9 Example Questions, 13 Example Problems, and 4 Example Multiple-Choice Questions DIAGRAM
Example 1
A solid sphere made of wood has a radius of 0.100 m The mass of the sphere is 1.0 kg.
a. What is the density of the wood?
b. What is the specific gravity of the wood?
Example 2
A small amount of water is boiled in a 1-gallon metal can. the can is removed from the heat and the lid put on. Soon after, the can collapses. Explain what happened.
Examples 3 through 7 Answers presented and discussed in class
Example 3
Assume that material A has a higher density than material B. Does this mean that the molecules of A are heavier than those of B?
Example 4
Assume that you have an ice cube in a class of water. When the ice melts, will the water level in the glass rise?
Example 5
How are ships made of iron able to float?
Example 6
Why is it that a can of Coke will sink in water and a can of diet Coke will not?
Example 7
What do the following have in common?
ð Gopher hole
ð Curve ball
ð Chimney smoke
ð Atomizer
ð Paper on chin
ð Airplane wing
Example 8
What do the following have in common?
ð Hydraulic lift
ð Car brakes
Example 9
What do the following have in common?
ð Hot air balloon
ð Helium balloon
ð Ice cube on water