Complete : solar panels change - - - - - ( energy to - - - - energy
Solar energy to electric energy
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15
The most famous robot sent to Mars is called - - - - - - - -
Curiosity Rover
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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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thief
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25
gift
Win 25 points!
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rocket
Go to first place!
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banana
Go to last place!
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15
What happens if : you turns on an electric fan ( according to the change of energy)
Electric energy will change ti kinetic and sound energy
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15
Write the scientefic term : The output energy in the electric iron.
Thermal energy
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eraser
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seesaw
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rocket
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thief
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25
15
True or false : the input energy in solar panels is electric energy
False ( solar)
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15
Complete : energy chains start with - - - - - -
The sun
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15
Write the scientefic term : energy stored in the batteries
Chemical 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
Write the scientefic term : it is the main source of energy on Earth
The sun
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15
Complete : When batteries run out, we must - - - - - - - them.
Recharge or replace
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seesaw
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gift
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fairy
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lifesaver
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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
True or false : kinetic energy produced from the hair dryer is wasted energy