Download Energy transformations Quiz

Energy and Transformations
Names: ______________________________________
1. Which diagram best shows the energy transformation from sunlight to chemical energy in an
organism?
A.
C.
B.
D.
2. The energy transformation taking place during decomposition occurring in a compost bin
has ---A. the chemical energy of organic matter transformed into radiant energy
B. the radiant energy of sunlight transformed into the radiant energy of bacteria
C. the chemical energy stored in organic matter transformed into thermal energy by the
microorganisms responsible for decomposition.
D. the creation of energy is a primary process, but it also releases waste heat
3. Diesel fuel is used in the engines of the machines and trucks at the quarry. Which of these is
the main energy transformation as the fuel is used by the engines?
F. Electrical energy is converted to heat energy.
G. Heat energy is converted to potential energy.
H. Electrical energy is converted to kinetic energy.
J. Chemical energy is converted to kinetic energy.
4. The diagram above shows a side elevation view of the Sabine River and the Toledo Bend
Reservoir. At which point on the diagram does water have the greatest potential energy.
A. W
B. X
C. Y
D. Z
5. A gasoline-powered vehicle goes up a hill from point X to point Y. What energy
transformation must occur in the car’s engine?
A Chemical energy into mechanical energy
B Electrical energy into chemical energy
C Heat energy into chemical energy
D Mechanical energy into nuclear energy
6. The drawing above shows a diagram of the Steel Dragon 2000, a roller coaster in Japan. It is
one of the longest roller coasters in the world. At which point on the roller coaster would a rider
have the greatest gravitational potential energy?
A. W
B. X
C. Y
D. Z
7. When charcoal burns completely, it starts out as a solid and changes to gases and ash.
Which of the following energy transformations occurs when charcoal is burned?
A. Chemical to heat
B. Electrical to light
C. Light to chemical
D. Mechanical to electrical
8. Which energy transformation occurs when a match is lit?
F. Chemical energy to heat energy
G. Heat energy to potential energy
H. Electrical energy to heat energy
J. Kinetic energy to potential energy
9. The diagram shows a generator powered by a water turbine. Water flows through the turbine
blades and turns the shaft. The turning shaft then powers a generator. What energy conversion
takes place in the water turbine generator?
A.
B.
C.
D.
Electrical energy is converted to mechanical energy
Solar energy is converted to thermal energy
Thermal energy is converted to electrical energy
Kinetic energy is converted to electrical energy.
10. Which of the following best represents stored potential energy?
F. Air leaking from a flat tire
G. Stress built up in a rock fault
H. Heat given off by a forest fire
J. Water flowing through a hose