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Text 3
Lightning is a powerful electrical discharge
during a thunderstorm. The electric current is
hot and causes the air around it
expand very quickly, which in turn
thunder. Sometimes it happens between clouds.
lightning strikes, the surface rubs electrons
to the surface. In a
from the
J, and a spark of electricity shoots from the
thunderstorm, the lower
have as many as 100 million
of electricity in them.
Text 4
Electricity is a force caused by an electrical
It is a form of energy which
use to
power machines and electrical devices.
electricity. When the charges are moving
the charges are not moving, it is
static
are an electric current, and are sometimes called
electricity. Electricity is mostly generated in
called power stations. Most power
heat to boil water into steam which_
I called a "generator". Generators have wires inside
stations_
a steam engine. The steam engine's
turbine turns a
I spin inside
the magnetic field. Electromagnetic induction
electricity to flow through the wires
Text 5
A mosquito is a type of fly. It is the
both male and female mosquitos
warm-blooded animals, pierce a capillary,
name of a family of flies in the
on nectar and plant juices. The females
Diptera. Usually
on
inject saliva to stop the blood coagulating. Then
protein from a blood meal before they
O suck up and eat the blood. Mosquitos
are able to
eggs
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