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Worksheets

S2 TT Reviewer

Total questions: 109

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

Tick all the effects of forces from the choices below.

a)

Start an object

b)

Stop moving an object

c)

Change the speed of a moving object

d)

Turning effects

e)

Change the size and shape of an object

2.

What is the SI unit of force?

a)

Pascal

b)

Newton

c)

Ohm

d)

Newton per square centimetre

3.

Which two quantities are necessary to describe the motion of objects?

a)

time

b)

force

c)

distance

d)

pressure

4.

What is the SI unit of speed?

a)

m/s

b)

N/cm2

c)

N*m/s

d)

All of the above

5.

How do we calculate the speed of an object?

a)

Speed = distance x time

b)

Speed = distance / time

c)

Speed = time/ distance

d)

Speed = (time x distance)2

6.

Problem solving: A car ran 10.5 kilometres in 13 minutes. What is its speed in m/s?

a)

130.46 m/s

b)

13.46 m/s

c)

1.34 m/s

d)

0.81 m/s

7.

A plane travels 395,000 metres in 9000 seconds. What was its speed in km/h?

a)

43.89 km/h

b)

158 km/h

c)

0.44 km/h

d)

9875 km/h

8.

You need to get to class 200 metres away and you can only walk in the hallways at about 1.5m/s. How much time will it take to get to class?

a)

1333.33 seconds

b)

13.33 seconds

c)

133.33 seconds

d)

1.33 seconds

9.

In a competition, an athlete threw a flying disk 139 metres through the air. While in flight, the disk travelled at an average speed of 13.0 m/s. How long did the disk remain in the air?

a)

106.9 seconds

b)

10.69 seconds

c)

1.069 seconds

d)

None of the above

10.

How far can you get away from your little brother with the squirt gun filled with paint if you travel at 3 m/s and you have 15 seconds before he sees you?

a)

45 metres

b)

450 metres

c)

4.5 metres

d)

0.45 metres

11.

Tick which forces are considered contact forces

a)

Normal force

b)

Gravitational force

c)

Frictional force

d)

Electrical force

e)

Air resistance

12.

Tick which forces are considered non-contact forces

a)

Gravitational force

b)

Electrical force

c)

Magnetic force

d)

Applied force

e)

Tensional force

13.

Which statement is not true about friction?

a)

Works with gravity

b)

Rubbing of surfaces

c)

Makes objects speed up

d)

Always opposes the movement of an object

14.

Tick the ways to reduce friction.

a)

smooth surfaces

b)

streamlining

c)

ball bearings

d)

lubrications

15.

It is the measure of force of gravity exerted on an object.

a)

Mass

b)

weight

c)

force

d)

pressure

16.

_____________________ is the amount of matter in an object.

a)

Mass

b)

Weight

c)

Pressure

d)

Force

17.

Opposite poles _____________ while like poles _____________.

a)

attract; repel

b)

repel; attract

18.

Pressure is dependent on what 2 quantities?

a)

force

b)

area

c)

speed

d)

distance

19.

How do we calculate pressure?

a)

Pressure = force x area

b)

Pressure = area / force

c)

Pressure = force / area

d)

None of the above

20.

A lady weighing 450 N stands on one stiletto heel of area 0.0001m2. What is the pressure exerted on the ground?

a)

4,500,000 N/m2

b)

450,000 N/m2

c)

45,000 N/m2

d)

4,500 N/m2

21.

A brick weighs 30 N. It has dimensions of 8 cm x 10 cm x 20 cm. What is the pressure exerted by the brick on the ground when it is laid on the largest face?

a)

0.019 N/cm2

b)

0.15 N/cm2

c)

0.375 N/cm2

d)

0.19 N/cm2

22.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
23.
What type of force?
a)
Magnetic
b)
Gravitational
c)
Applied
d)
Normal
24.
What type of force is holding this balloon to the wall?
a)
Applied
b)
Gravitational
c)
Magnetic
d)
Electrical
25.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
26.
What two quantities must I know to calculate something's speed?
a)
time and weight
b)
position and distance
c)
distance and time
d)
distance and speed
27.

