Give reasons : you feel heat when you come near to electric lamps
Because the electric lamps change electric energy to light and sound energy.
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15
Which of the following statements is correct? a. Energy can't be changed from one form to another. b. Energy can be changed from one form to another. c. Energy may be lost or destroyed. d. Energy can be created.
B
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15
The most famous robot sent to Mars is called - - - - - - - -
Curiosity Rover
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15
True or false : energy may be destroyed inside different devices
False
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trap
No points!
Oops!
shark
Other team loses 25 points!
Okay!
fairy
Take points!
5
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20
25
banana
Go to last place!
Oops!
boom
Lose 50 points!
Oops!
star
Double points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
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25
15
Write the scientefic term : the wasted energy when using the mobile phone for a long time.
Thermal energy
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15
True or false : the input energy in solar panels is electric energy
False ( solar)
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boom
Lose 50 points!
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gift
Win 20 points!
Okay!
fairy
Take points!
5
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25
baam
Lose 15 points!
Oops!
15
True or false : kinetic energy produced from the hair dryer is wasted energy
False ( sound energy is wasted energy)
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15
Complete : solar panels change - - - - - ( energy to - - - - energy
Solar energy to electric energy
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15
Arrange energy chain in heat a water pot :
1 sun 2 cutting trees 3 burning wood
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15
Write the scientefic term : The output energy in the electric iron.
Thermal energy
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15
What happens if : you turns on an electric blender ( according to the change in energy)
Electric energy will change to kinetic energy and sound energy and heat energy
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15
Write the scientefic term : it is the main source of energy on Earth
The sun
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15
Arrange the energy chain in the mobile phone :
1 sun 2 cutting trees 3 coal 4 electric power stations 5 battery in the mobile 6 light and sound