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Physics
- Therometers and expanding gases
- a liquid which is sensitive to change colours and expand
- the sensitive one are ones that show big
change which are actually small changes
- Theses are to measure you body and the
environment which surrounds you
- a liquid which is sensitive to change colours and expand
- Wave properties
- all waves transfer energy but
without a mass
- transverse waves
- they oscillate at a right
angle to the direction were
travelling
- Transfers waves are waves
in the sea and sound waves
- they oscillate at a right
angle to the direction were
travelling
- longitude waves
- they
oscillate in
the direction
of travel
- they
oscillate in
the direction
of travel
- Reflection waves
- Theses are waves that Can be
reflected of hard surfaces
- Theses are waves that Can be
reflected of hard surfaces
- all waves transfer energy but
without a mass
- electromotive force
- this a voltage supply
and therefore it is
measured in volts
- this a voltage supply
and therefore it is
measured in volts
- resistance
- this is a measure of how diffcult it is for electrical
charge to flow around a circuit
- resistance is a measure in
ohms
- this is a measure of how diffcult it is for electrical
charge to flow around a circuit
- how to test you hearing
- you uses a thing called a
oscilloscope this produces high
and low sounds
- At brith the human hearing range
goes from 20H to 20,000H
- you uses a thing called a
oscilloscope this produces high
and low sounds
- Background radiation
- Background radiation can come from rocks food
cosmic rays and radon gas
- Background radiation can come from rocks food
cosmic rays and radon gas
- Atoms have electrons neurones and protons
- Protons have a positive charge and neutrons have neutral
charge and electrons have a negative charge
- Protons have a positive charge and neutrons have neutral
charge and electrons have a negative charge
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