What is defined as a push or pull?

a)

force

b)

motion

c)

vector

d)

speed

28.

Which is correct?

a)

1 N = 1 kg

b)

1 N = 1 kg * m/s

c)

1 N = 1 kg * m/s2

d)

1 N = 1 g

29.
What is the attractive force that exists between all objects that have mass?
a)
Weight
b)
Mass 
c)
Gravity
d)
Viscosity
30.

What is energy?

a)

The ability to do work.

b)

The source of power of human beings.

c)

The ability to do things by yourself.

31.

What are the 2 major classifications of energy?

a)

Kinetic

b)

Potential

c)

Inertia

d)

Mechanical

32.

Tick the kinds of energy under POTENTIAL energy.

a)

Gravitational

b)

Chemical

c)

Nuclear

d)

Elastic

33.

Tick the kinds of energy under KINETIC energy.

a)

Mechanical

b)

Thermal

c)

Electromagnetic Radiation

d)

Electric

34.

The stored energy of position possessed by an object.

a)

Potential

b)

Kinetic

35.

The energy of motion

a)

Potential

b)

Kinetic

36.

The energy stored in an object as the result of its vertical position or height.

a)

Gravitational potential

b)

Chemical potential

c)

Nuclear

d)

Elastic potential

37.

The energy stored in the bonds between the atoms in compounds

a)

Gravitational potential

b)

Chemical potential

c)

Nuclear

d)

Elastic potential

38.

The stored potential of the nucleus of an atom

a)

Gravitational potential

b)

Chemical potential

c)

Nuclear

d)

Elastic potential

39.

The energy stored in elastic materials as the result of their stretching or compressing.

a)

Gravitational potential

b)

Chemical potential

c)

Nuclear

d)

Elastic potential

40.

Gravitational potential energy is dependent on what 2 factors:

a)

the mass of the object

b)

the height to which the object is raised

c)

the weight of the object

d)

the state of the object

41.

What process happens between the bonds of the atoms in compounds?

a)

Chemical reactions

b)

Chemical solutions

c)

Chemical inductions

d)

Chemical assumptions

42.

The splitting of an atom causes a ______________.

a)

Fission

b)

Fusion

43.

The combining of an atom causes a ______________.

a)

Fission

b)

Fusion

44.

T/F: The more stretch, the more stored energy.

a)

True

b)

False

45.

The motion of macroscopic objects

a)

Mechanical

b)

Thermal

c)

Electrical

d)

Electromagnetic radiation

46.

The random motion of microscopic particles of matter

a)

Mechanical

b)

Thermal

c)

Electrical

d)

Electromagnetic radiation

47.

The bulk flow of charges

a)

Mechanical

b)

Thermal

c)

Electrical

d)

Electromagnetic radiation

48.

The disturbance propagating through electric and magnetic fields.

a)

Mechanical

b)

Thermal

c)

Electrical

d)

Electromagnetic radiation

49.

The motion of photons

a)

Mechanical

b)

Thermal

c)

Electrical

d)

Electromagnetic radiation

50.

Machines, muscles, projectile, wind, flowing water, ocean waves and sound are examples and subtypes of ______________ energy.

a)

Mechanical

b)

Thermal

c)

Electrical

d)

Electromagnetic radiation

51.

Geothermal and fire examples and subtypes of ______________ energy.

a)

Mechanical

b)

Thermal

c)

Electrical

d)

Electromagnetic radiation

52.

Circuits and lightning are examples and subtypes of ______________ energy.

a)

Mechanical

b)

Thermal

c)

Electrical

d)

Electromagnetic radiation

53.

Radiowaves, microwaves, infrared, light, UV, Xrays and gamma rays are examples and subtypes of ______________ energy.

a)

Mechanical

b)

Thermal

c)

Electrical

d)

Electromagnetic radiation

54.

Identify the situation as Kinetic or Potential:


A rocks sitting at the edge of a cliff

a)

Kinetic

b)

Potential

55.

