https://padlet.com/tan_seow_yun2/science5i_activity1 Use the pHET simulation to test if the given materials and electrical conductors or insulators: https://phet.colorado.edu/sims/html/circuit-construction-kit-dc/latest/circuit-construction-kit-dc_en.html en-us 2018-08-13 15:23:57 UTC 2025-09-30 15:57:43 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Thunder.png https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237354 The bulb did not light up as an eraser is not an electrical conductor. It is made from rubber which is an electric insulator. hence electric currents cannot pass through the eraser to form a closed circuit,  the bulb will not light up.  This shows that an eraser does not conduct electricity.]]> 2018-08-21 07:06:42 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237354 HurriKeane https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237416 The bulb did not light up, so this proves that the hand is an insulator of electricity.]]> 2018-08-21 07:07:09 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237416 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237453 the paper clip is made out of metal which is a conductor of electricity. metal allows the electrical current to flow through, thus lighting up the light bulb.]]> 2018-08-21 07:07:25 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237453 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237599 The circuit is closed so the electric current can pass through the wire]]> 2018-08-21 07:08:25 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237599 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237683 hand is an insulator of electricity. electrical current cannot flow through the hand and so the bulb did not light up.]]> 2018-08-21 07:08:42 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237683 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237688 The graphite in the pencil is a conductor of electricity as it allows electrical current to flow through it. Hence, the bulb lit up.]]> 2018-08-21 07:08:45 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237688 HurriKeane https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237735 The bulb did not light up, so this proves that the dog is an insulator of electricity.]]> 2018-08-21 07:09:04 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237735 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237791 The dollar bill  is an electrical insulator because it does not conduct electricity and the bulb did not light up.]]> 2018-08-21 07:09:31 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237791 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237820 The bulb did not light up. This shows that the hand is a insulator of electricity and creates an open circuit, preventing electricity from flowing through the circuit, therefore the bulb will not light up.]]> 2018-08-21 07:09:43 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237820 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237874 The bulb did not light up the paper note is an electric insulator. Thus, the electric current could not flow through the paper note and the bulb did not light up.
The bulb lit up. The coin is an electric conductor. Thus, the electric current could flow through the coin and the bulb lit up.

]]> 2018-08-21 07:10:02 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237874 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237910 The bulb did not light up as the hand is not a good conductor of electricity.]]> 2018-08-21 07:10:13 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237910 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237955 The hand is an electrical insulator. Hence, the current cannot flow through it so the light bulb did not light up.]]> 2018-08-21 07:10:28 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237955 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237978 The eraser is an electric insulator as it is made of rubber.]]> 2018-08-21 07:10:39 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237978 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237983 The bulb did not light up,so this proves that the eraser is a insulator of electricity.]]> 2018-08-21 07:10:39 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237983 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237991 The dog is an electrical insulator, hence the electrical current could not flow through and the light bulb did not light up.]]> 2018-08-21 07:10:43 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274237991 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238024 The coin is a electrical conductor as the light bulb lit up when there was a coin in the circuit.]]> 2018-08-21 07:10:55 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238024 ethankohweiqian https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238111 This experiment proves that  metal and graphite are electrical conductors. This experiment also proves that paper/ the material that the dollar bill is made of and rubber are electrical insulators.]]> 2018-08-21 07:11:36 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238111 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238128 1. The resistor makes electricity move slower than normal. It allows electricity to flow through it so it is an insulator.
2. the graphite in the pencil is a conductor of electricity and so it allows electric current can flow through and light the bulb up.]]> 2018-08-21 07:11:45 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238128 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238179 the bulb lit up which shows that the paperclip is a conductor of electricity.]]> 2018-08-21 07:12:05 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238179 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238192 In the coin set-up, the bulb can light up because the coin is an electrical conductor and therefore a electrical current can flow through the coin.

