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Science

Total questions: 179

Worksheet time: 2hrs 20mins

Name
Class
Date
1.
Fish, dolphins, whales, sea turtles, and plants live here. What habitat is this describing?
a)
Stream
b)
Polar Region
c)
Rainforest
d)
Ocean
2.
A desert habitat is cold and wet.
a)
True
b)
False
3.
All habitats are the same 
a)
True 
b)
False 
4.

Where does this animal live?

a)
b)
c)
d)
5.

What habitat has the most amount of trees?

a)

Rainforst

b)

Desert

c)

Grasslands

d)

Arctic

6.

Where does this animal live?

a)
b)
c)
d)
7.

Where does this animal live?

a)
b)
c)
d)
8.

What is a habitat?

a)

A way an animal behaves.

b)

A group of the same animals living together.

c)

A specific place where an animal naturally lives.

d)

When an animal lives in a place that is not their home eg. a zoo

9.
a)

polar region

b)

ocean

c)

jungle

d)

desert

e)

mountains

10.
a)

polar region

b)

ocean

c)

jungle

d)

desert

e)

mountains

11.
a)

polar region

b)

ocean

c)

jungle

d)

desert

e)

mountains

12.

Where do you find jellyfish?

a)
b)
c)
d)
13.

What's the name of this habitat?

a)

Forest

b)

Desert

c)

Ocean

d)

Tundra

14.

These are habitats found on LAND.

a)

Aquatic Habitats

b)

Terrestrial Habitats

c)

Aerial Habitats

15.

These are habitats found on WATER.

a)

Aquatic Habitats

b)

Terrestrial Habitats

c)

Aerial Habitats

16.

What is a food chain?

a)

The flow of energy from one thing to another

b)

The way animals eat each other

c)

The way the sun makes everything

d)

How the plants grow

17.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
18.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
19.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
20.
What animal is on the top of the food chain? 
*Remember Humans are on the top of all food chains because we do not get hunted. 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Owl
21.
What do Herbivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
22.

What do plants need to make their own food?

a)

Sun, Water, and Animals

b)

Sun, Coke, and Soil

c)

Sun, Water, and Soil

d)

Nothing at all

23.

An example of a predator:

a)

shark

b)

mouse

c)

rabbit

24.

An example of prey:

a)

lion

b)

mouse

c)

shark

25.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
26.

What is a decomposer?

a)
b)
c)
d)
27.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
28.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
29.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
30.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
31.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
32.
True/False
Food webs show you everything an animal eats. Food chains show you one thing.
a)
True
b)
False
33.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
34.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
35.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
36.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
37.
Animals that are being hunted and eaten by predators.
a)
prey
b)
extinct
38.
Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?
a)
The rabbit population may increase
b)
The rabbit population may decrease
c)
The rabbit population may increase first, then decrease
d)
The rabbit population will remain the same
39.
A population of mice lives in a barn community. A cat population has just joined the community. What will happen?
a)
Mouse and cat populations both go up?
b)
Mouse and cat populations both go down
c)
Mouse population goes down as cat population goes up
d)
Mouse population goes up as cat population goes down
40.
An animal that eats only plants is an...
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
41.
Where an animal lives is called the animal's ______
a)
wildlife
b)
habitat
c)
environment 
d)
carnivore 
42.
Which of the following is a producer?
a)
Maple tree
b)
Sunfish
c)
Bunny
d)
Bear
43.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
44.

What is a fuel?

a)

Any substance that can provide heat and produce energy when it is burned

b)

Some energies can be created and destroyed

c)

The tools that provide the heat

d)

Heat energy made by human

45.

Which one is not types of fuel?

a)

Solid Fuels

b)

Liquid Fuels

c)

Water Fuels

d)

Gaseous Fuels

46.

Which is the correct classification of fuel?

a)

On the basis of their fuels state and gaseous

b)

On the basis of their fuels state and occurrence

c)

On the basis of their fuels state and solid

d)

On the basis of their fuels occurrence and natural

47.

