When finding an objects mass we use a ____________.
Triple Beam Balance
100
What is the definition of density?
Density is the amount of matter in a certain amount of space
100
M/V=?
Density
100
A cup of gold colored metal beads was measured to have a mass 425 grams. By water displacement, the volume of the beads was calculated to be 48.0 cm3. Given the following densities, identify the metal.
Gold: 19.3 g/mL
Copper: 8.86 g/mL
Bronze: 9.87 g/mL
Copper, 8.86 g/mL
200
Mass is....
The amount of matter in an object
200
A ____________ is used to measure liquid volume.
Graduated Cylinder
200
D=_______/________
Mass/Volume
200
M=______x_________
Volume x Density
200
An ice cube measuring 5.80 cm by 5.80 cm by 5.80 cm has a density of 0.917 g/mL. What is the mass?
179 gram
300
The amount of matter in a certain amount of space
Density
300
What part of the triple beam balance tells you the scales is zeroed out?
The pointer
300
What is the density of a piece of wood that has a mass of 25.0 grams and a volume of 29.4 cm3?
0.850 g/cm3
300
_________/__________=Volume
Mass/Density
300
Gasoline is a non-polar liquid that will float on water. 450 grams of gasoline is spilled into a puddle of water. If the density of gasoline is 0.665 g/mL, what volume of gasoline is spilled?
680 mL
400
The curve a liquid creates when poured into a container
Meniscus
400
Explain what tools would be used to find the density of a book.
Ruler to measure length, width and height.
Triple Beam Balance to measure mass.
400
A piece of wood that measures 3.0 cm by 6.0 cm by 4.0 cm has a mass of 80.0 grams. What is the density of the wood? Would the piece of wood float in water?
1.1 g/cm3; No, it would not float on water
400
Volume=_______x__________x__________
Length x width x height
400
The density of aluminum is 2.70 g/mL. If the mass of a piece of aluminum is 244 grams, what is the volume of the aluminum?
90.4 mL
500
Anything that has mass and takes us space
Matter
500
Name the tools used to find the density of an irregular shaped solid.
Graduated Cylinder and Triple Beam Balance
500
A little aluminum boat (mass of 14.50 g) has a volume of 450.00 cm3. The boat is place in a small pool of water and carefully filled with pennies. If each penny has a mass of 2.50 g, how many pennies can be added to the boat before it sinks?
174 pennies
500
Explain one way you could figure out the formulas for mass, volume and density
Algebraically or Density Triangle
500
Name the three steps when solving a calculation for density, mass or volume.
1. Write down formula
2. Plug in the correct numbers for the variables
3. Write down the answer