How is density calculated?
mass divided by volume
Sing along!!! I love density. Density loves me. I love density.....(finish the song!)
M over V
Frank has an eraser. It has a mass of 4 g, and a volume of 2 cm3. What is its density?
2 g/cm3
The amount of matter an object possesses is known as its________
mass
What famous scientist figured out how to determine the volume of an irregularly-shaped object?
Archimedes
Is density a physical or a chemical property of matter?
physical
True or False
All matter, except gas, has density.
false
What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?
13.3 cm3
The amount of space an object takes up is its _____
volume
Describe what happens to an object with negative buoyancy.
It stinks.
True or False
Density is a constant property.
True
If you want to determine the density of an irregularly shaped object, you have to first determine its volume. How would that be accomplished?
water displacement
You have two objects with the same volume but different masses. Which object would be more dense?
The object with the greater mass would have a higher density.
In which latitude would the densest water likely be found? A. 0* B. 20* N C. 40*S D. 60*S
D= 60*S
What is the upward force acting on an object in a fluid?
buoyancy
What are the two units that represent density?
If a block of oak is cut in half, each half would have _________density.
a. half the
b. twice the
c. the same
C. the same
Find the mass of a 50.0 ml quantity of water is the density of water is 1.0 g/ml.
50 g
If the following substances were placed in a graduated cylinder, what order would they settle out from the bottom to the top based on density?
A= water at 1.0 g/ml
B= oil at 0.92 g/ml C= gasoline at 0.69 g/ml
A, B, C
If an object hovers in a fluid, what can you say about the densities of the object and the fluid?
Their densities are equal or close to equal.
What is the density of water at 4 *C?
1.00 g/ml
Identify how many milliliters and how many cubic centimeters one gram of dihydrogen monoxide would equal.
1 g = ___?__ mL = ___?__ cm3
1 gram = 1 mL = 1 cm3
A piece of wood measures 3.0 cm X 6.0 cm X 4.0 cm and has a mass of 80.0 g. What is its density?
1.11 g/cm3
An object's density will remain constant as long as two external factors remain the same. Name those two factors.
temperature and pressure
The buoyant force on a submerged object is equal to the weight of the fluid that is displaced by the object.
Whose principle states this?
Archimedes