scientific method
density
mass
matter
volume
100
What is an educated guess?
hypothesis
100
what is density?
the amount of mass in a certain amount of volume
100
what is mass?
the amount of matter in an object
100
what is matter?
anything that has volume and mass.
100
what is volume?
the amount of space an object takes up.
200
What do you do to prove that your hypothesis is correct?
test hypothesis
200
density determines whether or not an object _______
sinks/floats
200
true or false: mass is measured in newtons(N)
false
200
what are the 3 main states of matter?
solid, liquid, and gas.
200
how are regular shapes measured for their volume?
using the formula (length x width x height) centimeters cubed.
300
what do you do when your hypothesis is correct?
draw conclusions
300
density would help ship builders know to use a) heavy metals b) light metals c) rocks to build their ships.
b) light metals
300
how do you use mass to find density?
divide the mass of an object by its volume
300
are humans made of matter?
yes.
300
True or false: one cubic centimeter= one milliliter
TTTTTRRRRRUUUUUEEEEE
400
true or false: you make a hypothesis, then draw conclusions right away.
false
400
if the water density is 1 g/mL, and my object has a density of 5 g/mL, then it would ____
sink
400
how is mass measured?
in grams
400
is air matter?
yes.
400
how are irregular shapes measured for their volume?
using water displacement
500
What happens when you are done with drawing your conclusions?
share info with others
500
what is the formula for finding density?
D=M/V
500
how is mass different from weight?
mass cannot change unless the object changes; weight can be change if the gravity is changed.
500
everything is either matter or ______
energy
500
how is volume tied into density?
formula: D=M/V
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