wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

mid term revsion science grade 9

Total questions: 130

Worksheet time: 2hrs 46mins

Name
Class
Date
1.

What does the flow of energy through an ecosystem always begin with?

a)

Primary Producers

b)

Primary Consumers

c)

Heterotrophs

d)

Grass

2.

What shows a network of feeding relationships?

a)

Food Chain

b)

Food Web

c)

Pyramid of Biomass

d)

Pyramid of Energy

3.

What are the primary producers in this image?

a)

Carrot

b)

Grasshopper

c)

Grain

d)

Grass

e)

Rabbit

4.

What are the primary consumers in this image?

a)

Owl

b)

Grasshopper

c)

Mouse

d)

Bird

e)

Rabbit

5.

What are the secondary consumers in this image?

a)

Owl

b)

Fox

c)

Mouse

d)

Bird

e)

Rabbit

6.

A decomposer is

a)

heterotroph

b)

an organism that breaks down organic materials

c)

autotroph

d)

recycles nutrients

7.

Which animal is on the top of the food chain?

a)

Eagle

b)

Python

c)

Wolf

d)

Lavendere

8.

In an ecosystem, define; producer

a)

Organisms that are found at the top of a food web

b)

Chemicals and gases that are found in the atmosphere.

c)

They are organisms that only consume plants

d)

Organisms that use energy from the sun, water and gases from the atmosphere that chemically make their own food.

9.

Define; food web

a)

A singular food chain of organisms

b)

All of the food chains in an ecosystem

c)

A diagram that displays all herbivores in an ecosystem

10.

What type of organism is shown in the picture?

a)

producer

b)

consumer

c)

decomposer

11.

What type of organism is shown in the picture?

a)

producer

b)

consumer

c)

decomposer

12.

What type of organism is shown in the picture?

a)

producer

b)

consumer

c)

decomposer

13.

What is the ultimate source of energy for food chains?

a)

animals

b)

sun

c)

plants

d)

mushrooms

14.

What type of organism is shown in the picture?

a)

detritivore

b)

carnivore

c)

herbivore

d)

omnivore

15.

What type of organism is shown in the picture?

a)

detritivore

b)

carnivore

c)

herbivore

d)

carnivore

16.

An organism that makes its own food

a)

Heterotroph

b)

Autotroph

17.

Each step in a food chain or food web

a)

Trophic level

b)

Adaptations

c)

Link

d)

Ecological pyramid

18.

Name the Trophic Levels

a)

Producers

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

e)

Quaternary Consumer

19.

Which organism is the carnivore?

a)
b)
c)
d)
20.
All food webs and food chains begin with _________________.
a)
primary consumer
b)
producers
c)
secondary consumers
d)
predators
21.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
22.
An organism that eats the secondary consumer.
a)
Primary Consumer
b)
Secondary Consumer
c)
Tertiary Consumer
d)
Consumer
23.
Organisms which carry out the process of decomposition by breaking down dead or decaying organisms.
a)
Consumer
b)
Producer
c)
Decomposer
d)
Herbivore
24.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
25.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
26.
__________ is an organism that eats BOTH plants and animals for energy.
a)
Omnivore
b)
Darnivore
c)
Carnivore
d)
Herbiovre
27.

Choose THREE correct statements about electrostatic charges

a)

Electrical charges are produced through friction

b)

A substance loses an electron become negatively charged

c)

A substances loses and electron becomes positively charged

d)

The repulsion and attraction produce a force

e)

Two same charges attract each other

28.

The two same charges will _________ each other

a)

attract

b)

repel

c)

opposite

29.

The two different charges will ___________ each other.

a)

repel

b)

attract

c)

opposite

30.

Only ____________________ can move from one another object to another object when rubbed.

a)

neutron

b)

electron

c)

proton

31.

There are two types of electrical charges :

a)

positive charge

b)

negative charge

c)

neutral

d)

non-moving charge

32.

Which following instrument is required to detect static electrical charges.

a)

Voltmeter

b)

Galvanometer

c)

Ammeter

d)

Electroscope

33.

Choose the correct reason why the hair stand and attracted to the balloon when the balloon is rubbed to the hair?

a)

Both balloon and hair are neutral

b)

Both balloon and hair are same charged

c)

The balloon is negatively charged and hair is neutral

d)

The balloon and hair are different charged

34.

A Van de Graff generator is applied to ________________________

a)

produce same charges

b)

produce different charges

c)

generate electrical charges

35.

When two different types of insulators are rubbed together, ____________ electric charges are produced.

a)

mobile

b)

static

c)

no

d)

some

36.