In the paper clip set-up, the bulb can light up because the paper clip is also an electrical conductor and therefore an electrical current can also flow through the paper clip.]]> 2018-08-21 07:12:11 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238192 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238210 the coin is made out of metal, which is  a electrical conductor. 

the dollar bill is made out paper, which is an electrical insulator.

that is the reason why the bulb with the coin lighted up while the bulb with the dollar bill did not light up. ]]> 2018-08-21 07:12:21 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238210 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238230 The coin is an electrical conductor because it conducted electricity and the bulb lit up.]]> 2018-08-21 07:12:29 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238230 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238244 The bulb did not light up so it is an electrical insulator which does not allow an electric current to flow through the circuit, preventing the bulb from lighting up.]]> 2018-08-21 07:12:34 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238244 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238277 The dollar bill is most likely made of plastic or paper which is an insulator of electricity, so it did not allow the current to pass through it, so the light bulb did not light up. The coin is made of metal which is a good conductor of electricity and so it allowed the current to pass through it, forming a closed circuit, lighting up the bulb.

]]> 2018-08-21 07:12:50 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238277 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238279 The light bulb lit up. This shows that the pencil is a conductor of electricity and it allowed electric current to flow through, creating a closed circuit and hence the light bulb lit up. ]]> 2018-08-21 07:12:50 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238279 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238305 The circuit is closed so the electric current is able to flow through the wires and light up the bulb.]]> 2018-08-21 07:13:02 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238305 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238328 The paper clip is made out of a type of metal, which is a good conductor of electricity.]]> 2018-08-21 07:13:18 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238328 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238342  The bulb did not light up. This shows that the eraser is a insulator of electricity and creates an open circuit, preventing electricity from flowing through the circuit, therefore the bulb will not light up. ]]> 2018-08-21 07:13:23 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238342 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238357 2018-08-21 07:13:32 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238357 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238359 The coin is not a very good conductor of electricity as the bulb only lit up a bit (if you look closely]]> 2018-08-21 07:13:33 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238359 AlienNoob https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238394 This is a closed circuit of a wire and a pencil, both of the bulbs light up. Both of the materials are good conductors of electricity]]> 2018-08-21 07:13:45 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238394 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238415 the bulb lit up, indicating that the wire is a conductor of electricity]]> 2018-08-21 07:13:57 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238415 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238460 The dog is not a conductor of electricity. Therefore, the light did not light up.]]> 2018-08-21 07:14:10 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238460 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238466 The bulb lit up as the paper clip is made out of metal, which is a good conductor of electricity.]]> 2018-08-21 07:14:11 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238466 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238485 The dog is an electrical insulator so the electrical current cannot flow]]> 2018-08-21 07:14:21 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238485 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238517 the graphite in the pencil is a conductor of electricity as the light bulb light up. The dollar bill is a insulator as the light bulb did not light up

]]> 2018-08-21 07:14:31 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238517 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238571 The eraser is a electrical insulator as electrical current cannot flow through it. Hence, the bulb did not light up.]]> 2018-08-21 07:14:51 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238571 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238574 The bulb lit up,showing that the graphite in the pencil is a conductor of electricity.]]> 2018-08-21 07:14:53 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238574 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238575 The paper clip is a conductor of electricity. It allows electric current to flow through as it is made out of metal. Metal is a good conductor of electricity. Hence, the bulb lit up as the normal one did.]]> 2018-08-21 07:14:53 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238575 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238580 The pencil is an electric conductor as the lead is made of graphite.]]> 2018-08-21 07:14:55 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238580 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238625 The coin is a conductor of electricity, so a closed circuit is formed and the bulb lighted up. 