Identify the situation as Kinetic or Potential:


A golf ball sitting on a tee before it is stuck

a)

Kinetic

b)

Potential

56.

Identify the situation as Kinetic or Potential:


A river flowing at a certain speed

a)

Kinetic

b)

Potential

57.

What does the Law of Conservation of Energy state?

a)

ženergy cannot be created or destroyed

b)

energy can merely be changed from one form of energy to another

c)

ženergy before and after the change is exactly the same

58.

Over-all energy change:


A cellphone ringing

a)

Electrical - sound

b)

Electrical - mechanical

59.

Over-all energy change:


Gasoline makes a car run

a)

chemical - mechanical

b)

chemical - electrical

60.

Over-all energy change:


Using a hair dryer

a)

electrical to mechanical, sound and heat

b)

electrical to potential

61.

What are the 3 conditions for work to be done?

a)

There is a force acting on an object

b)

The object moves

c)

The object moves in the direction of the force

62.

What quantities are needed for work to be done?

a)

the size of the force applied

b)

the distance moved by the object in the direction of the force

c)

energy required to move an object

63.

Which among the choices are renewable sources of energy?

a)

hydrolectricity

b)

geothermal

c)

biomass

d)

tidal

e)

solar

64.

Which among the choices are non renewable sources of energy?

a)

coal

b)

natural gas

c)

oil

65.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
66.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
67.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
68.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
69.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
70.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
71.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
72.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
73.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
74.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
75.
Autotrophs make up the _______ level in all ecosystems.
a)
First
b)
Second
c)
Third
d)
Fourth
76.
which symbiosis is this 
a)
parasitism 
b)
mutualism
c)
commensalism
d)
nonalism 
77.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
78.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
79.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
80.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
81.
The image provided is an example of a(n):
a)
Producer
b)
Autotroph
c)
Consumer
d)
Insect
82.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
83.
An illustration that uses arrows to show the many possible directions in which matter and energy can pass through the organisms in an ecosystem.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
Succession Map
84.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
85.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
86.
Water temperature would be an example of ...
a)
A biotic factor
b)
An abiotic factor
87.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
88.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
89.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
90.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
91.
Two or more members of a particular species living and interacting in the same area
a)
Community
b)
Population
c)
Organisms
d)
Biosphere
92.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
93.
The area between the highest mountain and the deepest ocean where life can be found
a)
Biosphere
b)
Biome
c)
Farm
d)
Ecosystem
94.
True or False:  It is possible for a carnivore to be a producer.
a)
False
b)
True
95.

The 2 kinds of adaptations to the environment

a)

Structural

b)

Behavioural

c)

Autosomal

d)

Chronological

96.

Tick all the land biomes

a)

Grassland

b)

Desert

c)

Forest

d)

Mountains

e)

Polar regions

97.

Tick all the factors of the physical environment

a)

light

b)

temperature

c)

water

d)

air

e)

pH

98.

Choose:


Cells

a)

Cellular respiration

b)

Breathing

99.

Choose:


Makes ATP

a)

Cellular respiration

b)

Breathing

100.

Choose:


Lungs

a)

Cellular respiration

b)

Breathing

101.

Choose:


Inhaling and exhaling

a)

Cellular respiration

b)

Breathing

102.

Choose:


Happens all day

a)

Cellular respiration

b)

Photosynthesis

103.

Choose:


Happens to all organisms

a)

Cellular respiration

b)

Photosynthesis

104.

Choose:


glucose + oxygen --> carbon dioxide + water + energy

a)

Cellular respiration

b)

Photosynthesis

105.

Choose:


carbon dioxide + water + energy --> glucose + oxygen

a)

Cellular respiration

b)

Photosynthesis

106.

Choose:


used by plants during day time

a)

Cellular respiration

b)

Photosynthesis

107.

Choose:


requires energy from the sun

a)

Cellular respiration

b)

Photosynthesis

108.

Choose:


breaks down dead matter to be recycled as carbon

a)

decomposer

b)

scavenger

109.

Choose:


consumes excess meat of dead organisms helping in breaking down dead matter.

a)

decomposer

b)

scavenger

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