wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Science Revision

Total questions: 83

Worksheet time: 2hrs 31mins

Name
Class
Date
1.

Electronic configuration of boron

a)

1s2 3s2 2p1

b)

1s2 2s2 2p1

c)

1s2 2s5 2p1

d)

1s1 2s2 2p2

2.

Electronic configuration of Neon

a)

1s1 2s2 2p7

b)

2s2 2p2 2p6

c)

1s4 2s4 2p2

d)

1s2 2s2 2p6

3.

Which pH represents the solution with the highest Hydrogen ion concentration

a)

pH=1

b)

pH=3

c)

pH=7

d)

pH=11

4.

Which compound represents an acid?

a)

NaOH

b)

HCl 

c)

CH2OH

d)

NaCl

5.

Which compound represents an base?

a)

NaOH

b)

HCl 

c)

CH2OH

d)

NaCl

6.

On the pH scale, an acid is a compound that produces a solution with a pH (a)   7.

7.

On the pH scale, a base is a compound that produces a solution with a pH (a)   7.

8.

What pH does a neutral substance have?

a)

5

b)

6

c)

7

d)

8

9.

Which of the following is the weakest acid?

a)

bananas (pH 5)

b)

tomatoes (pH 4)

c)

cheese (pH 6)

d)

orange juice (pH 3)

10.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
11.
What is the Law of Conservation of Mass?
a)
It states that no matter can be created or destroyed.
b)
It states that no energy can be created or destroyed.
c)
It states that matter can be created or destroyed.
d)
It states that no sound can be created or destroyed.
12.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number in front of a chemical formula.
c)
The number in between the chemical symbols.
d)
The number behind a chemical formula.
13.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
14.
How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
15.
Is this balanced?
Al + O2 → 2Al2O3
a)
Yes
b)
No
16.
The substances listed on the right side of a chemical equation are the
a)
Yields
b)
Reactants
c)
Products
d)
Precipitates
17.
How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
18.

When an atom gains a valence electron, it becomes a(n) _____________ ion.

a)

positive

b)

negative

c)

neutral

19.

When an atom loses a valence electron, it becomes a(n) _____________ ion.

a)

positive

b)

negative

c)

neutral

20.

Which two subatomic particles are found in the nucleus of an atom?

a)

Neutrons and Protons

b)

Shells and Electrons

c)

Electrons and Protons

d)

Electrons and Neutrons

21.

How many protons are in carbon?

a)

12

b)

6

c)

0

d)

7

22.

When is a hydrogen bond formed?

a)

when electrons are shared

b)

when protons are shared

c)

when ions of opposite electrical charges attract each other

d)

when a positive hydrogen attracts a negative atom in another molecule

23.

The inner core is a...

a)

solid

b)

liquid

c)

gas

24.
As you travel from the inner core to the crust, how would temperature, pressure and density of the material change?
a)
The would all increase
b)
The would all decrease.
c)
Nothing, the layers are made of the same material throughout
d)
Temperature would decrease, but pressure and density would increase
25.
The thinnest layer of the Earth is the ___________.
a)
mantle
b)
crust
c)
core
26.
What is the thickest layer of the Earth?
a)
the crust
b)
the mantle
c)
the outer core
d)
the inner core
27.

This type of crust is described as denser and heavier

a)

CONTINENTAL

b)

OCEANIC

28.

Two plates come together or collide at what boundary?

a)

Convergent

b)

Divergent

c)

Transform

29.

Which of the following is formed at Continent- Continent convergent boundaries?

a)

Volcanic Mountains

b)

Earthquakes

c)

Non-volcanic Mountain Ranges

d)

Both volcanoes and earthquakes

30.

This is evidence that sea-floor spreading occurs. Choose 2 answers.

a)

Younger rock was found close to the mid-ocean ridge.

b)

Younger rock was found further away from the mid-ocean ridge.

c)

Pillow lava is found on the bottom of the ocean floor.

d)

Mid-ocean ridges are found at the bottom of the ocean floor.

31.

Why does subduction occur?

a)

Old crust is more dense and gravity helps pull the crust back into the mantle.

b)

Old crust is less dense and it sinks back into the mantle.

c)

Old crust is warm and melts back into the mantle.

d)

Old crust has no where else to go but through trenches.

32.
The circular arrows inside the Earth's Mantle represent what type of motion, that drives ALL plate movement?  
a)
Convergent Boundary
b)
Ocean Currents
c)
Convection Currents
d)
Transform Boundary
33.
What is created when one continental and one oceanic plate converge?  
a)
Volcano
b)
Mountain
c)
Tsunami
d)
Earthquake
34.
What type of boundary is in this image?
a)
convergent plate boundary
b)
divergent plate boundary
c)
transform plate boundary
d)
subduction
35.

Formed where two sections of Earth’s crust are colliding.

a)

Divergent

b)

Convergent

c)

Transform

36.

The land mass where all of the continents were once together in one large continent is called ________________.

a)

Laurasia

b)

Gondwana

c)

Panthalassa

d)

Pangea

37.

Most geologists think that the movement of Earth’s plates is caused by _______

a)

convection

b)

subduction

c)

continental drift

d)

conduction

38.

The earth is compose of three main layers, except for____?

a)

crust

b)

core

c)

lithosphere

d)

mantle

39.

