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increases the tempeture
 increase the concentration of a solution
100
meter
si unit of distance 
100
first
law of inertia 
100
force and distance

the amount of work done on an object is found by multiplying

100
potential energy
when you stretch a rubber band you give it 
200

hydrogen ions

what do acids in water separate into?

200
motion
a change in position with respect to a reference point is 
200
newton
si unti of force 
200
joules
rate at which work is done
200
nuclear energy
energy stored in the nucleus of an atom
300
salt and water


What 2 substances does a neutralization reaction produce

300
acceleration
the rate at which velocity changes
300
opposite the direction of motion


friction always acts
300
increase force
one way a machine can make work easier is by 
300
by the time taken to transfer it
to calculate power divide the amount of energy transferred by 
400
slippery feel
property of bases
400
move in different directions
two objects traveling at the same speed with different velocities 
400
the weight or increase the friction between the objects
two ways to increase frictional force between two objects
400
axe
which of these is an example of a wheel and axle
400
potential energy 
as a car skids to a stop friction transforms kinetic energy to 
500
hydrogen ion

ion that is made of hydrogen and oxygen

500
it has to be relative to the motion
what condition is necessary for an object to make a good reference point
500
mass times velocity
momentum is calculated by multiplying 
500
wheelbarrow
which of these is an example of a simple machine from the inclined plane family
500
it can change direction
why does wind have energy