8th Grade Science – 2nd Semester Exam Study Guide



8th Grade Science – 2nd Semester Exam Study Guide

1. State Newton’s 3 Laws of Motion.

2. Define:

a. Force

b. Potential energy

c. Kinetic energy

d. Dependent variable

e. Independent variable

3. Write (and use) the formula for work.

4. What are the SI units for:

a. Force

b. Distance

c. Time

d. Work

5. Graphing:

a. What goes on the x-axis?

b. What goes on the y-axis?

c. Graph should have even intervals on each axis!

d. Graph should take up the space available!

e. All graphs have a descriptive title!

f. Label each axis --- include units!

6. Complete the table, including giving it a title:

|Slope |Effort Force (N) |Effort Distance (m) |Work (N-m) |

|0.14 |0.8 |0.76 | |

|0.21 |1.2 |0.53 | |

|0.27 |1.4 |0.42 | |

|0.34 |1.7 |0.31 | |

|0.41 |2.2 |0.26 | |

7. Make a graph of the work done vs. the slope of the incline, using the data above.

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