Physics

Part A – Nature of Science (6 pts)

Use the scientific method to investigate a simple problem/question of your choice. The steps are listed in the lecture notes. (e.g. Why does a marble fall faster than a feather?). 

 

Part B – SI Units (6 pts)

For each of the following commonly used measurements, indicate its symbol.

 

_____ deciliter

_____ kilogram

_____ meter

_____ milligram

_____ nanometer

_____ millisecond

_____ liter

_____ kilometer

_____ microgram

_____ centimeter

_____ gram

_____ second

 

Part C - Fundamental and Derived Units (4 pts)

Electric charge (C) and number of particles (mol) are examples of fundamental quantities, while pressure (kg/m*s2, Pa) and electric potential (kg*m2/s2*C, V) are derived quantities.  All quantities have a base unit that is chosen for use in the SI system of units. 

Name two other fundamental quantities and two derived quantities.  Give the SI units of each.

 

Part D – Density (You must show all work) (4 pts)

Calculate the density of a substance with a mass of 35.0 g and a volume of 25.0 cm3.

A small gold nugget has a volume of 0.87 cm3. What is its mass if the density of gold is 19.3 g/cm3?

What volume is occupied by 35.2 g of carbon tetrachloride if its density is 1.60 g/mL?