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WorksheetsEnergy Unit~ Chemical Energy
Total questions: 19
Worksheet time: 20mins
Name
Class
Date
1.
Energy that is stored in chemical bonds based on the position of the bonds and is then released as thermal energy through chemical reactions is
a)
thermal energy
b)
chemical kinetic energy
c)
Charcoal is burned in a barbecue pit.
d)
electrical potential energy
2.
Which of the following is a conversion from chemical energy to thermal energy?
a)
Coal is burned to boil wate
b)
Food is digested and used to regulate body temperature.
Food is digested and used to regulate body temperature.
Food is digested and used to regulate body temperature.
c)
Charcoal is burned in a barbeque pit.
d)
all of the above.
3.
What factors determine the amount of chemical potential energy that an object has?
a)
Mass of molecules and the position of chemical bonds
b)
Speed and mass of the molecules
c)
The type of molecules present and their ability to catch fire
d)
Temperature of the molecules and position of the chemical bonds
4.
Which simple energy conversions are taking place when you use gasoline to make the car move?
a)
chemical, thermal, electrical, sound, kinetic
b)
kinetic, thermal, light, chemical
c)
thermal, kinetic, chemical, sound, electrical
d)
chemical, nuclear, thermal, sound
5.
The Law of Conservation of Energy states that__________
a)
The overall amount of energy remains the same but some energy is completely destroyed during energy transformations
b)
The overall amount of energy remains the same energy cannot be created or destroyed.
c)
The overall amount of energy can change depending on the energy conversions that take place.
d)
The overall amount of energy can change because sometimes energy is lost to the environment
6.
Which of these is not a source of chemical energy?
a)
Spaghetti
b)
The Sun
c)
Battery
d)
Petroleum
7.
What type of energy can chemical transform into?
a)
Heat
b)
Light
c)
Electrical
d)
All of the above
8.
When you lit a matchstick, the chemical bonds in the top of the match are
a)
Combined with oxygen
b)
Stay the same
c)
Broken
9.
A car produces chemical energy to use it as
a)
Mechanical and Heat
b)
Light
c)
No energy is created
10.
What is energy?
a)
The ability to cause a change
b)
A force
c)
Electricity
d)
The ability to transform work
11.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
12.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
13.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
14.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
15.
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
16.
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
17.
Energy that is transferred by objects touching is called?
a)
Conduction
b)
Convection
c)
Induction
d)
Radiation
18.
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
19.
On a roller coaster, where is maximum kinetic 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
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