A glass rod becomes positively charged when it is rubbed with silk. This is because the glass rod

a)

gains protons

b)

loses protons

c)

gains electrons

d)

loses electrons

37.

When a negatively charged plastic rod is brought near the brass cap of the electroscope, what can be observed?

a)

The gold leaf collapses.

b)

The gold leaf diverges.

c)

The gold leaf diverges than collapses.

d)

The position of the gold leaf remains unchanged.

38.

If one bulb goes out in a series circuit, the remaining bulbs...

a)

also go out

b)

get brighter

c)

get dimmer

d)

explode, leaving shards of glass everywhere

39.

Current is measured in

a)

Volts

b)

Watts

c)

Seconds

d)

Amps

40.

If the switch was opened, what would happen?

a)

the ammeter would measure a current flowing

b)

current would no longer flow, so everything would be off

c)

the bulbs would stay on because they're connected to the cell

d)

the bulbs would burn out and catch fire

41.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
42.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator 
c)
Resistance 
d)
Conductor 
43.
This circuit has more than one loop. When one light goes out, the others stay on. 
a)
closed circuit
b)
series circuit
c)
parallel circuit
d)
open circuit
44.
Which of these materials is a good insulator?
a)
Plastic and metal
b)
Metal and rubber
c)
Plastic and rubber
45.
What is the energy source for a circuit?
a)
Light bulb
b)
Battery
c)
Wire
d)
Switch
46.

This is an example of a _______ circuit

a)

open

b)

series

c)

parallel

d)

switch

47.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
48.
What 'flows' in a wire?
a)
Protons
b)
Neutrons
c)
Atoms
d)
Electrons
49.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
50.

What component does the picture above represent?

a)

Battery

b)

Light bulb

c)

Ammeter

d)

Resistor

51.

What is a Conductor?

a)

A Parallel circuit

b)

A material that allows heat and electricity to flow through it

c)

The pathway through which electric current (electron) flows.

d)

A series current

52.

What is Voltage?

a)

The energy available to move charges through a circuit

b)

A material that allows heat and electricity to flow through it

c)

A material that stops heat and electric current from flowing

d)

Rubber, styrofoam, cotton

53.

What is a Battery?

a)

Rubber, styrofoam, cotton

b)

The energy available to move charges through a circuit

c)

The flow of electrons in a circuit

d)

The device that provides electrical energy

54.
Unit for current
a)
Ohm
b)
Ampere
c)
Volt
d)
Watt
55.
As the resistance of a circuit increases, the current will...
a)
increase
b)
decrease
c)
stay the same
56.

The rate of flow of electrons through a wire is known as __________ and is measured using __________.

a)

resistance, Ohms

b)

voltage, Volts

c)

current, AMPS

57.

The tendency for materials to oppose the flow of electricity is known as __________ and is measured using ___________.

a)

resistance, Ohms

b)

current, AMPS

c)

voltage, Volts

58.

How much energy or pushing force available to move electrons through a circuit is known as __________ and is measured using __________.

a)

Resistance, Ohms

b)

Voltage, Volts

c)

Current, AMPS

59.

Current can be measured using ............

a)

ammeter

b)

light bulb

c)

resistor

d)

voltmeter

60.

Measured using a Voltmeter

a)

Voltage

b)

Current

c)

Resistance

61.

An double A (AA) alkaline battery functions using....

a)

Strong Nuclear Forces

b)

Electromagnetism

c)

Friction

d)

A Chemical Reaction

62.

Cells are connected in series in order to

a)

Increase the voltage rating

b)

Increase the current rating

c)

Increase the life of the cells

d)

None of the above

63.

Identify the above symbol.

a)

battery

b)

Electric cell

c)

AC source

d)

DC source

64.

How many terminals do each cell have?

a)

3

b)

4

c)

2

65.

Cells connected in series have a higher voltage.

a)

False

b)

True

66.

Conductors have some resistance.

a)

True

b)

False

67.

A thicker conductor has what type of resistance?

a)

High resistance

b)

Low resistance

c)

Fixed resistance

d)

Variable resistance

68.

Where do plants get the energy for photosynthesis to take place?

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

69.

What part of the plant soaks up water for photosynthesis?

a)

roots

b)

petals

c)

leaf

d)

stem

70.

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.

71.

Complete the equation for photosynthesis

carbon dioxide +___________ ------> Glucose + oxygen

a)

helium

b)

nitrogen

c)

water

d)

hydrogen

72.

The reactants to photosynthesis are...

a)

glucose and oxygen

b)

carbon dioxide and water

73.

