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Worksheets

Grade 7 First FA Reviewer

Total questions: 190

Worksheet time: 2hrs 8mins

Name
Class
Date
1.

The study of genes and heredity

a)

BOTANY

b)

zoology

c)

genetics

d)

ECOLOGY

2.

the study of plants

a)

zoology

b)

BOTANY

c)

microbiology

d)

ECOLOGY

3.

It is also known as biological science or biology

a)

earth science

b)

physical science

c)

life science

d)

zoology

4.

the study of animals

a)

zoology

b)

astronomy

c)

oceanography

d)

hydrology

5.

the study of the Earth's origin, structure and composition

a)

oceanography

b)

hydrology

c)

astronomy

d)

geology

6.

It deals with the study of the planet Earth including its history, its changes, and its place in the universe.

a)

PHYSICAL SCIENCE

b)

BOTANY

c)

Earth science

d)

biology

7.

PHYSICAL SCIENCE can be divided into specialized areas _______ & ________

a)

Chemistry & Physics

b)

meteorology & hydrology

c)

oceanography & hydrology

d)

astronomy & meteorology

8.

Science is a systimatize knowledge based on nature and facts of ____

a)

Earth

b)

Life

c)

Bio

d)

World

9.

invent useful things to improve people's life

a)

technology

b)

PURE SCIENCE

c)

APPLIED SCIENCE

10.

is a search for knowledge

a)

APPLIED SCIENCE

b)

technology

c)

PURE SCIENCE

11.

What branch of science studies living things?

a)

Life Science

b)

Earth Science

c)

Chemistry

d)

Physical Science

12.

What branch of science studies non-living things like volcanoes?

a)

Chemistry

b)

Physics

c)

Potato Science

d)

Earth Science

13.

What branch of science studies matter and energy?

a)

Earth Science

b)

Physical Science

c)

Biology

d)

Life Science

14.
Why should you study science?
a)
I have no choice.
b)
To learn about the world around me.
c)
What is science?
d)
I never study.
15.

The study of genes and heredity

a)

BOTANY

b)

zoology

c)

genetics

d)

ECOLOGY

16.

the study of the Earth's origin, structure and composition

a)

oceanography

b)

hydrology

c)

astronomy

d)

geology

17.

It deals with the study of the planet Earth including its history, its changes, and its place in the universe.

a)

PHYSICAL SCIENCE

b)

BOTANY

c)

Earth science

d)

biology

18.

Science is the pursuit of knowledge or understanding.

a)

True

b)

False

19.

The application of knowledge for some purpose is technology.

a)

True

b)

False

20.

I am trying to learn how to program a computer. This is _____

a)

Science

b)

Technology

c)

Neither

d)

Both

21.

I am trying different stretchy things to build a really good slingshot. This is _____

a)

Science

b)

Technology

c)

Neither

d)

Both

22.

I am trying find a way to magnify things really big so that I can see cells and understand how they work. This is _____

a)

Science

b)

Technology

c)

Neither

d)

Both

23.

Stair

a)

Science

b)

Technology

c)

Neither

24.

Like poles of magnet repel one another.

a)

Science

b)

Technology

c)

Neither

25.

Sunlight

a)

Science

b)

Technology

c)

Neither

26.

Air has 78% nitrogen.

a)

Science

b)

Technology

c)

Neither

27.

Rubber band

a)

Science

b)

Technology

c)

Neither

28.

Observe and record

a)

Science

b)

Technology

c)

Neither

29.

Save the best for last.

a)

Science

b)

Technology

c)

Neither

30.

Drawing conclusion from data

a)

Science

b)

Technology

c)

Neither

31.

Sponge

a)

Science

b)

Technology

c)

Neither

32.

Solar panel

a)

Science

b)

Technology

c)

Neither

33.

A young girl who sings in front of a stove while cooking will marry a widower.

a)

Superstition

b)

Scientifically based

34.

A marriage solemnized during a full moon will become successful.

a)

Superstition

b)

Scientifically based

35.

You should not look directly at the sun. Otherwise the spirit of the sun will punish you for doing this.

a)

Superstition

b)

Scientifically based

36.

Losing a tooth in a dream is a sign that a relative has died or will die.

a)

Superstition

b)

Scientifically based

37.

If animals become restless, a disaster is coming.

a)

Superstition

b)

Scientifically based

38.

At the end of the rainbow is a pot of gold.

a)

Superstition

b)

Scientifically based

39.

