Newton's Laws
Density
Mass
States of Matter
Periodic Table
100
What is Newton's 1st Law?
An object in motion stays in motion unless acted on by an unbalanced force.
100
What is the formula for Density?
M/V
100
mass is measured on a...
scale/balance
100
what are the 3 states of matter?
solids,liquids,gases
100
What is the tiny number up at the top?
atomic number
200
What is Newton's 2nd Law?
F=m(a) A=f/m m=f/a the acceleration of an object is equal to the net force exerted on the object divided by the object's mass.
200
What is the density of water?
1
200
mass is measured in...
grams kilograms millimeters
200
definate...of solid
definate volume and shape
200
what are the big letters in the middle called?
element symbol
300
What is Newton's 3rd Law?
For every action,there is an equal but opposite reaction.
300
Density is a measure of how______ an object's atoms are.
compact
300
mass is a measure of how much_____is in an object
matter
300
definate...of liquids
definate volume but no definate shape
300
what is the tiny number at the bottom?
atomic mass
400
if there was a box with two people pushing on both sides with a force of 300N, would that be balanced or unbalanced?
balanced
400
objects that have a density _______ than water's density will sink.
greater
400
If an object has a force of 20N and an acceleration of 60m/s2 , what is the mass?
3g
400
Definate...of gases
no definate shape or volume
400
how do u calculate the number of neutrons?
atomic mass-protons=neutrons
500
If a car crashes into another car, after it has been moving, what law(s) does this represent?
1st and 3rd
500
an object has a mass of 300g and a volume of 600cm3, calculate the density and find out if it will float of sink.
2 g/cm3
500
what is the difference between mass and weight?
weight changes mass stays the same
500
what happens to solid forms when heated?
they turn to liquids
500
what are the 6-7 metals/gases groups?
alkali metals alkaline earth metals transition metals metalloids other non-metals noble gases halogens
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