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Cycling of Matter and Energy

Total questions: 62

Worksheet time: 37mins

Name
Class
Date
1.

Define Energy

a)

the work of the earth system

b)

the ability to do work

2.

What is the Law of Conservation of Energy

a)

Energy can not be created or destroyed, it can only be changed

b)

Energy can be created or destroyed

3.

What of the one listed are forms of potential energy

a)

Electrical Energy

b)

Gravitational Energy

c)

Chemical Energy

d)

Elastic Energy

e)

Mechanical Energy

4.

What of the forms of energy listed or forms of kinetic energy

a)

Mechanical Energy

b)

Thermal Energy

c)

Chemical Energy

d)

Electrical Energy

e)

Gravitational Energy

5.

The smallest unit of an element that has all the basic properties of the element is called

a)

molecule

b)

compound

c)

atoms

6.

How many atoms of oxygen (O) are represented by the formula Na2C2O4?

a)

4

b)

2

c)

3

d)

6

7.

According to the law of conservation of energy a bouncy ball should never stop bouncing. However we all know that it eventually stops. Where does the energy go?

a)

Some energy gets destroyed by the repeated collisions with the earth

b)

Some gets converted to sound energy and thermal energy escapes into the surroundings

c)

The energy gets converted to electricity

8.

Water that is stored in a reservoir that is behind a dam has........

a)

Gravitational

b)

Mechanical

c)

Elastic

d)

Electrical

9.

A molecule is formed when two or more atoms are chemically bonded together..

a)

True

b)

False

10.

A compound is when two or more atoms are chemically bonded together with two or more different elements

a)

True

b)

False

11.

Which letter is the reactants

a)

A

b)

B

c)

C

d)

D

e)

E

12.

What latter is the products?

a)

F

b)

E

c)

D

d)

C

e)

B

13.

Which of these are an example of energy

a)

Gravitational

b)

Bouncy Ball

c)

Sleep

14.

How many atoms of nitrogen are in the molecule of CH2N4OH

a)

1

b)

2

c)

3

d)

4

15.
Which of the following equation is balanced?
a)
CuCl + H2O --> CuOH + HCl
b)
2Ca + Cl2 --> CaCl2
c)
2Fe + 3O2--> 2Fe2O3
d)
H2 + Cl2--> HCl
16.
How many atoms of nitrogen are in the molecule of CH2N4OH
a)
1
b)
2
c)
3
d)
4
17.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
18.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
19.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
20.
Can you create energy?
a)
Yes
b)
No
21.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
22.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
23.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
24.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
25.
Which of the following energy transfers occurs when food is digested?
a)
chemical to mechanical
b)
radiant to nuclear
c)
mechanical to potential
d)
thermal to chemical
26.

Which subatomic part of an atom gives it a positive charge?

a)

Neutron

b)

Proton

c)

Electron

d)

Nucleus

27.

Which region of an atom has a negative charge?

a)

The nucleus

b)

proton

c)

neutron

d)

electron

28.

What is the smallest 'building block' of the elements that make up the universe?

a)

An atom

b)

An electron

c)

A proton

d)

A cell

29.

A neutral particle found in the nucleus of an atom

a)

neutron

b)

proton

c)

electron

30.

How many protons are in carbon?

a)

12

b)

6

c)

0

d)

7

31.

Protons + __________ = atomic mass

a)

electrons

b)

neutrons

c)

neither

32.

What determinate the atomic number

a)

the number of protons

b)

the number of electrons

c)

the number of neutrons

d)

the location of an atom on the periodic table

33.
Burning a piece of paper 
a)
Chemical Change 
b)
Physical Change 
34.

A _________ is a substance made of two or more DIFFERENT elements chemically combined.

a)

mixture

b)

compound

c)

substance

d)

molecule

35.

Ripping a Piece Paper

a)

Physical Change

b)

Chemical Change

36.

Bouncing a Ball

a)

Physical Change

b)

Chemical Change

37.

What energy transformations are happening with a bouncy ball

a)

Mechanical -> Elastic -> Gravitational -> Mechanical

b)

Elastic -> Mechanical -> Gravitational -> Mechanical

c)

Gravitational -> Mechanical -> Elastic -> Mechanical

d)

Gravitational -> Elastic -> Mechanical -> Mechanical

38.

What is the energy transformations of a dam

a)

Electrical -> Mechanical -> Gravitational -> Mechanical

b)

Gravitational -> Mechanical -> Mechanical -> Electrical

c)

Mechanical -> Mechanical -> Gravitational -> Electrical

d)

Gravitational -> Mechanical -> Electrical -> Mechanical

39.

When you are sitting terrified on the Tower of Doom, waiting to drop, what type of energy do you have?

a)

Potential

b)

Elastic

c)

Mechanical

d)

Gravitational

40.

Which of the graphs above bests represents the kinetic and potential energy of the roller coaster in its current position in the diagram?

a)

A

b)

B

c)

C

d)

D

41.

At which point would the potential energy of the roller coaster be the greatest and the kinetic energy be the least?

a)

A

b)

B

c)

C

d)

D

42.

At which point would the kinetic energy of the roller coaster be the greatest and the potential energy be the least?

a)

A

b)

B

c)

C

d)

D

43.

The chemical formula for Methane is CH4. Which of the molecules shown above is methane?

a)

Molecule A

b)

Molecule B

c)

Molecule C

d)

Molecule D

44.

The region at the center of the atom is called the

a)

Nucleus

b)

Proton

c)

Election

d)

Neutron

45.

Which of the following bests describes the energy conversion involved when you are using a hand warmer?

a)

Mechanical

b)

Gravitational

c)

Thermal

d)

Elastic

46.

How many water molecules (H2O) are there in part E of the chemical reaction shown above?

a)

5

b)

3

c)

2

d)

4

47.

Which of the following would be the chemical formula for molecule D?

a)

C

b)

C2H4O2H

c)

CH4

d)

CO3H2

48.

How many atoms of oxygen (O) are represented by the formula Na2C2O4?

a)

1

b)

2

c)

4

d)

3

49.

How many Sodium (Na) atoms are in the chemical equation

a)

5

b)

6

c)

3

d)

4

50.
Which is an example of potential energy?
a)
A car sitting at the top of a hill
b)
A kite flying in the air
c)
A fox chasing a mouse
d)
A bowling ball rolling
51.

What type of energy is the girl storing in the bow?

a)

Electromagnetic (Radiant) Energy

b)

Elastic Energy

c)

Chemical Energy

d)

Thermal Energy

52.
Energy is the ability to do  ___________.
a)
Nothing
b)
Work
c)
Energy
d)
Change
53.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
54.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
55.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
56.
 Where would this skateboarder have the MOST kinetic energy? 
a)
1
b)
2
c)
3
d)
4
57.

Energy of motion is

a)

mass

b)

potential

c)

gravity

d)

kinetic

58.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

59.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

60.

Burning a fire

a)

Chemical

b)

Physical

61.

vinegar mixed with baking soda

a)

Chemical

b)

Physical

62.

Why does the total energy stay the same?

a)

The energy is not being created or destroyed: only transformed

b)

Energy stays the same because the energy needs to stay the same

c)

The total energy does not stay the same

d)

Energy stays the same because it changes potential to kinetic energy

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