A black cat crossing your path will bring bad luck.

a)

Superstition

b)

Scientifically based

40.

When you lose something, go to a fortune-teller. He/she can tell you where to find it.

a)

Superstition

b)

Scientifically based

41.

If you catch a small fish, throw it back or the spirit of the water will punish you.

a)

Superstition

b)

Scientifically based

42.

If you touch a lizard, you will get warts (Kulugo).

a)

Superstition

b)

Scientifically based

43.

Studies outer space, the solar system, and the objects in it

a)

astronomer

b)

zoologist

c)

ecologist

d)

lepidopterist

e)

paleontologist

44.

Studies dinosaurs and fossils

a)

astronomer

b)

zoologist

c)

ecologist

d)

lepidopterist

e)

paleontologist

45.

Studies animals and the way they interact with their environment

a)

astronomer

b)

zoologist

c)

ecologist

d)

lepidopterist

e)

paleontologist

46.

Studies classification

a)

lepidopterist

b)

biologist

c)

taxonomist

d)

zoologist

e)

biomedical engineer

47.

Studies all forms of life

a)

lepidopterist

b)

biologist

c)

taxonomist

d)

zoologist

e)

biomedical engineer

48.

Studies butterflies and moths

a)

lepidopterist

b)

biologist

c)

taxonomist

d)

zoologist

e)

biomedical engineer

49.

Studies animal life

a)

Biomedical Engineer

b)

Hematologist

c)

Zoologist

d)

Ornithologist

50.

Studies birds

a)

Biomedical Engineer

b)

Hematologist

c)

Zoologist

d)

Ornithologist

51.

Studies blood and its diseases

a)

Biomedical Engineer

b)

Hematologist

c)

Zoologist

d)

Ornithologist

52.

Designs and builds body parts and devices

a)

Ecologist

b)

Biomedical Engineer

c)

Astronomer

d)

Taxonomist

53.

Studies the remains of human life.

a)

Botanist

b)

Archaeologist

c)

Hydrologist

d)

Cell Biologist

e)

Environmentalist

54.

Studies the structure of cells to learn how they function and interact with chemical and physical factors.

a)

Botanist

b)

Archaeologist

c)

Hydrologist

d)

Cell Biologist

e)

Environmentalist

55.

Studies plant life.

a)

Botanist

b)

Archaeologist

c)

Hydrologist

d)

Cell Biologist

e)

Environmentalist

56.

Studies the environment.

a)

Archaeologist

b)

Marine Biologist

c)

Oceanographer

d)

Meteorologist

e)

Environmentalist

57.

Studies the ocean.

a)

Archaeologist

b)

Marine Biologist

c)

Oceanographer

d)

Meteorologist

e)

Environmentalist

58.

Studies the life forms found in the ocean.

a)

Archaeologist

b)

Marine Biologist

c)

Oceanographer

d)

Meteorologist

e)

Environmentalist

59.

Studies water and the water cycle.

a)

Geophysicist

b)

Audiologist

c)

Hydrologist

d)

Virologist

e)

Meteorologist

60.

Studies processes that change and shape the Earth.

a)

Geophysicist

b)

Audiologist

c)

Hydrologist

d)

Virologist

e)

Meteorologist

61.

Studies sound and its properties.

a)

Geophysicist

b)

Audiologist

c)

Hydrologist

d)

Virologist

e)

Meteorologist

62.

Studies volcanoes.

a)

Herpetologist

b)

Geologist

c)

Meteorologist

d)

Virologist

e)

Volcanologist

63.

Studies reptiles and amphibians.

a)

Herpetologist

b)

Geologist

c)

Meteorologist

d)

Virologist

e)

Volcanologist

64.

Studies the atmosphere and weather.

a)

Herpetologist

b)

Geologist

c)

Meteorologist

d)

Virologist

e)

Volcanologist

65.

Studies viruses.

a)

Virologist

b)

Environmentalist

c)

Geologist

d)

Botanist

e)

Hydrologist

66.

Studies rocks, minerals and Earth's land forms.

a)

Virologist

b)

Environmentalist

c)

Geologist

d)

Botanist

e)

Hydrologist

67.

What did Louis Pasteur was most famous for?

a)

discovering vaccinations

b)

pasteurization

c)

proving that microbes cause disease

d)

Inventing penicillin

68.

