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27 Cards in this Set

  • Front
  • Back

what is weight?

the measure of the force of gravity on you

if a planet is more massive than earth, your weight would be...

more (x2)

if a planet is less massive than earth, your weight would be...

less (about 1/6)

what pulls down mechanisms inside scale?

weight

what do mechanisms cause?

beams, or springs inside the scale that move

what is the amount of beam movement depended on?

weight

what is mass?

the amount of matter in an object is

does mass change? and why?

no because it doesnt change even if the force of gravity changes

does the mass in your body change?

no

is mass a chemical or physical property?

physical property

what do scientists use to measure the properties of matter?

the international system of units

what is the SI unit of mass?

kilograms (kg)

how many grams are in a kilogram?

0.001

what is volume?

the amount of space that an object takes up

do gases have volume?

yes

what is the SI unit of volume?

cubic mete (m), cubic centimeters (cm), liter (l), milliliter (mL)

how are volumes of liquid measured?

graduated cylinder

what are the two formulas for calculating the volume?

length x width x height


units = cm x cm x cm = cm cubed



does a kilogram of sand take up less or more space than a kilo of feathers?

less

is density a important property of mass?

yes

what is density?

a measure of the mass of a material in a given volume

how can density be expressed?

g/cm cubed

can volume be measured by milliliters?

yes

what is formula for density?



density = mass

volume


will objects with greater densities than water float or sink?

sink

will objects with less density than water float or sink?

float

what is density a physical property of?

a substance