Transcript What are the Sub atomic particles that make up all atoms?

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Atoms
Magnets/
Electromagnets
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Earth
As
A Magnet
Famous
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Scientific Method
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What are atoms?
The smallest particle that makes up all
matter and where are they located in the
atom?
What are the Sub
atomic particles
that make up all
atoms?
Protons:Nucleus
Neutron: Nucleus
Electron: Outer Shell
electron
neutron
proton
True or False:
Opposite charges
repel and Like
Charges Attract.
False: Opposite Charges Attract
Like Charges Repel
Draw the atoms of
a magnetized Iron
Core and then a
demagnetized Iron
Core
Areas in the
magnet where the
atoms are aligned
are called:
Domains
What is a magnet?
A magnet is anything that attracts
iron of metals containing iron
What is an
electromagnet?
An electromagnet is a magnet that
is created through electricity.
What are 3 ways a
magnet loses its
strength?
1. Hitting or dropping the magnet.
2. Change of Temperature.
3. Putting another magnet near the magnet.
Describe the
purpose of the iron
core with an
electromagnet.
When the solenoid creates a magnetic field the atoms in
the iron core align. Therefore, the iron core becomes a
magnet.
Describe how
increasing the
number of coils
affects the strenght
Increasing the number of coils creates a bigger solenoid
therefore creating a larger magnetic field.
True or False Earth
is one Giant
Magnet?
True!!!
Why are the
auroras at the
north or south
poles?
The auroras are only found at the North or South poles
because there are tiny openings at the POLES
Describe how Magnetite was discovered.
Legend has it that Magnes was herding his sheep in an
area of Northern Greece called Magnesia, about 4,000
years ago. Suddenly both, the nails in his shoes and the
metal tip of his staff became firmly stuck to the large,
black rock on which he was standing.
Explain what would happen if the earth did not have a
magnetic field to protect us.
The solar particles would dry up all the water,
people would get cancer and earth would begin to
look like mars.
What would happen
to our sense of
direction if earth was
not a magnet?
Birds would not be able
to migrate, people would
get lost.
What was Hans
Christian Oersted’s
discovery?
He discovered there was a relationship between electricity
and magnetism. (electromagnetism). He did this by placing
a wire carrying a current by a compass. The compass
needle began to move.
What was Michael
Faraday’s greatest
discovery?
He founded that a magnet could produce an electric
current. Opposite of Hans Christian Oersted.
What is an electric Generator?
An Electric generator converts mechancial energy to
electrical energy.
Create a Venn Diagram comparing the difference between
four types of magnets.
True or False: do
different type
magnets have
different shape
magnetic fields?
This is true-because during the “Shape of the Magnet”
Lab we were able see that all magnets such as a horse shoe
magnet when it was compared to the bar magnet-showed
poles in different areas.
What is an
independent
variable?
Something that is changed or manipulated in an
experiment.
What is an dependent variable and what are constants?
Dependent variable: something that is being tested.
Constants: what is held the same.
What is the proper format of a hypothesis?
If…then…because
statement with
scientific
reasoning.
What are the 5 basic steps of the scientific method?
1.Question/Purpose
2.Hypothesis
3.Experiment
4.Observations
What is the order
of the lab report
format?
Heading
Title
Purpose
Hypothesis
Equipment
Make your wager
What kind of dog does Ms. Kensek own?
Type
Color
Name
Toy pood
Red
Clyde