producers
a)
heterotroph
b)
consumer
c)
productive
d)
autotrophs
84.
I am unicellular
I am prokaryotic
I am found in extreme ecosystems
What kingdom do I belong to?
a)
The Candy Kingdom
b)
Kingdom Plantae
c)
Kingdom Animalia
d)
Kingdom Archaebacteria
85.
Which kingdom is prokaryotic?
a)
Animalia
b)
Archaebacteria
c)
Planta
d)
Fungi
86.
All of the following have a nucleus except...
a)
Bacteria
b)
Animalia
c)
Plantae
d)
Protista
87.
When DNA is contained in a nucleus the cell is
a)
Eukaryotic
b)
Prokaryotic
c)
Unicellular
d)
Multicellular
88.
Do prokaryotes have a nucleus? 
a)
yes
b)
no
89.
Paramecium, Amoeba, and Euglena (the 3 amigos) are organisms found in kingdom ___________.
a)
Bacteria
b)
Protista
c)
Plantae
d)
Animalia
90.
When DNA is contained in a nucleus, the cell is...
a)
eukaryotic
b)
prokaryotic
c)
unicellular
d)
multicellular
91.
Eubacteria
a)
have a nucleus
b)
are true bacteria
c)
live in extreme locations
d)
are large
92.

Main function is to eliminate wastes from the body.

a)

Skeletal System

b)

Nervous System

c)

Muscular System

d)

Excretory System

e)

Reproductive System

93.

Main Function is to transport nutrients and oxygen to the cells and to take wastes away from the cells.

a)

Integumentary System

b)

Respiratory System

c)

Digestive System

d)

Circulatory System

e)

Endocrine System

94.

Main function is to break down food into nutrients.

a)

Integumentary System

b)

Respiratory System

c)

Digestive System

d)

Circulatory System

e)

Endocrine System

95.

Main function is to cover and protect the human body.

a)

Integumentary System

b)

Respiratory System

c)

Digestive System

d)

Circulatory System

e)

Endocrine System

96.

Main function is to provide movement for the human body

a)

Skeletal System

b)

Nervous System

c)

Muscular System

d)

Excretory System

e)

Reproductive System

97.

Main function is to control all of the body's functions and processes

a)

Skeletal System

b)

Nervous System

c)

Muscular System

d)

Excretory System

e)

Reproductive System

98.

Main function is to provide a framework, shape, or support for the human body.

a)

Skeletal System

b)

Nervous System

c)

Muscular System

d)

Excretory System

e)

Reproductive System

99.

Main function is to regulate and control various body processes by using special chemicals called hormones.

a)

Integumentary System

b)

Respiratory System

c)

Digestive System

d)

Circulatory System

e)

Endocrine System

100.

Main function is to take in oxygen and get rid of carbon dioxide.

a)

Integumentary System

b)

Respiratory System

c)

Digestive System

d)

Circulatory System

e)

Endocrine System

101.

Main function is to produce new members of the species (offspring)

a)

Skeletal System

b)

Nervous System

c)

Muscular System

d)

Excretory System

e)

