EOS1 EXAM 2023
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Qualitative data
words
Quantitative data
numbers
Independent variable
I change
Dependent Variable
what is measured
Controlled variable
Stays the same
A force is a ____, a_____ or a ______
Push, pull, twist
A force can be__
Contact or non-contact
what measures Newtons
A spring balance
How are forces drawn
arrows ( vectors)
A contact force is
a force that needs the objects to have physical contact
A non-contact force is
a force that occurs without contact
The positive charge in an atom
protons
The negative charge in an atom
electrons
neutral charge in an atom
neutron
the centre of an atom
nucleus
A negatively charged atom has more
electrons than protons
A positively charged atom has more
protons tha electrons
The only part of an atom that can move are
the electrons
normal force is
the opposite of gravity that holds thing up
gravitational force is a
non-contact force
electrostatic force is a
non-contact force
friction is a
contact force
magnetic force is a
magnetic force is both
an insulator is
something that does not let electrons pass through it