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science experiment

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by

hawa touray

on 17 May 2013

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Transcript of science experiment

Expoloring static charges! Introduction What is atom? Which common household iteam(pvc piping, balloon, comb, pen, quarter, pencil, plactic bottle, glass, piece of paper, and scissors) conducts static electricity best,
using a stream of water. Material What is static electricity? - Everything around us is normally neutraly in charge. water, people, desks,plastic/glass bottles and more.
- This is call static electricity
- Static electricty can be shown by using a stream of water and an charge comb or balloon.
-This can be tested in many ways. You reach over to change a channel in your television, and TAP u get a static shock; shuffling your feet across a carpeted floor and then touching a metal object BOING u get shock. Which common house hold iteam conduct static electricity best ,using a stream of water? Background -Static electricity works on similar principles as a magnet.It can create a positive or negative charge that can either attract or force back other objects.
-Have u ever rubbed a balloon against your hair and watch what happened?
-This makes your positively charge hair attracted to the more negaively charged surface of the balloon. and because each of your hair s has slight positive charge, like similar sides of a magnet, they will want to move away from each other, fluffing out your hair evan more. - Everything we see is made up of tiny little
parts called atoms. The atoms are made of
even smaller parts. These are called
protons, electrons and neutrons. They are
very different from each other in many ways.
One way they are different is their "charge."
Protons have a positive (+) charge. Electrons
have a negative (-) charge. Neutrons have no
charge. So how is this related to life? - So, why does your hair stand up after you take
your hat off? When you pull your hat off, it rubs
against your hair. Electrons move from your
hair to the hat. Now each of the hairs has the
same positive charge. Things with the same
charge repel each other. So the hairs try to
move away from each other. The farthest they
can get is to stand up and away from all the
other hairs. Question Hypothesis Static electricity is created from materials that
come into contact, but it is called "static" because
there is no electricity flowing between the objects.
Static electricity can generally be created when
two certainobjects are rubbed together or pulled
apart. There are several learning objectives for
static electricity. Objective -A narrow stream of water
-Some type of static - shirt, hair, etc.
a piece of pvc piping
-balloon
-comb
-pen
-quarter
-pencil
-plastic bottle
-scissors
-glass
-piece of paper - Procedures 1.turn on water so it is falling from the tap in a narrow stream.( just a few milimeters across but not droplets.)
2.run the iteam through your hair or shirt just as u normally would, when brushing it.( do this around 10 times)
3.if you are using a balloon then rub it backa and forth against your hair for a few seconds
4. slowly move the iteam tours the stream of water.(without touching it) while watching closely to see whats happening.
5.record your data
6.repeat this step with the other iteams Qalitative data Quantitative Data Variable/Controls -Their are neumerous ways where static
electricity can be shown.

-To understand static electricity, we have to
learn a bit about matter or in other words what is the stuff around of made of? ATOM! Water
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