Which one is not solid fuels?

a)

Wood

b)

Oil Shale

c)

Coal

d)

Petroleum

48.

What is the advantage of solid fuels?

a)

A large portion of the energy is wasted

b)

Low production cost

c)

Burn without ash

d)

All of correct

49.

What is the disadvantages of liquid fuels?

a)

Burn without ash

b)

Controlling the combustion is easier

c)

Greater risk of fire hazards.

d)

Transportation easier through pipes

50.

What is the advantage of gaseous fuels?

a)

Clean after use

b)

More expensive

c)

Busy to transport

d)

Require special burner technology

51.

What is process that change water vapor to liquid water?

a)

condensation

b)

evaporation

c)

transportation

d)

precipitation

52.

What roles does the Sun play in the water cycle?

a)

The sun provides light energy so that water will evaporate.

b)

The Sun provides heat energy so that water will condenses.

c)

The Sun provides light energy so that water will accumulate.

d)

The Sun provides heat energy so that water will evaporate.

53.

Forms of precipitation are-

a)

water,rain,sleet,hail

b)

rain,snow,heat,hail

c)

water,hail,heat,snow

d)

rain,snow,sleet,hail

54.

Why water cycles are important?

(a)  

55.

What is evaporation?

a)

change gas to liquid

b)

rain,snow,sleet,hail

c)

change liquid to gas

56.

What happen AFTER precipitation?

a)

Run-off

b)

evaporation

c)

condensation

d)

accumulation

57.

What those statement it NOT true?

a)

evaporation is important to water cycles

b)

after run-off is accumulation

c)

before condensation is precipitation

58.

Water condenses when-

a)

The sun energy heat

b)

when the water comes down to the earth

c)

when the temperature cools atmosphere

59.

What is accumulation?

a)

it is where water collect

b)

it change gas to liquid water

c)

it is sleet,hail,snow,rain

d)

gravity flow it to the ocean

60.

The water cycle requires energy to make the process work.Where does that energy come from?

a)

Strong winds that blows from the west

b)

heavy rainfall

c)

the Moon´s orbit around the earth

d)

the Sun´s light and heat energy

61.

What roles does the Sun play in the water cycle?

a)

The sun provides light energy so that water will evaporate.

b)

The Sun provides heat energy so that water will condenses.

c)

The Sun provides light energy so that water will accumulate.

d)

The Sun provides heat energy so that water will condenses.

62.

What is the symbol for Iron?

a)

Fe

b)

FE

c)

Ir

d)

Iron

63.

What is the atomic number for Silver?

a)

57

b)

42

c)

47

d)

26

64.

What is the melting point for Nickel?

a)

2455°F

b)

1455°c

c)

1455°F

d)

1455°C

65.

The list which contains only metals is .......

a)

aluminium, copper, nitrogen

b)

iron, oxygen, hydrogen

c)

iron, silver, copper

d)

iron, sulphur, copper

66.

What are the properties of Copper?

a)

Soft, Malleable, Ductile

b)

Hard, Durable, Ductile

c)

Good conductor, Dark, Soft

67.

What colour is Gold?

a)

Gold

b)

Redish-yellow

c)

Orange

d)

Blue

68.

The property of metals by which they can be beaten in to shape.

a)

Sonority

b)

Malleability

c)

Ductility

d)

None of the above

69.

Which metal is commonly used for Cutlery, kitchen sinks, door handles?

a)

Tin

b)

Lead

c)

Aluminium

d)

Stainless steel

70.

The chemical symbol for Potassium

a)

K

b)

P

c)

Po

d)

Ks

71.

An alloy is harder than its pure metal because the foreign atoms in the alloy

a)

increase the bond strength between the atoms.

b)

increase the empty spaces between the atoms.

c)

react with the pure metal atoms to form a compound.

d)

reduce the ability of the atoms to slide across each other.

72.

Brass is an alloy consisting of a mixture of

a)

copper and zinc

b)

copper and lead

c)

copper and tin

d)

tin and lead

73.