What did Alexander Fleming discover?

a)

Polio vaccine

b)

Pasteurization

c)

Penicillin

d)

Radio activity

69.

died from overexposure to radiation after discovering the elements radium and curium

a)

Bohr

b)

Mendeleev

c)

Newton

d)

Curie

70.

Being a scientist requires to ask questions?

a)

False

b)

True

71.

Which of these is a quality of a good scientist?

a)

Pretty

b)

skeptical

c)

tall

d)

handsome

72.

What is open-mindedness?

a)

Not willing to consider new ideas.

b)

Willing to copy others.

c)

Willing to go running.

d)

Willing to consider new ideas.

73.

A students closely observes how an ant carry a sugar granules .

a)

Curiosity

b)

Aptitude for serendipity

c)

Good ethics

d)

Healthy skepticism

e)

Perseverance

74.

A good scientist does not give up.

a)

Scientific intuation

b)

Good ethics

c)

Healthy Skepticism

d)

Perseverance

75.

In 1865, German chemist Friedrich August Kekule von Stradonitz dreamt of a snake that ran in circles trying to catch its tail. With this, he was able to propose the molecular structure of benzene.

a)

Curiosity

b)

Aptitude for serendipity

c)

Good ethics

d)

Healthy skepticism

e)

Perseverance

76.

Be truthful with all the results.

a)

Perseverance

b)

Open-mindedness

c)

Intellectual honesty

d)

Good ethics

77.

Scientist s' work should be guided by some moral codes.

a)

Perseverance

b)

Open-mindedness

c)

Intellectual honesty

d)

Good ethics

78.
Which one of the following would you use to separate sand from iron filings?
a)
a bar magnet
b)
filter paper
c)
chromatography paper
d)
alum
79.

This diagram represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture of elements and compounds

80.
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
81.
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
82.
What is a mixture?
a)
elements chemically combined
b)
a combination of different things
c)
it is found on the Periodic Table 
d)
it is made of chemical
83.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
84.
Sand floating in water, but most of the sand is settled at the bottom this an example of which type of mixture?
a)
A solution
b)
A colloid
c)
A suspension
d)
A compound
85.

Which statement below does NOT describe a colloid?

a)

A colloid is a type of heterogeneous mixture

b)

A colloid is a type of solution.

c)

The particles in a colloid do not settle like they do in a suspension.

d)

The particles in a colloid do not dissolve – they are just too small to be seen.

86.

How are suspensions and colloids different?

a)

Suspensions settle out and colloids do not settle.

b)

Colloids settle out and suspensions do not settle.

c)

Suspensions dissolve and colloids do not.

d)

Colloids dissolve and suspensions do not.

87.
The scattering of light by colloids is called ____. 
a)
homogeneous
b)
suspension
c)
air pollution
d)
The Tyndall effect
88.
A substance that contains only one type of atom is a(n)
a)
compound
b)
element
c)
heterogeneous mixture
d)
homogeneous mixture
89.

The particles in both a solution and a colloid can

a)

A. scatter light.

b)

B. settle out.

c)

D. pass through a fine filter.

90.
What is matter?
a)
a pure substance
b)
anything that occupies space and possesses mass
c)
an element
d)
a compound
91.
Which of the following is not a chemical property? 
a)
rusting 
b)
boiling 
c)
rotting 
d)
burning 
92.
Which one of these is a chemical property?
a)
melting point
b)
boiling point
c)
color
d)
flammability
93.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
94.
Which is an example of a physical property?
a)
ability to react with acid
b)
 state of matter
c)
flammability
d)
ability to react with oxygen
95.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
96.
Properties that can be observed without trying to change the identity of the substance.
a)
Physical
b)
Chemical
97.
Which of the following is a chemical change?
a)
human digestion
b)
cutting a tree down
c)
melting a chocolate bar
d)
Has a density of 1 gm/mL
98.

sharpening a pencil

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

99.

flammability of a substance

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

100.

size of an object

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

101.

inflating a tire

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

102.

freezing point

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

103.

corrosion (rusting) of a bicycle frame

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

104.

fragrance of a flower

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

105.

boiling water

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

106.

a burning candle

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

107.

oranges squeezed to make orange juice

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

108.

a change in size, shape, or state of matter

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

109.

a characteristic that indicates whether a substance can change to another substance

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

110.

a change of one substance to another

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

111.

a characteristic that can be observed without changing the substance

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

112.

milk going sour

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

113.
Why is a balloon with air in it heavier than a balloon without air?
a)
it's larger
b)
it has matter in it
c)
it takes up more space
d)
none of the above
114.
Which of these is matter?
a)
energy
b)
air
c)
peace
d)
love
115.
Anything that occupies space and has mass is known as
a)
liquid
b)
air
c)
matter
d)
solid
116.

