By Stephen Pegler on Monday, October 22, 2007

1.  What is a force?

2.  What causes things to move?

3.  If something moves 50 m in 5 s, what is its average velocity?

4.  If that item was going 10 m/s before, what is its average acceleration?

5.  What is kinetic energy?

By Stephen Pegler on Monday, October 22, 2007

1.  What is inertia?

2.  What is the formula for velocity?

3.  Find the average velocity if the distance traveled is 100 m in 50 s.

4.  Find the average acceleration from #3 if the initial velocity is 0 m/s.

5. What is potential energy?

By Stephen Pegler on Monday, October 08, 2007

1.  When creating a graph, how many titles/labels must you have?

2.  What was the force that caused the balls/cars to move in the lab that we did on Friday?

3.  What happened to the velocity of the balls as the table was raised more?

4.  What is inertia?

By Stephen Pegler on Thursday, October 04, 2007

1.  How are larger chemical spills to be cleaned up?

2.  Where should broken glass be placed?

3.  What is the formula for speed?

4.  How are speed and velocity different?

5.  What are the units for velocity?

By Stephen Pegler on Monday, October 01, 2007

1.  Which has more inertia, a mole or an elephant?  Why?

2.  Define "force."

3.  What is perhaps the second most common force in the world?  (Hint: It slows things down.)

4.  What would be the most common force in the world?

5.  Find the density of an object that is 200 g and is regularly shaped: 10 cm x 5 cm x 1 cm.

By Stephen Pegler on Sunday, September 30, 2007

1.  Absolute zero is _________ ⁰C

2.  Which is larger, km or m?

3.  When entering answers on a scan sheet, where do answers a-e go?

4.  What units is speed in?

5.  How many sig figs in 5.2007 x 3.218 x 1.112509 / 85.695?

By Stephen Pegler on Friday, September 28, 2007

1.  Absolute zero is _____________ K.

You are testing the relationship between temperature and the speed of chemical reactions.

2.  What is the independent variable in this experiment?

3.  What is the dependent variable?

4.  What are some constants?

5.  Why is a control used in experiments?

By Stephen Pegler on Thursday, September 27, 2007

1.  Formula for density.

2.  A good hypothesis is in the form of a ____________________________.

3.  Metric unit for volume:

4.  The independent variable is graphed on the _____________ axis.

5.  The variable you control is the ________________ .

By Stephen Pegler on Monday, September 17, 2007

1.  How many sig figs in the answer?  5.67 x 5.321 x 8.65 x 2.1

2.  Density is the relationship between what two quantities?

3.  Convert 235 ml to cm³

4.  Convert 1,245.67 m to cm.

By Stephen Pegler on Monday, September 17, 2007

1.  When using the balances, where must you place the 10 and 100 g weights?

2.  What are the boiling and freezing points of water in degrees Celsius?

3.  Which is correct:  D = volume/mass or D = mass/volume?

4.  Convert 356.21 g to kg.

5.   All text books are needed on Monday.  Please return them.