Write the scientefic term : The output energy in the electric iron.
Thermal energy
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baam
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seesaw
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fairy
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star
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shark
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thief
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15
Write the scientefic term : energy stored in the batteries
Chemical energy
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Write the scientefic term : the wasted energy when using the mobile phone for a long time.
Thermal 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
Give reasons : the presence of batteries inside the toy cars
Because the battery stores chemical energy that is change to electric energy when we operate the toy
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15
Complete : energy chains start with - - - - - -
The sun
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baam
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rocket
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What is meant by : Law of conservation of energy
Energy cannot be created or destroyed, but it can change from one form to another.
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True or false : energy may be destroyed inside different devices
False
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Arrange the energy chain in the picture :
1 solar energy 2 chemical energy 3 kinetic energy
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Complete : solar panels change - - - - - ( energy to - - - - energy
Solar energy to electric energy
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The most famous robot sent to Mars is called - - - - - - - -
Curiosity Rover
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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