1. What form of energy is produced when the strings
oud One olude
C. Rodiont 8 Elechindi
Mechanical
2 what energy transformation takes place in a blender or muert
a Mechanical energy to electrical energy
b. Blectrical energy to mechanical energy
c. Mechanical energy to chemical energy
d Thermal energy to mechanical energy
3.What happens to heat during energy transformation
a. Heat is absorbed by the environment
b. Heat escapes into outer space
c. Heat is reabsorbed by the heated object
d. Heat is changed to radiant energy
4. Which best illustrates the law of energy conservation
Clapping hands - heat
Ringing of a church bell - sound
c. Swinging of a pedulure -- onetic energy
d. Allof the above
5. When one uses an exhaust ian, what kind of energy transfer happens?
a. radiation
C. convection
b. Conduction
D nuclear
6. When does a form of energy become useful?
a. When it is stored as chemical energy
b. When it is released into the atmosphere
e. When it is transformed into another form
d. When it is conserved
7. Which is the main source of energy on earth?
A Sun B. Water C Plants D.Animals
8. Which of the following electrical devices transforms electrical ener
sound energy?
a. Stereo
C. Flashlight
b. Oven
D. Refregerator
9. What is always produced during energy transformation?
a Light
b. Heat
c. Sound
d Electricity
10. Which of the following shows that energis being transformed ?
a. A swinging pendulum
b. A candle resting on a table top
c. A ream of paper inside a box
d. A glass inside a cabinet
WRITERS​