Pigment in green plants that captures the energy in sunlight is called __________.

a)

pigment

b)

chlorophyll

c)

stomata

d)

green thing

74.

Where does photosynthesis take place in the plant cell?

a)

Nucleus

b)

cytoplasm

c)

Chloroplasts

d)

Mitochondria

75.

 

This is the chemical formula for a molecule of...

a)

oxygen

b)

carbon dioxide

c)

Glucose

d)

Water

76.

The openings that are found in the leaves of plants are called:

a)

stomata

b)

chlorophyll

c)

Xylem

d)

Chloroplast

77.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
78.

Which of these are limiting factors for Photosynthesis?Choose three..

a)

Carbon dioxide concentration

b)

light intensity

c)

Water

d)

temperature

79.

    What is role of chlorophyll

a)

To produce sugar

b)

To trap heat energy

c)

To trap light energy

d)

all of the above

80.
The loss of water in plants is called?
a)
evaporation
b)
condensation 
c)
transpiration
81.
The Xylem in plants transport what throughout the plant?
a)
Oxygen
b)
Blood
c)
Water
82.

Which is a function of the roots?

a)

reproduce

b)

supports the plant

c)

absorbs water and mineral salts from the soil

83.

Which part of the vascular system moves nutrients such as soluble sugars, proteins, hormones, and dissolved minerals and salts from leaves to other portions of the plant?

a)

Spongy mesophyll cells

b)

Phloem

c)

Upper Layer

d)

Xylem

84.

Is the xylem vessel a one-way or two way flow system?

a)

One-way

b)

Two-way

85.

Is the phloem vessel a one-way or two-way flow system?

a)

Two-way

b)

One-way

86.

Choose the correct combo-

a)

xylem-water, phloem -sugar

b)

xylem- sugar, phloem -water

87.

Mark noticed that the leaves of his poinsettia plant are turning yellowish, as shown. What could be wrong?

a)

magnesium deficiency

b)

carbon dioxide deficiency

c)

glucose deficiency

d)

starch deficiency

88.

Which mineral we need to add to soil if leaves curl?

a)

Potassium

b)

Nitrogen

c)

Sulfur

d)

Phosphorus

89.

Which mineral is deficient in this plant?

a)

Magnesium

b)

Potassium

c)

Nitrogen

d)

Phosphorus

90.

What minerals need to be added to this plant?

a)

Potassium

b)

Manganese

c)

Magnesium

d)

Phosphorus

91.
A neutron has a charge of
a)
+2
b)
No charge
c)
-1
d)
+1
92.
A proton is....
a)
A negatively charged subatomic particle
b)
A positively charged subatomic particle
c)
A neutrally charged subatomic particle
d)
The only subatomic particle located in the nucleus
93.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
94.
Elements can have the same number of protons?
a)
True
b)
False
95.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

96.

All matter is made of 

a)

energy 

b)

atoms 

c)

air

d)

chemistry

97.
Where are the Electrons found in the structure of an atom?
a)
In the nucleus
b)
In spaces around the nucleus
98.
In this picture, the Electrons are found in which color?
a)
Blue
b)
Red
c)
Green
99.
How are elements on the periodic table arranged by?
a)
in alphabetic order
b)
simular physical & chemical properties
c)
their symbols
d)
Just simular physical properties
100.
Each column in the periodic table is called a _________ .
a)
period
b)
group
c)
cluster
d)
unit
101.
Periods on the periodic table are __________.
a)
Horizontal Rows
b)
Vertical Columns
102.
Groups on the periodic table are __________.
a)
Horizontal Rows
b)
Vertical Columns
103.

The Atomic number is known as the _______

a)

Number of electrons in an atom

b)

Number of Protons in an atom

c)

Number of neutrons in an atom

d)

Number of Protons and electrons in an atom

104.

What is Atomic Mass Number ?

a)

Number of Protons

b)

Number of Neutrons

c)

Number of Protons and Neutrons

d)

Number of Protons and Electrons

105.

The number of electrons in an atom is equal to the...

a)

Atomic number

b)

Protons

c)

Atomic Mass

d)

Neutrons

106.

The formula used to calculate the number of neutrons is:

a)

Mass Number - Atomic Number

b)

Protons + Electrons

c)

Atomic Number - Mass Number

d)

Protons x2

107.

How many periods are on the periodic table?

a)

5

b)

6

c)

7

d)

8

108.

Elements in the same group have : (2 correct answers)

a)

Similar chemical properties

b)

Similar names

c)

Same number of outer (valence) electrons)

d)

The same number of protons

109.

Who created the periodic table?

a)

John Dalton

b)

Marie Curie

c)

Dmitri Mendeleev

110.

