EOS1 EXAM 2023 Flashcards
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
a conductor is
some things that passes electricity or electrons through it
a non-contact force can also be called a
field force
with magnetic force likes_____ and opposites ____
repel, attract
magnets have 2 poles a
north pole and a south pole
a permanent magnet is
a magnet that is always magnetic
an electromagnet is
a magnet that needs to be charged before it is magnetic
a magnet attracts any metal containing
iron
you light a bunsen burner with the air hole
closed
what is matter
matter is anything that has mass and takes up space
particle theory is that
all substances are made up of tiny particles which are always moving
a solid turning straight to a gas is called
sublimation
a gas turning straight to a solid is
deposition
if something is _____ dense it floats on something_____ dense
less, more
electrostatic force is a _______ force created by
non-contact force created by surfaces rubbing together to create friction
electrostatic force is when
electrons need to escape from a charged object so they jump form and create electricity
there are 3 possible results of a force acting on an object
change in motion and speed, change in shape and change in direction
gravitational force is a
non contact force
