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Energy

Total questions: 50

Worksheet time: 30mins

Name
Class
Date
1.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
2.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
3.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
4.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
both
d)
neither
5.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
6.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
7.
What is happening to the energy of the girl from point A to point B
a)
kinetic changes to potential
b)
potential changes to kinetic
c)
energy is lost
d)
energy is gained
8.
The law of conservation of energy means ________________________
a)
Energy CAN be created and destroyed or transformed
b)
Energy can be used up or transformed
c)
Energy CANNOT be created or destroyed, only transformed
d)
Energy cannot be transformed
9.
Which has the greatest gravitational potential energy?
a)
a minicooper
b)
a semi truck
c)
a human
d)
a baby
10.

A computer uses what type of energy to operate?

a)

Mechanical

b)

Light

c)

Electric

d)

Sound

11.

Which is an example of light energy?

a)

lawn mower

b)

blender

c)

flash light

d)

speaker

12.

This is an example of sound energy.

a)

headphones

b)

traffic light

c)

sun

d)

tv

13.

Electrical Energy is all EXCEPT

a)

Fireplace

b)

blender

c)

computer

d)

tv

14.

Which one represents LIGHT ENERGY?

a)

traffic light

b)

lamp

c)

light bulb

d)

flashlight

e)

all of the above

15.

Which one is an example of THERMAL ENERGY?

a)

Fireplace

b)

Sunlight

c)

campfire

d)

stove

e)

All of the above

16.

Drumming and playing the guitar are an example of:

a)

Thermal energy

b)

Light energy

c)

Sound energy

d)

Electrical energy

17.

All of the following are forms of energy EXCEPT

a)

Mechanical Energy

b)

Heat Energy

c)

Light Energy

d)

Rock Energy

18.

Another name for stored energy is

a)

kinetic energy

b)

potential energy

c)

light energy

d)

sound energy

19.

Energy in motion is:

a)

Potential Energy

b)

Heat Energy

c)

Electric

d)

Kinetic Energy

20.

The picture shows what type of transformation

a)

Electrical to mechanical

b)

light to electric

c)

electrical to light

d)

light to light

21.

What type of transformation is shown in the picture

a)

potential to kinetic

b)

kinetic to potential

c)

potential to light

d)

potential to sound

22.

What type of energy transfer is showed in the image

a)

potential to kinetic

b)

electrical to potential

c)

electrical to thermal

d)

thermal to electrical

23.
What do plants give off after photosynthesis?
a)
Oxygen
b)
carbon
c)
nitrogen
d)
hydrogen
24.
Plants need ________from the air for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
25.
What molecule absorbs sunlight during photosynthesis?
a)
Epidermis
b)
thylakoid
c)
the leaf
d)
chlorophyll
26.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants do not require energy to perform photosynthesis.
27.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
28.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
29.
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
30.
Why are plants important to life on Earth?
a)
They make our world more beautiful
b)
They make the planet look green
c)
They use carbon dioxide and give us oxygen
d)
They provide shade for insects
31.
In what part of the cell does photosynthesis occur?
a)
Nucleus
b)
Chloroplast
c)
Epidermis
d)
Vacuole
32.
After photosynthesis, plants store their energy as _________ .
a)
chlorophyll
b)
pigment
c)
glucose (sugar)
d)
Oxygen
33.
______________ produces the most ATP.
a)
photosnthesis
b)
aerobic respiration
c)
anaerobic respiration
d)
glycolysis
34.
Where does aerobic respiration take place?
a)
Cytoplasm
b)
Mitochondria
c)
Stroma
d)
Thylakoid
35.
Which type of respiration occurs in the presence of oxygen?
a)
Aerobic
b)
Anaerobic
36.
Which type of respiration occurs without the presence of oxygen?
a)
Aerobic 
b)
Anaerobic 
37.
The overall goal of cellular respiration is to make:
a)
Glucose
b)
ATP
c)
Oxygen
d)
Water
38.
What is the name of the process that helps make beer and wine?
a)
Fermentation
b)
Alcoholic fermentation
c)
Lactic acid fermentation
d)
Glycolysis
39.
Which type of fermentation occurs in muscles?
a)
Alcoholic 
b)
Lactic acid
40.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
41.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

42.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
43.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
44.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
45.
After the enzyme and substrate bind together and perform the reaction, what does the substrate become?
a)
a substrate
b)
an enzyme
c)
a product
d)
an active site
46.

In a chemical reaction, ________ are what you have at the end

a)

Products

b)

Molecules

c)

Reactants

d)

Substances

47.
In a chemical reaction, bonds are broken and new bonds are formed that create new substances. The bonds that are broken are called what?
a)
Reactants
b)
Products
c)
Atoms
d)
Catalysts
48.
Enzymes provide a site where reactants called substrates can be brought together in an enzyme-catalyzed reaction. The site is called the
a)
enzyme substrate complex.
b)
reaction site.
c)
active site.
d)
lock and key.
49.
An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 
a)
true
b)
false
50.
What is the name for the mechanism of enzyme activity?
a)
Lock and key
b)
jigsaw puzzle
c)
hammer and nail
d)
two hands pattern

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