The periodic table is arranged in order of...

a)

increasing atomic number

b)

increasing atomic mass

c)

decreasing atomic mass

d)

decreasing atomic number

111.

What is the name of the element? (Periodic table will be needed)

a)

sodium

b)

magnesium

c)

vanadium

112.

How many protons and electrons does nickel have?

a)

28

b)

58.69

113.
Which model is this?
a)
Thomson Model
b)
Cloud Model
c)
Bohr Model
d)
Rutherford Model
114.
Which scientist saw the atom as a solid sphere?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
115.

Proposed that electrons move around the nucleus in specific layers, or shells.

a)

Bohr

b)

Rutherford

c)

Chadwick

d)

Thomson

116.
Who performed the Gold Foil Experiment?
a)
J. J. Thomson
b)
Ernest Rutherford
c)
Neils Bohr
d)
John Dalton
117.
What Greek philosopher first spoke about the idea of an atom?
a)
Democritus
b)
Dalton
c)
Thompson
d)
Rutherford
118.

What is the correct order of scientists in order of their work related to the atomic theory from earliest to most recent?

a)

Neils Bohr, Ernest Rutherford, JJ Thomson, John Dalton, & Democritus

b)

JJ Thomson, John Dalton, Neils Bohr, Ernest Rutherford, & Democritus

c)

Democritus, John Dalton, JJ Thomson, Ernest Rutherford, and Neils Bohr

d)

John Dalton, Neils Bohr, JJ Thomson, Democritus, & Ernest Rutherford

119.
As you move down the periodic table atoms get bigger.  This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more nuetrons
120.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
121.

Which one is a very reactive nonmetal?

a)

Halogen

b)

Noble gas

c)

Metalloid

d)

Transition metal

122.

Which group are alkali metals in?

a)

1

b)

2

c)

17

d)

18

123.

Element Z has the following properties:

1. It has a low boiling point.

2. It does not react with other elements.

What is element Z?

a)

alkali metal

b)

halogen

c)

noble gas

d)

transition metal

124.

Metals and acids react to form .....

a)

Salt and hydrogen

b)

Salt and water

c)

Carbon dioxide, salt and water

d)

Hydrogen only

125.

Magnesium + hydrochloric acid-->

a)

Magnesium chloride + water

b)

Magnesium chloride + hydrogen

c)

Magnesium hydrochloride + hydrogen

d)

Magnesium chloride + water + carbon dioxide

126.

Zinc + sulfuric acid -->

a)

Zinc sulfide + hydrogen

b)

Zinc sulfate + hydrogen

c)

Zinc sulfate + Water +Carbon dioxide

d)

Zinc sulfide + water

127.

Iron + hydrochloric acid -->

a)

Iron chloride + hydrogen

b)

Iron chloride + carbondioxide

c)

Iron hydroxide + acid

d)

Iron chloric + hydrogen

128.

Metal carbonates react with acid to form....

a)

Salt, carboxylic acid and water

b)

Salt, carbon dioxide and water

c)

Salt and carbonated water

d)

Salt and hydrogen

129.

Copper carbonate + hydrochloric acid -->

a)

Copper chloride + hydrogen

b)

Copper chloride + water

c)

Copper chloride + water + hydrogen

d)

Copper chloride + water + carbondioxide

130.

What gas is always produced when a metal reacts with acid?

a)

Oxygen

b)

Hydrogen

c)

Carbon dioxide

d)

Nitrogen

Similar Resources on Wayground

Biology Fall Semester Exam Practice

130 questions

Biology Fall Semester Exam Practice

quiz

Worksheet

•

9th - 12th Grade

CSE Final Exam Review CodeHS

130 questions

CSE Final Exam Review CodeHS

quiz

Worksheet

•

9th - 12th Grade

P-3 Forces & Motion Review

126 questions

P-3 Forces & Motion Review

quiz

Worksheet

•

9th Grade

Unit 7 Quiz

132 questions

Unit 7 Quiz

quiz

Worksheet

•

9th - 12th Grade

Zoology Final Review

135 questions

Zoology Final Review

quiz

Worksheet

•

9th - 12th Grade

Body systems Mega Quiz

126 questions

Body systems Mega Quiz

quiz

Worksheet

•

7th - 12th Grade

ALC Final Exam Review BORO

132 questions

ALC Final Exam Review BORO

quiz

Worksheet

•

9th - 12th Grade

KS3 SCIENCE: Periodic Table and Preparing Salts

127 questions

KS3 SCIENCE: Periodic Table and Preparing Salts

quiz

Worksheet

•

8th - 9th Grade