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7th Grade Science Final Exam Review Quizizz

Total questions: 80

Worksheet time: 44mins

Name
Class
Date
1.
Which is the smallest level of an ecosystem?
a)
organsism
b)
population
c)
community
d)
ecosystem
2.
a system of food chains that shows the transfer of energy  is termed
a)
food web
b)
food chain
c)
prey
d)
predator
3.
A diagram that shows the amount of energy that moves from one feeding level to another is termed..
a)
energy pyramid
b)
adaptation
c)
autotroph
d)
food web
4.
an organism that can produce its own food through photosynthesis
a)
consumer
b)
heterotroph
c)
autotroph
d)
herbivore
5.
What percentage of energy is passed on to each tropic level?
a)
10%
b)
50%
c)
90%
d)
100%
6.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
7.

The state of matter that has no definite size or shape is

a)

Solid

b)

Liquid

c)

Gas

8.

The slower the particles in a substance move,

a)

the colder it is.

b)

the warmer it is.

c)

the more energy it has.

9.

Liquid to Gas

a)

Condensation

b)

Evaporation

c)

Sublimation

10.

Particles move relative to each other, but remain in contact with each other.

a)

solid

b)

liquid

c)

gas

11.

The energy of MOTION is...

a)

chemical energy

b)

radiant energy

c)

potential energy

d)

kinetic energy

12.
Which state of matter has a definite shape?
a)
solid
b)
liquid
c)
gas
13.

Freezing

a)

Solid to gas

b)

Liquid to solid

c)

Gas to solid

14.

A physical change...

a)

changes the physical properties of an object, but does not create a new substance.

b)

creates a new substance and cannot be undone.

15.

A chemical change

a)

changes the physical properties of an object, but does not create a new substance.

b)

creates a new substance and cannot be undone.

16.

Endothermic reactions feel...

a)

Hot

b)

Cold

17.

Exothermic reactions feel...

a)

Hot

b)

Cold

18.

This is an example of an...

a)

Exothermic chemical reaction

b)

Endothermic chemical reaction

19.

The bag you made in class that felt cold afterwards was an example of an...

a)

Exothermic chemical reaction

b)

Endothermic chemical reaction

20.

A process in which atoms rearrange to form new substances.

a)

extended structure

b)

boiling point

c)

chemical reaction

21.

In a chemical equation the reactants are on the left side of the arrow. Are the reactants the beginning substances or the ending substances?

a)

beginning

b)

ending

22.

Burning paper is an example of a

a)

boiling point

b)

chemical reaction

c)

extended structure

23.

How many nitrogen atoms are present in the compound

KNO3

a)

0

b)

1

c)

3

24.
2H2O
How many H2O molecules are present?
a)
1
b)
4
c)
2
d)
8
25.

Identify the Product (s) 2H2O2 -> 2 H2O + O2

a)

2H2O2

b)

2H2O and O2

26.

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.

27.
What is photosynthesis?
a)
The process in which humans eat their food
b)
When a photographer takes a photo.
c)
To get your pictures from the photo lab.
d)
The process in which plants make their food.
28.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
29.
What are the reactants of photosynthesis?
a)
carbon dioxide and oxygen
b)
water and oxygen
c)
carbon dioxide and water
d)
water and glucose
30.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
31.

The main purpose for the process cellular respiration is ATP.

a)

true

b)

false

32.

Which organ in a cell produces a large amount of ATP through cellular respiration?

a)

chloroplast

b)

mitochondrion

c)

nucleus

d)

ribosome

33.

Cellular respiration and photosynthesis are ___.

a)

exact opposites

b)

basically the same

c)

not related in any way

d)

not important for life

34.

Which of the following is the chemical equation for cellular respiration?

a)

C₆H₁₂O₆ + O₂ → ATP + CO₂ + H₂O

b)

CO₂ + H₂O → ATP + C₆H₁₂O₆ + O₂

c)

C₆H₁₂O₆ + H₂O → ATP + CO₂ + O₂

d)

C₆H₁₂O₆ + CO₂ → ATP + H₂O + O₂

35.
Charles Darwin's work contributed to the theory of Natural Selection
a)
True
b)
False
36.

What was the variation in the Peppered Moth that affected their survival?

a)

Size

b)

Aggressiveness

c)

Color

d)

Species

37.

Which adaptation for protection allows an animal to hide either from predators or prey?

a)

adoption

b)

adaption

c)

mimicry

d)

camouflage

38.

This king snake looking just like the deadly coral snake to stay protected is an example of_________

a)

mimicry

b)

adaptation

c)

adoption

d)

camouflage

39.

A giraffe having a long enough neck to reach leaves from a tree to eat is an example of ______

a)

mimicry

b)

camoflauge

c)

adaptation

40.

Combining of egg and sperm

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

41.

A type of cell division where the cell divides into two copies

a)

Vegetative propagation

b)

Budding

c)

Fragmentation

d)

Binary Fission

42.

Which type of reproduction results in offspring that are identical to the parent?

a)

Sexual

b)

Asexual

c)

Neither

d)

Both

43.

