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Physical Science Bell RingersFall semester2011-12
What was the average number of babies that Dr. Jones delivered each year from 1995 to 1998?A. 35B. 40C. 45D. 50E. 55
How many babies did Dr. Jones deliver in 1998?
A. 25B. 35C. 45D. 55E. 65
If Dr. Jones delivered 85 babies in 1999, how many rattles would represent this number?A. 6 ½ B. 7C. 7 ½ D. 8E. 8 ½
November 3, 2011Describe different forms of potential energy.
Turn in 4 bell ringers from the week. (I won’t be here tomorrow)
Turn student release form into the tray.
November 2, 2011
Define kinetic energy.
Turn student release form into the tray.
November 1, 2011Is the chemical energy stored in food the same as the energy that comes from the Sun or the energy stored in gasoline?
Turn student release form into the tray.
Get out Ch. 4 Notes – 7 sections
October 31, 2011
What makes a rocket fly through the air?
Turn student release form into the tray.
Get out Ch. 4 Notes – 7 sections
October 28, 2011A 10-kg wagon has a speed of 25 m/s. What is its momentum?
Turn in 5 bell ringers from this week
Turn student release form into the tray.
October 27, 2011Two objects that have the
same mass are dropped from a tall building. One object is larger and flatter than the other. Explain why the larger, flatter object hits the ground last.
Turn student release form into the tray.
October 26, 2011According to Newton's second law of motion, a larger force acting on an object causes a greater ________ of the object
October 25, 2011 Which of the following would have
the most momentum and therefore cause a softball to move the most?A. RacquetballB. Ping Pong BallC. Tennis BallD. Baseball
Softball = 180 g Baseball = 145 g Racquetball = 42 g Tennis ball = 57g
October 24, 2011If 7,650 trucks were sold in 1999,
how many total vehicles were sold in 1999?A. 35,000B. 40,000C. 45,000D. 50,000E. 55,000
October 21, 2011
State Newton’s 3rd law.
Turn in 4 bell ringers from this week
October 20, 2011What is momentum?
Turn in unused homework extension passes for 5pts bonus
October 19, 2011No bell ringer, Mrs. Green
absent
October 18, 2011Describe projectile motion.
Tomorrow is the last day of the 9 week grading period
Turn in unused homework extension passes for 5pts bonus
October 18, 2011Describe projectile motion.
Tomorrow is the last day of the 9 week grading period
Agenda:Turn in 4.1 WKTGravity Hands-on Activity (Get in groups of 2-3)1.3 Graph WKT
Turn in unused homework extension passes for 5pts bonus
October 17, 2011Explain the difference between mass and weight.
October 14, 2011What do you think Newton’s 3rd law is now that you know the first 2?
Turn in 5 bell ringers from this week
October 13, 2011Calculate the net force.
Determine the acceleration of the 5 kg object at the above force.
October 12, 2011State Newton’s 1st and 2nd Laws.
October 11, 2011How are inertia and mass related, according to Newton’s 1st law?
October 10, 2011Tell me three things you did over Fall Break. Tell me more than slept and watched T.V.
Period
Start Stop
1 8:25 9:102 9:15 9:573 10:02 10:444 10:49 12:035 12:08 12:506 12:55 1:377 1:42 2:24
FLEX 2:29 3:00
Tuesday, Thursday
September 29 & 30, 2011No bell ringers as Mrs. Green was at a conference
September 28, 2011Can a penny kill someone if dropped from the top of a skyscraper?
Turn in 3 bell ringers from this week as I will not be here Thursday & Friday
September 27, 2011A truck travels to and from a stone quarry that is located 2.5 km to the east.
What is its distance? What is its displacement?
September 26, 2011
Find the acceleration of a car that goes from 32 m/s to 96 m/s in 8.0 s.
September 23, 2011Explain what happens if 2 objects have the same speed but different velocities.
Turn in 4 bell ringers from this week
September 22, 2011Explain how forces and motion are related.
September 21, 2011 No Bell Ringer, Mrs. Green at a
conference
September 20, 2011Create a graph showing an
object with positive velocity and positive acceleration.
Create another line on your graph to indicate an object with constant velocity.
September 19, 2011Starting from rest, if a car accelerates at 0.90 m/s2, how fast would be moving after 6.0 seconds?
a
v
t
September 16, 2011In 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
September 15, 2011During 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?
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?
September 13, 2011What is the equation to calculate acceleration?
September 12, 2011If a car travels 100 meters in 3.2 seconds, what is the average speed?
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
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?
September 7, 2011Check Your Understanding from
yesterdayWhat is the displacement of the cross-country team if they begin at the school, run 10 miles and finish back at the school?
September 6, 2011What is motion?
September 2, 2011 No bell ringer, projector broken
Turn in 4 bell ringers from this week
September 1, 2011 Draw a bar graph to illustrate the
following information about soccer team wins: Year WINS 2005 2 2006 8 2007 4 2008 7 2009 9
August 31, 2011On the graph,
what percentage of fuel usage is electric and steam?
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.
August 29, 2011 Arrange each of the following in
order from largest to smallest. centimeter kilometers meters micrometers millimeters
August 26, 2011Convert 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
August 25, 2011Complete the following conversions:38 cm into meters459 mL into centiliters1123 kg in grams
Page 879 #1-4, 6-10 Math Problems
Kelvin = °C +273°C = Kelvin - 273cm3 = mL
August 24, 2011Convert the following numbers into scientific notation:3485940.0240940.0000045951025
August 23, 2011 No bell ringer, Mrs. Green absent
August 22, 2011How many babies did Dr. Jones
deliver in 1998?A. 25B. 35C. 45D. 55E. 65
August 19, 2011
Define precision and accuracy.
Turn in 5 bell ringers from this week
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.
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.
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.
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?
