Scientific DiscoveriesBy: Jeong Min, Maiju and Chuc An

Questions

“Does electricity conduct through rubber?”

Hypothesis

We think that rubber is one of the materials that could block electricity

Procedure

Materials:• Rubber(eraser)• 2 Crocodile clips• Light bulb• Light bulb holder• 2 batteries• Battery holderSteps:1. Screw the light bulb into the light bulb holder2. Take the eraser and cut 2 small bits of it out and

clip it onto one side of the crocodile clips3. Put the batteries onto the battery holder4. Clip the other side of the crocodile clips onto the

battery holder’s nails5. Hold the one of the crocodile clips side that has

rubber on it to the light bulb holder’s nails.

Diagram

Before using rubberMaterials

What happens when we use rubber

Observations and Discoveries

• Wood, ceramic, glass and fabric are other things that doesn’t conduct electricity

• Blue tack on the light bulb holder’s nail conducts electricity

• If we put normal tape on the light bulb’s nail it still lights up

• Plastic doesn’t block electricity• The reason why the people who work near electricity

wear rubber gloves and boots is to protect them from getting electric shots.

• Rubber is an insulator

Explanation

Circuit= A complete path for an electrical current

Conductor= Materials that electricity can travel through

Insulators= Materials which can stop heat, electricity and sound from escaping

Attribution Log picture https://www.google.com/imgres?imgurl&imgrefurl=http%3A%2F%2Fwww.123rf.com

%2Fphoto_9938730_wood-logs.html&h=0&w=0&sz=1&tbnid=CXzbLHvrZd_NZM&tbnh=184&tbnw=274&zoom=1&docid=gfdEn4t2alklRM&hl=en&ei=YcRLUtjAOIiWrAemv4GgAg&ved=0CAEQsCU

Glove picture https://www.google.com/imgres?imgurl&imgrefurl=http%3A%2F%2Fwww.laurimeyers.com

%2F2012%2F04%2Fput-on-your-yellow-rubber-gloves-dirty.html&h=0&w=0&sz=1&tbnid=ZC9yLO0IPVbHXM&tbnh=201&tbnw=251&zoom=1&docid=v4yXeUezpGPKJM&hl=en&ei=uMRLUozuL4_QrQeK8IBQ&ved=0CAEQsCU

Circuit picture https://www.google.com/url?

sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&docid=JeRp7onL0_IXMM&tbnid=Dl-GI4a0xYrKQM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.reliancelabel.com%2FMain%2FIndustrySolutions%2FElectronics%2FPrintedCircuitBoardLabels.aspx&ei=6MRLUuijOsLarAf9z4GgBw&psig=AFQjCNFzd9y_8lsibdnxARTues1Di-IoqQ&ust=1380782143263035

Eraser picture http://www.google.com/imgres?

start=178&hl=en&biw=1280&bih=699&tbm=isch&tbnid=D86QCuuV80eGFM:&imgrefurl=http://www.drawing-factory.com/the-eraser.html&docid=kSpZvoo4m2vYxM&imgurl=http://www.drawing-factory.com/image-files/the-eraser-03.jpg&w=250&h=222&ei=rMVLUtv_MMXmrAfPyoGwDA&zoom=1&ved=1t:3588,r:94,s:100,i:286&iact=rc&page=10&tbnh=168&tbnw=190&ndsp=22&tx=135&ty=96

Glass picture http://www.google.com/url?

sa=i&source=images&cd=&cad=rja&docid=RU55phCkFQ84QM&tbnid=M5nzYieaUM22rM:&ved=0CAgQjRwwAA&url=http%3A%2F%2Fwordofspiritandtruth.blogspot.com%2F2012%2F09%2Fbroken-glass.html&ei=DcdLUozII8eNrQfBioGYAQ&psig=AFQjCNHuUdhwI5zoYQQIxtt3dKM_7JESKQ&ust=1380784269667748Fabric picture

http://www.google.com/imgres?hl=en&biw=1280&bih=699&tbm=isch&tbnid=hmOculLcOARxAM:&imgrefurl=http://www.mayang.com/textures/Fabric/html/Other%2520Fabrics/&docid=4Ik9nX-KaNPLTM&imgurl=http://www.mayang.com/textures/Fabric/images/Other%252520Fabrics/crumpled_fabric_9271250.JPG&w=2560&h=1920&ei=c8dLUs-JN4aDkwWf1oCACA&zoom=1&ved=1t:3588,r:0,s:0,i:88&iact=rc&page=1&tbnh=166&tbnw=227&start=0&ndsp=10&tx=127&ty=98

Ceramic picturehttp://www.google.com/imgres?hl=en&biw=1280&bih=699&tbm=isch&tbnid=JL6AIPGIlXXBYM:&imgrefurl=http://www.coolhunting.com/culture/emogayu-ceramic.php&docid=epdXDljMswvHXM&imgurl=http://assets.coolhunting.com/coolhunting/mt_asset_cache/assets/images/emogayu.jpg&w=500&h=334&ei=98dLUv2IHMO_lQXDrIGwAg&zoom=1&ved=1t:3588,r:2,s:0,i:92&iact=rc&page=1&tbnh=183&tbnw=275&start=0&ndsp=12&tx=149&ty=86

THE END!!!

http://upload.wikimedia.org/wikipedia/commons/thumb/1/11/TeslaCoil.jpg/798px-TeslaCoil.jpg