Reproductive System

102.
Which organ system includes the trachea, bronchi, lungs, and alveoli?
a)
Digestive system
b)
Circulatory system
c)
Respiratory system
d)
Endocrine system
103.
Which organ system includes the heart, blood vessels, and blood?
a)
Digestive system
b)
Circulatory system
c)
Respiratory system
d)
Endocrine system
104.
Which organ system includes the esophagus, stomach, small intestines, and large intestines?
a)
Digestive system
b)
Circulatory system
c)
Respiratory system
d)
Endocrine system
105.
Which organ system includes the brain, spinal cord, and nerves?
a)
Nervous system
b)
Muscular system
c)
Skeletal system
d)
Excretory system
106.
Which organ system includes the kidneys, ureters, bladder, and urethra?
a)
Endocrine system
b)
Muscular system
c)
Skeletal system
d)
Excretory system
107.
Which organ system includes the ligaments, tendons, cartilage, and bones?
a)
Nervous system
b)
Muscular system
c)
Skeletal system
d)
Excretory system
108.
Which organ system includes the skin, hair, and nails?
a)
Nervous system
b)
Integumentary system
c)
Skeletal system
d)
Excretory system
109.
Which organ system delivers oxygen and nutrients to all of the body's cells?
a)
Nervous system
b)
Integumentary system
c)
Respiratory system
d)
Circulatory system
110.
Which organ system controls major body functions, muscular movements, and responses?
a)
Nervous system
b)
Integumentary system
c)
Respiratory system
d)
Circulatory system
111.
Which organ system secretes sweat to help regulate body temperature?
a)
Nervous system
b)
Integumentary system
c)
Endocrine system
d)
Circulatory system
112.
Which organ system produces force and movement?
a)
Respiratory system
b)
Muscular system
c)
Digestive system
d)
Skeletal system
113.
Which organ system stores calcium, makes new blood cells, and protects internal organs?
a)
Respiratory system
b)
Muscular system
c)
Digestive system
d)
Skeletal system
114.
Which organ system breaks down food into small molecules and absorbs nutrients into the bloodstream?
a)
Respiratory system
b)
Muscular system
c)
Digestive system
d)
Skeletal system
115.
Which organ system removes metabolic wastes from the bloodstream?
a)
Excretory system
b)
Reproductive system
c)
Nervous system
d)
Endocrine system
116.
When you are dehydrated, the hypothalamus and pituitary gland release a hormone into the bloodstream that causes the kidneys to put less water into the urine. Which organ systems interact during this action?
a)
Circulatory - Integumentary - Reproductive
b)
Endocrine - Circulatory - Excretory
c)
Excretory - Reproductive - Nervous
d)
Muscular - Endocrine - Respiratory
117.
Maria has been feeling tired.  She went to the doctor and discovered she has anemia (a condition in which the blood doesn't have enough healthy red blood cells).  What body system is impacted the MOST by her condition?
a)
Circulatory system
b)
Digestive system
c)
Excretory system
d)
Nervous system
118.
Juan has been coughing and has been having trouble breathing.  He goes to the doctor and discovers he has pneumonia (Infection that inflames air sacs in one or both lungs, which may fill with fluid.)  What body system is impacted the MOST by his condition?
a)
Muscular system
b)
Respiratory system
c)
Endocrine system
d)
Digestive system
119.
Kevin has a severe headache and stiff neck.  He goes to the doctor and discovers he has meningitis (Inflammation of brain and spinal cord membranes, typically caused by an infection).  What body system is impacted the MOST by his condition?
a)
Nervous system
b)
Digestive system
c)
Respiratory system
d)
Circulatory system
120.
Jill had extreme pain in her lower back.  At the doctor, she was told she had pyelonephritis (inflammation of the kidney due to a bacterial infection).What body system is impacted the MOST by her condition?
a)
Excretory system
b)
Muscular system
c)
Nervous system
d)
Reproductive system
121.
Lauren had pains in her abdomen and, after some tests, her doctor determined she had a stomach ulcer (a sore that develops on the lining of the esophagus, stomach, or small intestine).  What body system is impacted the MOST by her condition?
a)
Digestive system
b)
Respiratory system
c)
Circulatory system
d)
Integumentary system
122.
In his teenage years, KC had lots of pimples.  At a dermatologist, he was diagnosed with acne (a skin condition that occurs when hair follicles plug with oil and dead skin cells).  What body system was impacted the MOST by his condition?
a)
Integumentary system
b)
Nervous system
c)
Digestive system
d)
Reproductive system
123.
Tube that carries food from mouth to stomach
a)
Stomach
b)
Large Intestine
c)
Small Intestine
d)
Esophagus
124.
What are the chemicals produced by the endocrine system? 
a)
enzymes
b)
target tissue
c)
hormones
d)
saliva 
125.
Which organ system is the heart part of?
a)
Respiratory System
b)
Circulatory System
c)
Nervous System
d)
Digestive System
126.
Which among the different systems in our body is known as "the internal transport system"?
a)
Respiratory System
b)
Excretory System
c)
Cardiovascular System
d)
Nervous System
127.

What is the body's first line of defense against infection by foreign organisms?

a)

antibodies

b)

lymph nodes

c)

white blood cells

d)

the skin

128.

What is the main function of this system?

a)

To transport nutrients and oxygen to the cells and remove wastes and carbon dioxide from the cells.

b)

To break food down mechanically and chemically into nutrients that can be absorbed into the bloodstream.

c)

To control all the functions and processes of the body..

d)

To provide movement for the body and its organs.

e)

To provide framework and support for the human body.

129.

What is the main function of this system?

a)

To transport nutrients and oxygen to the cells and remove wastes and carbon dioxide from the cells.

b)

To break food down mechanically and chemically into nutrients that can be absorbed into the bloodstream.

c)

To control all the functions and processes of the body..

d)

To provide movement for the body and its organs.

e)

To provide framework and support for the human body.

130.

What is the main function of this system?

a)

To transport nutrients and oxygen to the cells and remove wastes and carbon dioxide from the cells.

b)

To break food down mechanically and chemically into nutrients that can be absorbed into the bloodstream.

c)

To control all the functions and processes of the body..

d)

To provide movement for the body and its organs.

e)

To provide framework and support for the human body.

131.

What is the main function of this system?

a)

To transport nutrients and oxygen to the cells and remove wastes and carbon dioxide from the cells.

b)

To break food down mechanically and chemically into nutrients that can be absorbed into the bloodstream.

c)

To control all the functions and processes of the body..

d)

To provide movement for the body and its organs.

e)

To provide framework and support for the human body.

132.

What is the main function of this system?

a)

To transport nutrients and oxygen to the cells and remove wastes and carbon dioxide from the cells.

b)

To break food down mechanically and chemically into nutrients that can be absorbed into the bloodstream.

c)

To control all the functions and processes of the body..

d)

To provide movement for the body and its organs.

e)

To provide framework and support for the human body.

133.

What is the main function of this system?

a)

To regulate body processes through the use of hormones.

b)

To take in oxygen and release carbon dioxide.

c)

To produce a new generation of offspring.

d)

To provide cover and protection for the human body.

e)

To clean wastes from the blood and eliminate wastes from the body.

