1. Physical Science Bell Ringers
Fall semester

2. Tuesday, Thursday Period Start Stop 1 8:25 9:10 2 9:15 9:57 3 10:02
10:44 4
10:49
12:03 5
12:08
12:50 6
12:55
1:37 7
1:42
2:24
FLEX
2:29
3:00

3. September 23, 2011
Explain what happens if 2 objects have the same speed but different velocities.
Turn in 4 bell ringers from this week

4. September 22, 2011
Explain how forces and motion are related.

5. September 21, 2011
No Bell Ringer, Mrs. Green at a conference

6. September 20, 2011
Create a graph showing an object with positive velocity and positive acceleration.
Create another line on your graph to indicate an object with constant velocity.

7. September 19, 2011
Starting from rest, if a car accelerates at 0.90 m/s2, how fast would be moving after 6.0 seconds? a Dv t

8. September 16, 2011
In yesterday’s acceleration lab, when did your car have the fastest acceleration (when on the low or high incline)?
Turn in 5 bell ringers from this week

9. September 15, 2011
During a race, a sprinter increases from 5.0 m/s to 7.5 m/s over a period of 1.25s.  What is the sprinter’s average acceleration?

10. September 14, 2011
A dragster in a race accelerated from stop to 40 m/ s by the time it reached the finish line. The dragster moved in a straight line and traveled from the starting line to the finish line in 10.0 sec.
What was the acceleration of the dragster?

11. September 13, 2011
What is the equation to calculate acceleration?

12. September 12, 2011
If a car travels 100 meters in 3.2 seconds, what is the average speed?

13. September 9, 2011
1st – What is the difference between average speed and average velocity?
4th & 5th – The fastest trains are magnetically levitated above the rails to avoid friction. The fastest trains travel about 155 miles in a half an hour.
What is their average speed in miles/hour?
Turn in 4 bell ringers from this week

14. September 8, 2011
1st = What is the distance and the displacement of the race car drivers in the Indy 500?
4th & 5th = What is the difference between average speed and average velocity?

15. Check Your Understanding from yesterday
September 7, 2011
Check Your Understanding from yesterday
What is the displacement of the cross-country team if they begin at the school, run 10 miles and finish back at the school?

16. September 6, 2011
What is motion?

17. September 2, 2011 No bell ringer, projector broken
Turn in 4 bell ringers from this week

18. September 1, 2011
Draw a bar graph to illustrate the following information about soccer team wins:
Year WINS

19. August 31, 2011
On the graph, what percentage of fuel usage is electric and steam?

20. August 30, 2011
Use the graph in Figure 1-3 to find the number of grams of sugar that will dissolve in 100 grams of water at 80ºC.

21. August 29, 2011
Arrange each of the following in order from largest to smallest.
centimeter
kilometers
meters
micrometers
millimeters

22. August 26, 2011 Convert 1750 ml to liters.
Convert 2 ½ liters to cc's (Cubic centimeters)
Turn in bell ringers from this week
1st & 4th = 4
5th = 3

23. August 25, 2011 Complete the following conversions: 38 cm into meters
Page 879 #1-4, 6-10 Math Problems
Kelvin = °C +273
°C = Kelvin - 273
cm3 = mL
August 25, 2011
Complete the following conversions:
38 cm into meters
459 mL into centiliters
1123 kg in grams

24. August 24, 2011
Convert the following numbers into scientific notation:
348594
1025

25. August 23, 2011
No bell ringer, Mrs. Green absent

26. August 22, 2011 How many babies did Dr. Jones deliver in 1998? A. 25
C. 45
D. 55
E. 65

27. Define precision and accuracy.
August 19, 2011
Define precision and accuracy.
Turn in 5 bell ringers from this week

28. Name the steps of the scientific method
August 18, 2011
Name the steps of the scientific method
Add to yesterday’s bell ringer, just write the date and the answer. If you were absent yesterday, write yesterday’s date and “absent” then answer today’s bell ringer.

29. What does Physical Science cover?
August 17, 2011
What does Physical Science cover?
Add to yesterday’s bell ringer, just write the date and the answer. If you were absent yesterday, write yesterday’s date and “absent” then answer today’s bell ringer.

30. What are the three main branches of science?
August 16, 2011
What are the three main branches of science?
Add to yesterday’s bell ringer, just write the date and the answer. If you were absent yesterday, get out a piece of paper, put your name on it. Write yesterday’s date and “absent” then answer today’s bell ringer.

31. What is Physical Science?
August 15, 2011
Get out a piece of paper, write today’s date and answer the question below
Hold on to your paper as we will turn them in on Friday once we have a week of bell ringers
What is Physical Science?