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WorksheetsQuest 2.4
Total questions: 8
Worksheet time: 8mins
Name
Class
Date
1.
The figure below shows a ferris wheel. At which point of the ferris wheel is gravitational potential energy the lowest?
a)
P
b)
Q
c)
R
d)
S
2.
A mobile phone becomes hot when it is being charged because
a)
electrical energy is converted to heat energy only.
b)
electrical energy is converted to chemical and heat energy.
c)
chemical energy is converted to electrical and heat energy.
d)
chemical energy is converted to heat energy only.
3.
Thermal energy is transferred from one region of temperature R °C to another region of temperature S °C. What can you conclude from this?
a)
Temperature R is equal to Temperature S
b)
Temperature R is higher that temperature S
c)
Temperature R is lower than temperature S
d)
Temperature S is equal to the room temperature
4.
The diagram shows some of the energy changes that take place when a hair dryer is switched on. What is a possible identity and value of X?
a)
electrical energy : 9 J
b)
sound energy : 9 J
c)
thermal energy : 0.9 J
d)
wind energy : 0.9 J
5.
The power of an oven in a bakery shop is 550 W. It takes 1 hour to bake 3 cakes. What is the total energy used by the oven?
a)
550 J
b)
730 J
c)
33 000 J
d)
1 980 000 J
6.
What energy is stored in a dry cell?
a)
Chemical potential energy
b)
Electrical energy
c)
Kinetic energy
d)
Thermal energy
7.
Waves transfer _______________________________________________________
a)
matter but do not transfer energy
b)
both matter and energy at the same time
c)
energy but do not transfer matter
d)
matter and energy at different times
8.
In the diagram below, which option, A, B, C or D shows the wavelength?
a)
A
b)
B
c)
C
d)
D
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