The main element present in brass and bronze is

a)

copper

b)

lead

c)

zinc

d)

tin

74.

Which of the following alloy is used to make the body of an aeroplane?

a)

Brass

b)

Duralumin

c)

Steel

d)

Pewter

75.

Which of the following is not the aim of alloying?

a)

To increase the strength and hardness of metal.

b)

To prevent corrosion of metal.

c)

To improve the appearance of metal

d)

To increase the melting point.

76.

What is the composition of brass?

a)

30% tin and 70% copper

b)

10% tin and 90% copper

c)

30% zinc and 70% copper

d)

10% zinc and 90% copper

77.

Which of the following statements below is true?

a)

Copper is more ductile than brass

b)

Brass is more malleable than copper

c)

Iron is shinier than stainless steel

d)

Iron is more resistant to corrosion than steel

78.

Which of the following characteristics belong to pure metals?

I. Ductile

II. Malleable

III. Brittle

IV. Good conductor of electricity

a)

I and II

b)

I and IV

c)

I, II and IV

d)

I, II, III and IV

79.

Which of the following properties does not belong to an alloy as compared to its pure metal?

a)

Stronger

b)

More corrosion resistant

c)

Harder

d)

More malleable

80.

Alloy is a ...

a)

A chemical compound with combination between metal and non-metal

b)

A salt contain of two or more elements where the main element is non-metal

c)

Mixture of two or more elements where the main element is metal

81.

This alloy contain 93% aluminium, 3% copper, 3% magnesium and 1% manganese. This alloy is known as

a)

Brass

b)

Bronze

c)

Steel

d)

Duralumin

82.

Bronze contain copper and

a)

Zinc

b)

Tin

c)

Magnesium

d)

Antimony

83.

The purpose of this experiment is to compare

a)

Hardness of metal and alloy

b)

Resistance towards corrosion of metal and alloy

84.

What is the main metal used to made pewter?

a)

Tin

b)

Copper

c)

Antimony

d)

Aluminium

85.

What can be made with steel?

a)

Bridges

b)

Monument

c)

Household articles

d)

Bicycles

86.

Which is the follow processes increases the hardness of a metal?

a)

Purification

b)

Plating

c)

Alloying

d)

Electrolysis

87.

What is a metal?

a)

a) any chemical element that loses one or more valence electrons to form a positive ion

b)

b) any chemical element that gains one or more valence electrons to form a negative ion

c)

c) any chemical element that gains two or more valence electrons to form a positive ion

d)

d) any chemical element that loses two or more valence electrons to form a positive ion in a chemical reaction

88.

Metal crystals are called "grains"

a)

a) True

b)

b) False

89.

Alloys have a melting point; Pure metals have a melting range.

a)

a) Both statements are true

b)

b) Both statements are false

c)

c) First statement is true; second statement is false

d)

d) First statement is false; second statement is true

90.

Pure metals have specific characteristics; Alloys have combined characteristics.

a)

a) Both statements are true

b)

b) Both statements are false

c)

c) First statement is true; second statement is false

d)

d) First statement is false; second statement is true

91.

Pure metals have a fixed melting and freezing point.

a)

a) True

b)

b) False

92.

Liquidus point/temperature is the point where the alloy starts to melt.

a)

a) True

b)

b) False

93.

Solidus point/temperature is the temperature at which the alloy is completely melted.

a)

a) True

b)

b) False

94.

Heating metals to a specific temperature below red hot can relieve stresses in metal and increase their hardness...this type of heat treatment is called?

a)

a) Annealing

b)

b) Tempering

c)

c) Stress relieving

d)

d) Quenching

e)

e) Hardening

95.

What is the opposite of tempering?

a)

a) Annealing

b)

b) Hardening

c)

c) Quenching

d)

d) Stress Relieving

96.

All noble metals are precious, but not all precious metals are noble...

a)

a) True

b)

b) False

97.

Noble metals include iron, copper, nickel, cobalt, molybdenum and tungsten.

a)

a) True

b)

b) False

98.