Which Naterial allows electricity to flow through theme?

a)

Electrical insulator

b)

Heat conductor

c)

Electrical connductor

d)

Heat Insulator

117.

If an object don´t absorve the heat we say it is a great...

a)

Heat conductor

b)

Heat insulator

c)

Miami Heats

d)

Heat point

118.

The temperature at which a substance changes state from liquid to a solid...

a)

Density

b)

Freezing point

c)

Mass

d)

Melting point

119.

A material that allows heat to move through it easily...

a)

Heat isolator

b)

Solubility

c)

Electrical conductor

d)

Heat conductor

120.

The temperature at which a substance changes state from solid to liquid is called?

a)

Boiling point

b)

Freezing point

c)

Melting point

d)

Sublimation point

121.

The amount of space accupied by a substance is called?

a)

Density

b)

MAtter

c)

Volume

d)

Space

122.

Boiling point is the temperatura at which a substance changes state from...

a)

a solid to a gas

b)

a liquid to a gas

c)

a gas to a solid

d)

a liquid to a solid

123.
What is the chemical symbol for Chlorine?
a)
Cl
b)
Ch
c)
Cr
d)
Ce
124.
Which of the following is a chemical compound?
a)
Co
b)
 CO2
c)
Mg
d)
Al
125.
What is the chemical symbol for Potassium?
a)
Po
b)
K
c)
H
d)
P
126.

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is ---

a)

a gas at room temperature.

b)

made of two different elements.

c)

given off by green plants.

d)

useful to human beings

127.

A section of the Periodic Table is shown. What is the Chemical Symbol for Magnesium?

a)

12

b)

Magnesium

c)

24.31

d)

Mg

128.

Compounds are different than elements because compounds are ---

a)

combinations of two or more elements.

b)

not able to be broken down into parts.

c)

made from the same type of atoms.

d)

a pure substance; elements are not.

129.

The smallest particle of any particular type of matter is known by which of the following terms?

a)

Element

b)

Chemical

c)

Atom

d)

Compound

130.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
131.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
132.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
133.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
134.

The chemical symbol of an element always matches the element's name.

a)

Agree

b)

Disagree

135.

Which of the following cannot be broken down into something simpler?

a)

A compound

b)

An element

c)

A mixture

136.

How many elements are in C6H12O6?

a)

1

b)

2

c)

3

d)

6

137.

Which if the following is described as being pure substances?

a)

elements

b)

compounds

c)

elements and compounds

d)

mixtures

138.

Which of the following describes a substance that has been physically combined and is NOT uniform throughout (you see the DIFFERENT parts that make it up)?

a)

Homogeneous Mixture

b)

Compound

c)

Heterogeneous mixture

d)

element

139.

What is the smallest part of a compound that retains the properties of that compound

a)

atom

b)

element

c)

Molecule

d)

mixture

140.

A student is observing a substance that contains multiple element that have been chemically combine C6H12O6(SUGAR). Which of the following best describes what the student is observing?

a)

Heterogeneous Mixture

b)

Homogeneous Mixture

c)

Element

d)

Compound

141.

What is the smallest part of an element that retains the properties of the element?

a)

atom

b)

molecule

c)

compound

d)

subatomic particles

142.

Which two compounds are Ionic bonds?

a)

water(H20)  and rust(Fe2O3)

b)

water(H2O) and carbon dioxide(CO2)

c)

rust(Fe2O3) and salt(NaCl)

d)

oxygen gas(O2) and nitrogen gas(N2)

143.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

144.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

145.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

146.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
d)

Metalloids

147.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
d)

Metalloids

148.
Atoms are most stable when their outer shell is complete.
a)
true
b)
false
149.

This substance can be separated by physical means such as filtering, sifting, and evaporating.

a)

Mixtures

b)

Pure Substances

c)

Elements

d)

Compounds

150.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
151.
What type of bond is this?
a)
ionic
b)
covalent
152.

What type of bonding does this picture show?

a)

Ionic

b)

Covalent

153.
What type of mixture is this?
a)
homogenous mixture
b)
chemical
c)
heterogeneous mixture 
d)
solid mix
154.

What kind of mixture is shown in the picture?

