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We disagree with sister. The first part about the bulb not lighting up as the batteries ran out of chemical potential energy could be correct. However, batteries cannot be ‘charged’ through heat energy from the sun.

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We disagree with brother. Molecules do not come out of batteries.

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The battery is not solar powered. Heat energy from the sun cannot be converted to electrical energy (the battery does not even have electrical energy in it). When the battery charges under the sun (it can’t charge under the sun), nothing will happen.

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We disagree with carol as electrical energy flows throw the circuit. Particles are not being pushed in the circuit.

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We disagree with the brother. Molecules does not come out from the batteries. Instead it is the  Chemical potential energy stored in batteries

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The batteries will not get more chemical potential energy if it is placed under the sun.

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I disagree with sister because as the batteries did not run out of chemical potential energy but instead they fused. Also when you put a battery in sunlight it’s heat energy which it doesn’t even have, does not convert to electrical energy as that is not how energy transfer works. Batteries only have chemical potential energy.

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Molecules do not come out of batteries.

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We believe the Grandma is incorrect.

The batteries contain chemical potential energy that is converted to electrical energy which travels through the wires. The heat energy does not travel through the wires.

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Puting the batteries in the sun will not do anything to the batteries as the batteries are not solar powered

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We agree with Brother.
As the number of batteries increases, the number of molecules flowing out of the batteries increases. They flow through the wire and the light bulb receives more electrical energy. Therefore, the light bulb glows brighter.

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She is wrong as heat energy does not flow through the wires; electrical energy does.

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We disagree with grandma. Because batteries do not give out heat energy but give out chemical potential energy instead

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We disagree with Sister. The batteries do not need to be placed under sunlight since they can’t actually “gain” heat energy to convert into electrical energy.

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We disagree with grandma. The first part about more heat energy flowing through the wires is correct but the part where heat energy flows from the batteries via the 2 wires towards the light bulb is incorrect. The electrical energy can only flow one way of the circuit and cannot flow two ways.

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We agree with Carol because she is the most correct among the four. She is correct to say that the batteries have chemical potential energy and that the particles collide with each other to conduct electrical energy.

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We agree with grandma to certain extent. Heat energy does flow and cause the light bulb and wire to heat up. However heat energy does not flow alone in the circuit. Electrical energy flows through the circuit.

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We think Sister is wrong because placing the batteries under the sunlight will not make the batteries work again. Heat energy will not be converted into electrical energy

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My group agrees with Carol.

When the circut is closed, the chemical potential energy of the battery gets converted into electrical energy, which flows through the wires and lights up the bulb.

In this case, Carol is the most accurate in her explanation.

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We think Brother is wrong because more batteries does not mean there will be more molecules

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We think Grandma is wrong because batteries do not provide heat energy (more batteries does not mean more heat)

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We agree with Carol the most. The battery contains chemical potential energy that can be converted to electrical energy that runs through the circuit. The particles in the wires would gain more heat and electrical energy and vibrate faster, colliding with neighbouring particles and causing the energy to be passed on to the bulb and cause it to light and heat up.

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We agree with Carol because she makes the most sense. Carol description seems the most accurate out of all of them as it explains the bulb lights up. The Chemical Potential Energy in the batteries will convert to Electric Energy in the wires and will then be converted to heat and light energy at the bulb.

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Grandma is incorrect. Batteries do not give out heat energy. They give out chemical potential energy instead. While passing through the wires, some of it is converted to heat energy and it flows through the wires, making the wires feel hot.

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My group agrees with Carol. Carol is correct that batteries have chemical potential energy. The CPE in the batteries will be converted to EE, which will then be converted into heat and light energy.

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We disagree with Grandma.
As the number of batteries connected to the circuit increases, the amount of electrical energy that passes through the wires increases (not heat energy). Chemical potential energy flows from the batteries through the wires to the light bulb (not heat energy).