Base metal contains less than 70% of noble metal.

a)

a) True

b)

b) False

99.

High noble metals contain 90% or more noble metal; Medium noble metal contains 70% or more, but less than 90%.

a)

a) Both statements are true

b)

b) Both statement are false

c)

c) First statement is true; second statement is false

d)

d) First statement is false; second statement is true

100.

What is energy?

a)

The ability to do work and cause change

b)

A push or a pull

c)

a structure inside of an animal

d)

a pathway

101.

Work is defined as...

a)

pulling weeds

b)

the application of force through a distance

c)

anything that takes up space

d)

stopping a moving object

102.

What is defined as a change in position of an object over time?

a)

energy

b)

work

c)

force

d)

motion

103.

In order to do work, what must be present?

a)

gloves

b)

muscles

c)

energy

d)

lungs

104.

Which of the following is NOT a form of energy?

a)

mechanical energy

b)

electrical energy

c)

thermal energy

d)

wood energy

105.

What is thermal energy?

a)

energy that must flow through circuit

b)

heat energy

c)

energy of moving parts

d)

light energy

106.

Stored energy is called

a)

potential energy

b)

light energy

c)

kinetic energy

d)

lost energy

107.

Energy of a moving object is called

a)

potential energy

b)

light energy

c)

thermal energy

d)

kinetic energy

108.

When a moving object runs into another object, that is called a

a)

potential energy

b)

collision

c)

circuit

d)

load

109.

What happens when a collision occurs?

a)

potential energy is stored up

b)

two cars are crushed

c)

energy is transferred from one object to another

d)

the object that was hit will always stay still

110.

Identify the type of energy

a)

Thermal energy

b)

Sound energy

c)

Mechanical energy

d)

Electrical energy

111.
What is energy?
a)
Energy doesn't exist
b)
It is the capacity to burn coal
c)
It is the ability to do work or to produce transformations
d)
It is a property of the matter used to meassure forces
112.
Mainly, How many types of energy are there?
a)
A lot of
b)
Kinetic and potential energy
c)
Electric and gravitational energy
d)
Elastic and kinetic energy
113.
The ability to move something or cause a change in matter is .....
a)
energy
b)
opaque
c)
heat
d)
light
114.
What is the kinetic energy?
a)
It is a powerful energy
b)
It is motion energy
c)
It is stored energy
d)
It is not a type of energy
115.
Which of the following types of energy are types of potential energy?
a)
Elastic, nuclear, gravitational and chemical
b)
Gravitational and light
c)
Elastic and wind
d)
Chemical, sound and light
116.
Which of the following types of energy are types of kinetic energy?
a)
Elastic and chemical
b)
Motion and nuclear
c)
Gravitational and nuclear
d)
Motion, wind, thermal, light and sound
117.
Sailing ships obtain  their energy from ........
a)
Gasoline
b)
Sun
c)
Wind
d)
Sea
118.
Animals obtain their energy from ....... 
a)
Food
b)
Sun
c)
Air
d)
Uranium
119.
Which form of energy does the flowing water possess?
a)
Gravitational energy
b)
Potential energy
c)
Electrical energy
d)
Kinetic energy
120.

The Sun produces ______ and ______ energy

a)

thermal, light

b)

chemical, sound

c)

kinetic, light

121.

Moving things have_______energy

a)

sound

b)

electrical

c)

kinetic

122.

The principle of energy conservation states:

a)

Energy can be created but not destroyed

b)

Energy cannot be created, nor destroyed.

c)

Energy can be destroyed but not created

123.

The image shows

a)

Kinetic energy

b)

Kinetic and mechanical energy

c)

Thermal and kinetic energy

d)

Potential and kinetic energy

124.

The image shows

a)

Renewable energy

b)

Non renewable energy

c)

Both

d)

None

125.

Potential energy refers to

a)

the energy of something due to its position

b)

the energy of something due to its location

c)

the energy of something due to its temperature

126.