The eraser is a insulator of electricity, so an open circuit is formed and the bulb did not light up.]]> 2018-08-21 07:15:15 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238625 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238641 dog is an insulator of electricity of electricity.electrical current cannot flow through and so the bulb did not light up.]]> 2018-08-21 07:15:21 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238641 gladystoo https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238707 The bulb lit up as the coin is a conductor of electricity]]> 2018-08-21 07:15:46 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238707 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238727 The bulb did not light up. This shows that the hand is a insulator of electricity and creates a open circuit, preventing electricity from flowing through the circuit, therefore the bulb will not light up]]> 2018-08-21 07:15:52 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238727 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238803 The bulb did not light up as the dollar bill is not a conductor of electricity and is a insulator.]]> 2018-08-21 07:16:21 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238803 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238841 From what we can see, pencil is not a conductor of electricity. However, graphite is a conductor of electricity. ]]> 2018-08-21 07:16:30 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238841 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238865 This is a closed circuit with the paper clip. The paper clip is an electrical conductor as the bulb lit up.]]> 2018-08-21 07:16:37 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238865 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238869 The hand is an insulator of electricity so the electric current is unable to flow through the light bulb to light it.]]> 2018-08-21 07:16:38 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238869 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238908 The eraser is an electrical insulator because it did not conduct electricity and the bulb did not light up.]]> 2018-08-21 07:16:46 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238908 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238923 A dog is not a conductor of electricity.The bulb did not light up.]]> 2018-08-21 07:16:52 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238923 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238944 The hand is an electrical insulator because it did not conduct electricity and the bulb did not light up.]]> 2018-08-21 07:17:01 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238944 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238999 the hand is a insulator of electricity as it did not allow the electric current to flow through to the bulb, causing the light bulb to not light up]]> 2018-08-21 07:17:15 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274238999 gladystoo https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239000 The bulb did not light up as the dollar note is an insulator of electricity.]]> 2018-08-21 07:17:15 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239000 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239042 The bulb lit up. This shows that the graphite in the pencil is an electric conductor. Thus, this creates a closed circuit which allows the electric current to flow through the circuit, lighting up the bulb.]]> 2018-08-21 07:17:28 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239042 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239144 The dog is a electrical insulator as the light bulb did not light up. This means that the dog does not allow an electric current pass through.]]> 2018-08-21 07:18:11 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239144 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239147 The eraser is made of rubber and is an electrical insulator because the bulb did not light up.]]> 2018-08-21 07:18:13 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239147 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239169 The paper clip is an electrical conductor because it conducts electricity and the bulb lit up.]]> 2018-08-21 07:18:23 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239169 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239190  The bulb lit up. This shows that the paper clip is an electric conductor and creates a closed circuit. Thus, the electric current could flow through the circuitand the bulb lit up.
 ]]> 2018-08-21 07:18:31 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239190 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239254 The paper is an electrical conductor so the electrical current can flow through the wires]]> 2018-08-21 07:18:56 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239254 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239311 The hand is an insulator of electricity. It does not allow electric current to flow through as it is made of a ??? and that material is an insulator. Hence the bulb did not light up unlike the normal circuit on the right. ]]> 2018-08-21 07:19:15 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239311 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239341 The eraser is made of a rubber, which is a bad conductor of electricity.]]> 2018-08-21 07:19:26 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239341 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239400 Hmm...seems like the dog is totally not a good conductor at all! The voltage is 120 yet the bulb is not lighting up!]]> 2018-08-21 07:19:53 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239400 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239523 The eraser is an electrical insulator as it cannot conduct electricity. Therefore, an electrical current cannot flow through the eraser and so the bulb did not light up.]]> 2018-08-21 07:20:50 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239523 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239533 The dollar bill is an electrical insulator and so a electrical current cannot flow through the dollar bill. Hence, the bulb did not light up.]]> 2018-08-21 07:20:52 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239533 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239715 The pencil lead is a good conductor of electricity because the bulb lit up.]]> 2018-08-21 07:22:18 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239715 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239876 This is a closed circuit with a dollar note. the dollar note is an electrical insulator as the bulb did not light up.]]> 2018-08-21 07:23:18 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274239876 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274240238 The dog is an electrical insulator and so a electrical current cannot flow through the dog. Hence, the bulb did not light up.]]> 2018-08-21 07:25:47 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/274240238 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/276471870 Lee Jing Jing (20)
As the number of bulbs arranged in series increases, the brightness of each bulb decreases. When there is more bulbs in series, less electric current will flow through each bulb and so the brightness of each bulb will decrease.]]> 2018-08-30 03:57:47 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/276471870 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/276472518 As I increased the number of batteries, the brightness of the bulb became stronger.]]> 2018-08-30 04:03:23 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/276472518 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/276472669 All three bulbs lighted up as there was three circuits,as shown with the red,blue and black lines.All three bulbs have their own source of electricity and so lighted up.]]> 2018-08-30 04:04:38 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/276472669 https://padlet.com/tan_seow_yun2/science5i_activity1/wish/276473798 As I increased the number of bulbs, the brightness of the bulbs decreased. ]]> 2018-08-30 04:12:30 UTC https://padlet.com/tan_seow_yun2/science5i_activity1/wish/276473798