134.

What is the main function of this system?

a)

To regulate body processes through the use of hormones.

b)

To take in oxygen and release carbon dioxide.

c)

To produce a new generation of offspring.

d)

To provide cover and protection for the human body.

e)

To clean wastes from the blood and eliminate wastes from the body.

135.

What is the main function of this system?

a)

To regulate body processes through the use of hormones.

b)

To take in oxygen and release carbon dioxide.

c)

To produce a new generation of offspring.

d)

To provide cover and protection for the human body.

e)

To clean wastes from the blood and eliminate wastes from the body.

136.

All of the following are properties of liquids EXCEPT

a)

Fluidity

b)

Viscosity

c)

Definite shape

d)

Definite volume

137.

What is one difference between ice and liquid water?

a)

Liquid water is not fluid whereas solid water is fluid.

b)

The particles in solid water and liquid water vibrate at the same rate.

c)

The particles in solid water move freely while liquid water particles barely move.

d)

The particles in solid water have a fixed arrangement whereas the particles in a liquid water are free to move.

138.

Which of the following describes the process of freezing?

a)

Freezing occurs when the particles of a liquid slow down and take fixed positions.

b)

Freezing occurs when the particles of a solid vibrate so fast that they break free.

c)

Freezing occurs when the temperature drops enough so that a gas turns into a solid.

d)

Freezing occurs when the temperature of any substance drops to 0 degrees Celsius.

139.

The point at which a liquid turns into a gas is called:

a)

freezing point

b)

condensation

c)

boiling point

d)

sublimation point

140.

Particles of which of the following have the greatest thermal energy?

a)

crystalline solid

b)

liquid

c)

gas

d)

amorphous solid

141.

What happens to the particles of a sample of matter as its temperature increases?

a)

The particles grow in size.

b)

The particles become lighter.

c)

The particles melt.

d)

The particles move faster.

142.

What is the boiling point of water?

a)

0 degrees Celsius

b)

32 degrees Celsius

c)

100 degrees Celsius

d)

212 degrees Celsius

143.

At constant pressure, when the temperature of a gas is decreased, what happens to the volume?

a)

It increases

b)

It decreases

c)

It remains constant

d)

It will vary

144.

Solids are states of matter defined by shape and volume. What are the two types of solids?

a)

amorphous and molecular

b)

glass and lattice

c)

ionic and crystalline

d)

crystalline and amorphous

145.

Which substance is NOT a crystalline solid?

a)

glass

b)

salt

c)

sugar

d)

diamond

146.

Which of the following graphs illustrates how temperature changes when a substance moves from a SOLID state of matter to a LIQUID state of matter?

a)
b)
c)
d)
147.

Which substance is a liquid at 90 degrees Celsius?

a)

water

b)

ethanol

c)

bromine

d)

radon

148.

At which of the following temperatures is Radon a solid?

a)

79 degrees Celsius

b)

negative 10 degrees Celsius

c)

0 degrees Celsius

d)

negative 84 degrees Celsius

149.

Which of the following represents Ethanol's molecules when the temperature increases from 60 degrees Celsius to 80 degrees Celsius?

a)
b)
c)
d)
150.

All of these are true about Thomson’s Plum Pudding model EXCEPT?

a)

Thomson’s Model was a sphere with a positive and negative charge.

b)

Thomson’s Model was a sphere with no charge.

c)

Thomson’s Model expressed electrons as negative plums and protons as positive pudding.

d)

Thomson’s Model advanced Dalton’s original theory.

151.

How did Rutherford’s Model help us understand where the nucleus is located?

a)

The nucleus is located in the center of the atom because particles bounced off of the foil.

b)

The nucleus is located outside of the atom because all the particles went through the foil.

c)

The nucleus is located in the center of the atom because all the particles went through the foil.

d)

The nucleus is located outside the atom because particles bounced off of the foil.

152.

Rutherford’s model of the atom concentrated on the nucleus while Bohr’s model focused on the:

a)

Hadrons

b)

Protons

c)

Neutrons

d)

Electrons

153.

Which of the following represents Water's molecules when the temperature DECREASES from 150 degrees Celsius to 80 degrees Celsius.

a)
b)
c)
d)
154.

Which of the following graphs illustrates how temperature changes when a substance moves from a LIQUID state to a SOLID state.

a)
b)
c)
d)
155.

On a cool morning, a thick fog forms. Through what process does the fog form?

a)

Water vapor in the air condenses into liquid drops.

b)

Drops of water fall from clouds high up in the atmosphere.

c)

Liquid water on the ground evaporates into drops in the air.

d)

Air particles change into water molecules as they lose energy.

156.

Homer's glasses are dirty and he doesn't have any cleaner. He breathes on the lenses and the glasses fog. What process causes the glasses to fog.

a)

evaporation

b)

condensation

c)

precipitation

d)

freezing

157.

At which of the following temperatures is Ethanol a LIQUID?

a)

negative 120 degrees Celsius

b)

negative 150 degrees Celsius

c)

3 degrees Celsius

d)

85 degrees Celsius

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