|Science SOL 4.3
|If a contribution is something helpful that is given to others,
usually a payment, then a SCIENTIFIC CONTRIBUTION is
something helpful in science that is given to others to use.
* * *
The three people you will learn about are
|What is a
|He conducted an experiment with a key (conductor),
kite (insulator), string (insulator), and lightning
(source). First he connected the kite to a string, then
he connected a key to the end of the string, and
waited for the lightning to strike.
Benjamin Franklin invented the lightning rod so that
people would be able to protect their homes and
other buildings from lightning.
Benjamin Franklin did NOT INVENT electricity!
He discovered that lightning is a form of
electricity. Think STATIC!!
|magnet. He discovered the electromagnetlarge
conductor. When the magnet is spun it forms a large
conductor. When the magnet is spun it forms a static
charge that will give off electricity.
static charge that will give off electricity.
|You can make an
will need the items seen
in the picture.
|He was a great inventor and conducted many
experiments. He invented the electric light bulb. He
realized that a bulb can have light once a full circuit is
completed within it. He did this to help people stay
affordable to everyone. THINK LIGHT!!!