Hidroelectric power stations produce electricity with the use of

a)

Gravitational and kinetic energy

b)

thermal and water energy

c)

potential and kinetic energy

d)

kinetic and electrical energy

127.
The ability to do work is
a)
power
b)
energy
c)
thermal
d)
kinetic
128.
Heat energy is also called
a)
electrical energy
b)
chemical energy
c)
light energy
d)
thermal energy
129.
Sound energy needs a
a)
medium
b)
vacuum
c)
chemical
d)
light
130.
Electrical Energy is:
a)
energy caused by the vibrations of an object
b)
energy caused by changes in the nucleus of an atom
c)
energy of moving electrons
d)
energy caused by heat
131.
The energy caused by an object's vibrations
a)
chemical
b)
light
c)
sound
132.
What machine changes electrical energy into light and sound energy
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
133.
What machine changes chemical energy into heat, light and sound energy
a)
blender
b)
firecracker
c)
lightbulb
d)
apple
134.
a)
F. Pole Vaulter
b)
G. Iron
c)
H. Computer Screen
d)
J. Ball Rolling
135.
A student connected some wire to a battery and a small bulb to make a simple circuit. Energy from the battery is changed into electricity. What type of energy is stored in the battery?
a)
chemical
b)
nuclear
c)
heat
d)
light
136.
Which type of energy is being produced?
a)
light
b)
nuclear
c)
chemical
d)
mechanical
137.
Which material is used as a source of heat to help people keep warm when it is cold?
a)
iron
b)
gold
c)
diamonds
d)
natural gas
138.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
139.
The Sun provides Earth with _________________.
a)
chemical energy
b)
radiant energy
c)
electrical energy
d)
magnetic energy
140.
Can energy be created or destroyed?
a)
Yes, it can be created.
b)
Yes, it can be destroyed.
c)
No, energy is always conserved
d)
None of these
141.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
142.
What is kinetic energy?
a)
the energy of position or shap
b)
ability to do work
c)
the energy of motion
d)
a dog
143.
Energy that an object has because of its position. Stored energy.
a)
Kinetic energy
b)
Potential energy
144.
Energy of motion. Moving energy.
a)
Potential Energy
b)
Kinetic Energy
145.
Energy stored in the compounds of matter. Food and batteries are examples.
a)
Electrical energy
b)
Sound energy
c)
Chemical energy
d)
Thermal energy
146.
Energy of moving electrons.
a)
Electrical energy
b)
Sound energy
c)
Nuclear Energy
d)
Thermal energy
147.
A device that converts electrical energy to light energy.
a)
A blender
b)
A light bulb
c)
A bycycle
d)
A balloon
148.
Energy that is caused by vibrations in the air. A form of kinetic energy.
a)
Light energy
b)
Electrical energy
c)
Nuclear energy
d)
Sound energy
149.
Energy caused by the movement in the particles of matter. It is a form of kinetic energy.
a)
Nuclear energy
b)
Sound energy
c)
Light energy
d)
Thermal energy
150.
Energy that comes from the nucleus of an atom. A form of potential energy.
a)
chemical energy
b)
Nuclear energy
c)
Sound energy
d)
Electrical energy
151.
A device that takes electrical energy and turns it into thermal energy.
a)
A battery
b)
A hair dryer
c)
A bicycle
d)
You stomach
152.
What is energy transfer?
a)
The transfer of heat from a cold object to a warm one
b)
The transfer of heat from a warm object to a cold one
153.
The transfer of heat by the movement of a fluid is called:
a)
conduction
b)
convection
c)
radiation
154.
Convection can take place in:
a)
solids and liquids
b)
liquids and gases
c)
solids and gases
d)
None of the options
155.
Convection is the transfer of heat by:
a)
touching
b)
currents
c)
electromagnetic waves
156.
When convection occurs:
a)
Warm air sinks and cool air rises
b)
warm air rises and cool air sinks
c)
warm air and cool air sink
d)
warm air and cool air rise
157.
Radiation is the transfer of heat by:
a)
touching
b)
currents
c)
electromagnetic waves
158.
Which of the following is an example of radiation
a)
warm air rising, cool air sinnking
b)
standing next to a fire and feeling the heat (wihtOUT touching it)
c)
Touching a pot handle
159.
True or False: When your feet touch the hot sand at the beach, this is an example of radiation
a)
True
b)
False
160.
Transfer of heat through conduction can occur in which of the following
a)
solids
b)
liquids
c)
gases
d)
all of the above
161.
Conduction is the transfer of heat by:
a)
Direct contact between 2 objects
b)
Hot fluids rising and cool fluids sinking
c)
Electromagnetic waves
162.
Which of the following is an example of heat transfer through conduction?
a)
You are standing near a fireplace and can feel the heat
b)
You are holding an ice cube and it melts
163.
Where can earth's atmosphere be heat by conduction?
a)
In the upper atmosphere where warm air rises and cool air sinks
b)
On the surface where the air is touching the surface
164.