What type of asexual reproduction is it?

a)

budding

b)

regeneration

c)

sporulation

d)

binary fission

44.

What type of asexual reproduction is it?

a)

vegetative propagation

b)

sporulation

c)

budding

d)

binary fission

45.
What are the products of anaerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
46.
What type of respiration requires oxygen?
a)
Aerobic
b)
Anaerobic
47.
What type of respiration does not require oxygen?
a)
Aerobic
b)
Anaerobic
48.
The physical breakdown of food.
a)
mechanical digestion
b)
elimination
c)
chemical digestion
d)
absorption
49.
Breaking down food by enzymes.  
a)
mechanical digestion
b)
elimination
c)
chemical digestion
d)
absorption
50.
Nutrients diffuse into the blood vessels for transport all around the body.  Occurs in the small intestine.
a)
digestion
b)
elimination
c)
mouth
d)
absorption
51.
Undigested food leaves the body.  Occurs in the large intestine.
a)
digestion
b)
elimination
c)
mouth
d)
absorption
52.
This digests (breaks down) protein both MECHANICALLY (churning) and CHEMICALLY (using the enzyme pepsin).
a)
mouth
b)
small intestine
c)
large intestine
d)
stomach
53.
These send digestive juices to the small intestine.
a)
liver and pancreas
b)
small intestine
c)
mouth
d)
large intestine
54.
Forms of precipitation are-
a)
only sleet and snow
b)
rain, sleet, hail, and snow
c)
only dew and rain 
d)
only snow and rain
55.
The water cycle has no start or end
a)
true
b)
false
56.
When water condenses, the water vapor in the air gets ___________ and changes back into liquid.
a)
cold
b)
hot
c)
warm
d)
solid
57.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
58.

______________is created by unequal heating of the Earth's surface.

a)

conduction

b)

radiation

c)

wind

d)

river movement

59.

When air is heated it becomes...

a)

More dense

b)

Less dense

c)

Heavier

d)

Moist

60.

Is this image a Land breeze or a Sea breeze?

a)

Land breeze

b)

Sea breeze

61.

Is this image a Land breeze or a Sea breeze?

a)

Land breeze

b)

Sea breeze

62.

Due to the Coriolis effect and the Earth rotating counterclockwise, air (wind) will deflect....

a)

clockwise in the northern hemisphere & counterclockwise in the southern hemisphere

b)

counterclockwise in the northern hemisphere & clockwise in the southern hemisphere

63.

What drives our Convection Currents and effects our Climate Zones on Earth?

a)

Mountains

b)

Moon

c)

Oceans

d)

Sun

64.

Clear and sunny sky is associated with high pressure.

a)

True

b)

False

65.

How is cyclone caused

a)

cyclone is caused due to global warming

b)

When warm, moist air over the ocean rises upward from near the surface

c)

When hot breeze

rises upward to the surface

d)

When warm, cold air over the ocean rises upward from near the surface

66.
What causes wind?
a)
convection currents
b)
conduction currents
c)
radiation currents
d)
tropical currents
67.
What is the instrument called that measures air pressure?
a)
thermometer
b)
ruler
c)
yard stick
d)
barometer
68.
I am a fast-moving ribbon of AIR that moves from west to east in the Northern Hemisphere around the Earth.
a)
California Current
b)
Gulf Stream
c)
Jet Stream
d)
Atlantic Ocean
69.
When a warm air mass and a cold air mass meet, but they push at each other and neither one can move, it is called a/an - 
a)
warm front
b)
cold front
c)
occluded front
d)
stationary front
70.
The boundary between two air masses is called a/an - 
a)
flood
b)
front
c)
climate
d)
storm
71.
A/An ____ is a large body of air that has the same properties as the Earth's surface over which it develops.
a)
front
b)
air mass
c)
cloud
d)
tornado 
72.
What does symbol # 1 mean?
a)
stationary front
b)
occluded front
c)
warm front
d)
cold front
73.
What does symbol # 2 mean?
a)
stationary front
b)
occluded front
c)
warm front
d)
cold front
74.
What characteristics are used to classify air masses?
a)
temperature and humidity
b)
pressure and temperature
c)
latitude and longitude
d)
wind speed and location 
75.

The change in average weather patterns over a long period of time describes:

a)

The Greenhouse Effect

b)

Global Warming

c)

Climate Change

76.

Global warming is created by natural factors

a)

True

b)

False

77.

Global warming causes:

a)

droughts

b)

wild fires

c)

warmer temperatures

d)

relax and joy

78.

This is a gas produced from breathing, volcanic eruptions, and burning of fossil fuels

a)

Water Vapor

b)

Methane

c)

Ozone

d)

Carbon Dioxide

79.

This is a gas produced by decomposition of waste

a)

Carbon Dioxide

b)

Methane

c)

Ozone

d)

Nitrous Oxide

80.

Which of the following is the correct definition of density?

a)

The amount of stuff in an object

b)

The amount of space an object takes up

c)

A measure of the force of gravity on an object

d)

The amount of matter (mass) packed into a space (object)

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