# SC 130 Physical Science test two • Name:

1. Given all the walking about the gardens of the Palikir campus, in keeping with our Aristotlean first day, what school of Grecian thought might you call yourselves?

The ______________________________ school
2. Two qualities must be present for density to exist. Name the two qualities:

1. What does the line with the points on graph 1 represent?
2. What do the three lines on graph 2 represent?

1. _______________ What is the name of the shape of the arc (curve) seen on graph 3?
2. y = _______________ Given graph 3 and the equation shown on graph 3, if x = 50 cm then what does y equal?
3. Why does a ball moving through the air follow the curved arc seen on graph 3?

1. ____________________ A marble was rolled as seen on the graph 4. What is the nature of the mathematical relationship between time and distance?
2. ____________________ A marble was rolled as seen on graph 4. What was the velocity of the marble?
3. ____________________ Given that the marble above has a mass of 5 grams, what is the momentum $\stackrel{⇀}{P}$ of the marble in graph 4?
4. ____________________ Using the formula $v=\mathrm{40}\sqrt{h}$ determine the velocity v for a marble rolling on a table launched from a height h of 169 cm on a banana leaf.
5. ___________________ What exerts more force given an equal application of pressure: a small surface or a large surface?
6. ___________________ What is the temperature of a mix of melting ice and water in Celsius?
7. ___________________ What is the typical daily room temperature in Pohnpei in Celsius?
8. ___________________ What is the temperature of a boiling water in Celsius?
9. ___________________ What are the three ways in which heat moves?