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

155.

When one or more substance is combined CHEMICALLY it is called __________________.

a)

compound

b)

element

c)

mixture

d)

solution

156.
Contains only one kind of atom.
a)
Element
b)

Compound

c)
Mixture
157.

How would you classify this image?

a)

homogeneous mixture

b)

heterogeneous mixture

158.

How would you classify this image?

a)

homogeneous mixture

b)

heterogeneous mixture

159.

What is a pure substance made of 2 or more elements chemically combined in a specific ratio (Ex. Water)?

a)

Element

b)

Compound

c)

Mixture

d)

Solution

160.

What is a type of mixture in which different parts can easily be seen (Ex. Vegetable soup)?

a)

Heterogeneous mixture

b)

Homogeneous mixture

c)

Solution

d)

Colloid

161.

What is a well-mixed mixture containing a solvent and at least one solute that has the same properties throughout (Ex. Sugar water)?

a)

Heterogeneous mixture

b)

Colloid

c)

Suspension

d)

Solution

162.

What is a type of mixture that is evenly mixed so you cannot see the parts and it looks all the same (Ex. Paint)

a)

Element

b)

Compound

c)

Heterogeneous mixture

d)

Homogeneous mixture

163.

What is a pure substance that cannot be broken down into any other substances by chemical or physical means (Ex. Oxygen)?

a)

Element

b)

Compound

c)

Colloid

d)

Suspension

164.

What is a mixture in which particles can be seen seen and settle out over time (Ex. Muddy water)?

a)

Solution

b)

Suspension

c)

Colloid

d)

Element

165.

What is a mixture containing small, undissolved particles that do not settle out over time (Ex. Fog)?

a)

Solution

b)

Suspension

c)

Colloid

d)

Compound

166.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
167.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
168.
Italian Salad Dressing is a . . .
a)
heterogeneous mixture
b)
homogeneous mixture
c)
Pure Substance
d)
Compound
169.
If you change a substance into a new substance...
a)
Partial Change
b)
Physical Change
c)
Chemical Change
d)
Freezing
170.
Changing the phase, size or shape of something....
a)
Chemical change
b)
Physical Change
c)
Suspension
d)
Colloid
171.
Which is NOT a chemical change?
a)
Leaves changing colors in the fall
b)
Iron rusting
c)
Digesting Lunch
d)
Ice Melting
172.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
173.

If the ph value is 5 what is the substance

a)

Acid

b)

Base

c)

Neutral

d)

Sweet

174.

When acid is added to blue litmus paper the colour is

a)

Red

b)

Blue

c)

Green

d)

Yellow

175.

If the soil is acidic what we should do to make it neutral

a)

Add salt

b)

Add acid

c)

Add base

d)

Add sugar

176.

How does base tastes

a)

Sour

b)

Salty

c)

Bitter

d)

Sweet

177.

Which acid is present in your stomach

a)

Naoh

b)

Sulpher

c)

Hcl

d)

Salt

178.

Which acid is present in orange

a)

Tartaric acid

b)

Malic acid

c)

Citric acid

d)

Acitic acid

179.

How does acid tastes

a)

Sweet

b)

Bitter

c)

Salty

d)

Sour

180.

When more water is added to an acid it is _____.

a)

Diluted

b)

Concentrated

c)

Normal

181.

Products of a neutralization reaction are always:

a)

an acid and a base

b)

an acid and a salt

c)

a salt and water

d)

a salt and a base

182.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
183.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
184.

A substance has a pH value of 8. Which answer below best describes that substance?

a)

Strong acid

b)

Weak acid

c)

Strong base

d)

Weak base

185.
An extremely strong base would have a pH of...
a)
1
b)
7
c)
9
d)
14
186.

An antacid is a ______ that works against the excess acid in the stomach.

a)

acid

b)

salt

c)

water

d)

base

187.

Blood contains _______ which react with excess acids or bases that could affect the pH of the blood.

a)

neutrals

b)

buffers

c)

indicators

d)

salts

188.

Acids and bases are both...

a)

slippery

b)

sour tasting

c)

corrosive

d)

bitter tasting

189.

Soaps are a type of ______ with a polar and nonpolar end.

a)

acid

b)

base

c)

salt

d)

buffer

190.

Lemon juice has a pH of 2, which makes it...

a)

acidic

b)

neutral

c)

basic

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