Physical Science Week 19 Reading Assignment

Name _______________________

Use complete sentences to answer these questions.

1.	Define "physics".
2.	What type of objects are involved in "Newtonian Physics"?
3.	What is a "reference point"?
4.	Define "motion".
5.	At what speed does the Earth move in its orbit around the sun?
6.	Define "speed".
7.	What operation is indicated by the vertical lines in a factor-label calculation?
8.	When velocity is represented by a vector, what does the length of the line represent?
9.	Define "velocity".
10.	What type of line is always found on a graph of constant speed?