The three types of plate boundaries are

a)

Convergent, divergent, change

b)

Convergent, divergent, transform

c)

Divergent, allegiant, insurgent

d)

Push, pull, slide

40.

What happens often at transform boundaries?

a)

typhoons

b)

earthquakes

c)

volcanic eruption

d)

tornado

41.

2. The process in which a more dense plate go underneath on another plate which results to the rise of magma.

(a)  

42.

3. These waves are travelling through the Earth's interior due to the sudden release of energy.

(a)  

43.

4. This natural phenomenon is caused by sudden movement of plates along the fault.

(a)  

44.

11. It is a point where the earthquake is most severe in terms of its intensity.

(a)  

45.

18. This term describes the size and strength of an earthquake.

(a)  

46.

A percentage number where most of the volcanoes are located near the boundaries of tectonic plates.

a)

50%

b)

100%

c)

70%

d)

95%

47.

What is an Earthquake?

a)

It is the abrupt rupture or movement along faults, plate boundaries and weakened areas

b)

It is the abrupt rupture or movement along mountain alpine zones

c)

It is the abrupt rupture or movement within a volcano to induce an explosion

d)

It is the shock wae triggered by the movement of a heavy object moving on the Earth's crust

48.

Focus is....

a)

The area where people are focused on the impact of an Earthquake

b)

What Ms. Hopkins can't do during long presentations about curriculum development

c)

The area where people are focused on the impact of a Volcano

d)

The location at a sepcific depth in the earth where seismic wave radiation begins.

49.

P waves or Primary Waves are.....

a)

The slowest waves that travel through material, pushing and pulling as they travel

b)

The fastest waves that travel through material, pushing and pulling as they travel

c)

Waves that onlt travel through the Earths crust

d)

Sound waves that occur after a volcano exlodes

50.
Which wave arrives second to the seismic station?
a)
P - Primary
b)
S- Secondary
c)
Surface
d)
N-Normal
51.
Which wave can only go through solids?
a)
P
b)
S
c)
Surface
d)
Normal
52.
Which wave can travel through solids, liquids, and gases?
a)
P
b)
S
c)
Surface
d)
Seismic
53.

Measures the magnitude or size, of an Earthquake

a)

epicenter

b)

focus

c)

Richter scale

d)

Mercalli Scale

54.

A ___________ is the instrument that measures the intensity of an earthquake which may be a pendulum or a mass mounted on a spring.

a)

seismograph

b)

seismologist

c)

seismogram

d)

seismometer

55.
The Ring of Fire is
a)
a group of oceans
b)
circus act
c)
chain of earthquakes in the NW
d)
chain of volcanoes in the Pacific Ocean
56.

The positive particles of an atom are ___________.

a)

electrons

b)

protons

c)

neutrons

57.
An atom is made up of protons, neutrons, and electrons.  Which is the smallest subatomic particle?
a)
Proton
b)
Neutron
c)
Electron
d)
Idontknowatron
58.
Each row in a periodic table is called a 
a)
Group
b)
Period
c)
Row
d)
Column
59.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
60.
Which is an electron?
a)
A
b)
B
c)
C
61.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
62.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO+ light + H2O --> O+ Sugar
b)
CO+ sugar + H2O --> O+ light
c)
O2 + light + H2O --> CO+ Sugar
d)
CO+ O2 + H2O --> Light+ Sugar
63.
What are the two products of the light reactions that are needed for the calvin cycle?
a)
NAD and NADPH
b)
NADP + and Glucose
c)
NADPH and ATP
d)
Oxygen and NADPH
64.

Select all that are raw materials for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

65.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

66.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
67.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
68.

What is the pigment in chloroplasts that performs photosynthesis?

a)

Chlorosynthesis

b)

Chlorophyll

c)

Chloroplast

d)

Green

69.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
70.
Leaves look green because.....
a)
they eat their vegetables
b)
to blend into their environment
c)
they contain a molecule named chlorophyll
d)
they are sick
71.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
72.
The formula for glucose is...
a)
C12 H22 O11
b)
NaCl
c)
NaOH
d)
C6 H12 O6
73.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
74.

Which of the following is a product of cellular respiration?

a)

Radiant Energy

b)

Oxygen

c)

Glucose

d)

Water

75.

What are the reactants (taken into) of cellular respiration? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

energy

76.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
77.

Seafloor spreading occurs because ____.

a)

new material is being added to the asthenosphere

b)

earthquakes break apart the ocean floor

c)

sediments accumulate at the area of spreading

d)

molten material beneath Earth's crust rises to the surface

78.
Why were magnetic patterns found on the ocean floor puzzling?
a)
They showed alternating bands of normal and reversed polarity.
b)
No rocks were magnetic.
c)
They did not show alternating bands of normal and reversed polarity.
d)
All rocks were magnetic.
79.
Magnetic field that points south.
a)
Modern polarity
b)
Past polarity
c)
Normal polarity
d)
Reversed polarity
80.
True or False - Protons and Neutrons have about the same mass.
a)
True - They have about the same mass
b)
False - They do not have about the same mass
81.
How many electron shells/levels does this atom have?
a)
1
b)
2
c)
3
d)
4
82.

The electronic configuration of Ca is?

a)

2,8,8,2

b)

2,8,8,8,8,6

c)

2,8,8

83.

What is the electron configuration of this atom?

a)

2 6 10

b)

2 8 18

c)

2 8 8 4

d)

2 8 8