Thames & Kosmos Pepper Mint in the Great Treehouse Engineering Adventure handleiding

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Handleiding

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Now your treehouse is fully equipped! Have
fun experimenting and playing!
WHAT IS ELECTRICITY?
An electrical current consists of moving
electrons.” These are tiny particles,
which you can think of as lile people. When
electricity is flowing, the lile people are running
through a tunnel. If they get to a narrow spot, it
gets more crowded in the tunnel. The same thing
happens with electrons in a wire. At the narrow
spot, the wire gets really warm and can even
begin to glow. That’s how light bulbs work.
ELECTRICAL CIRCUIT
An electrical circuit consists of a power source (in this case, the baery), a conductor (the wire), and a
device that uses electricity (the LED). For the electric current to be able to flow, the circuit must be
complete. Another thing that affects the flow of electrical current is how easy it is to travel along the
tunnel — that is, how well it conducts. Some materials such as metals (copper and silver, for example)
are very conductive — so we call them conductors. Other materials such as wood, rubber (elastic), and
glass are non-conductors, or insulators.
Lanterns
31
WHAT IS VOLTAGE?
We measure the potential of an
electrical current in volts. Continuing
the tunnel analogy, a higher voltage
corresponds to stronger lile people in
the tunnel. They can push the others
more forcefully through the tunnel
(“conductor”). If the voltage is too high,
the electrons have too much freedom to
move around, and can even fly through
the air. That’s when you see sparks.

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Productinformatie

MerkThames & Kosmos
ModelPepper Mint in the Great Treehouse Engineering Adventure
CategorieNiet gecategoriseerd
TaalNederlands
Grootte24789 MB