Saturday, September 11, 2010

Q1~12 Circuit

Q1a. Can you make the energy ball work?

-Yes, my fingers and body worked as wires to complete the circuit.

Q1b. What make the ball falsh and hum?

-the completion of simple circuit by my body

Q2. Why do you have to touch both metals contacts to make the ball work?

-To make complete circuit, our fingers work as the wires and the switches

Q3. Will the ball light up if you connect the contacts with any materials?

-Yes, any conductors to electricity will light up the ball such as certain metals

Q4. Which materials will make the energy ball work? Test your hypothesis

- I tried pencils, pens(metal part), erasers, binder (metal part)... only some metals are conductors.

Q5. This ball does not work on certain individual what could cause this to happen?

-Individual who is not using bare hand such as wearing gloves, is not able to work the ball. Generally thinking,

every individual must work the ball since human can transfer electricity.

Q6. Can you make the energy ball work with all 5 ~ 6 individuals in your group? Will it work with the entire class?

-Yes, two individuals touches on each contact of the ball, and other individuals connected their fingers or hands.

-Yes, it worked with the entire class perfectly.

Q7. What kind of a circuit can you form with one ball?

-Since, the ball works as every thing except the wires (including battery) , it is direct current.

Q8. Given 2 balls (combine 2 groups): Can you create a circuit where both balls light up? [1/3]

- Yes, I can create a circuit where both balls light up. Just how Q6 had been done, just by adding more

individuals(wires), it can be formed as parellel and series circuits.

Q9. What do you think will happen if one person lets go of another person's hand and why? [2/3]

- It depends on the circuit whether it is parellel or series circuit. In parellel circuit, disconnection of one wire will

not affect other side of connection. In series circuit, one disconnection will cause everything to be ruined.

Q10. Does it matter who lets go? Try it. [3/3]

- It depends on the type of the circuit. It will matter in the series circuit where the loads are connected one after

another. It does not matter in parellel circuit where one route disconnection will not affect another route since this

type of circuit is connected side by side


Q11. Can you create a circuit where only one ball lights (both balls must be included in the circuit)? [1/2]
-Yes, I can by using the method of parallel circuit. By just letting go of one route of circuit, another route will still

be working.

Q12. What is the minimum number of people required to complete this? [2/2]

-Minimum number of people to create parellel circuit is 3 people Since 6 wires can be created by 3

people.

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