Which letter shows the ball when it has NO potential energy?

a)

B

b)

C

c)

D

d)

E

e)

F

165.

Which letter shows the ball when it has THE MOST kinetic energy?

a)

B

b)

C

c)

D

d)

E

e)

F

166.

Which letter shows the ball when it has THE LEAST kinetic energy?

a)

A

b)

B

c)

C

d)

F

e)

G

167.

Which letter shows the ball when it is moving the fastest?

a)

B

b)

C

c)

D

d)

E

e)

F

168.

Which letters shows the ball when it has BOTH kinetic and potential energy?

The ball starts and ends AT REST. List all that apply in alphabetic order!

(a)  

169.

The Law of Conservation of Energy states:

a)

Energy can created or destroyed but not transformed

b)

Energy cannot be created or destroyed, it can only transformed

c)

Energy can't be created, destroyed or transformed

d)

Energy cannot be created or destroyed.

170.
the equation for gravitational potential energy is 
a)
PEg = mgh
b)
PEg= 1/2kx2
c)
PEg= Fd
d)
PEg = 1/2mv2
171.

You drop a 5 kg ball from a height of 2 m. how much is the kinetic energy of the object just before it hits the ground

a)
10 J
b)
100 J
c)
7 J
d)
20 J
172.

A 20 kg box is lifted 6 m above the ground. How much PEg does it have?

a)

120 J

b)

200 J

c)

1200 J

d)

60 J

173.

A ball is elevated some distance off the ground. If it has a mass of 3 kg and a potential energy of 90 J, how high off the ground is the ball?

a)

2700 m

b)

27 m

c)

900 m

d)

3 m

174.

What happens to the PEg of a rock that sits on the edge of a cliff as it starts to fall?

a)

The rock loses PEg and gains KE.

b)

The rock loses KE and gains PEg.

c)

The rock retains all its PEg and gains KE

d)

The rock retains both PEg and KE

175.

What happens when the ball goes from the highest position to the lowest position

a)

PE and KE increases and decreases together

b)

Impossible to know without knowing the mass of the object

c)

the PE decreases while KE increases

176.

A 1.0 kg ball is stationary at the top of a hill that is 10.0 meters in height. The ball rolls all the way down the hill. What is its gravitational potential energy at the bottom of the hill?

a)

0 joules

b)

98 joules

c)

49 joules

d)

38 joules

177.

The Law of Conservation of Energy states:

a)

Energy can created or destroyed but not transformed

b)

Energy cannot be created or destroyed, it can only transformed

c)

Energy can't be created, destroyed or transformed

d)

Energy cannot be created or destroyed.

178.

Where does the pendulum have the same amount of kinetic energy and potential energy? (pick 2)

a)

A

b)

B

c)

C

d)

D

e)

E

179.

If a ball tossed into the air has a maximum gravitational potential energy of 5.75 joules, what is its maximum kinetic energy in the same toss?

a)

5.75 joules

b)

11.14 joules

c)

2.88 joules

d)

7.93 joules

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