Title your pages: Page 69: Unit 2 Student Reflection Page 70: Unit 2 Parent Review Page 71: Table of Contents (Only if you don’t have Table of contents in the front of your notebook; Otherwise Skip this page) Page 72: Unit 3: Rate Page 74: Rate in Mechanical Systems 1 Page 76: Rate in Mechanical Systems 2 When finished, begin your reflection. Parent Review Due: November 2/3, 2011 3 WEEK TEST ON NOVEMBER 2/3, 2011! 3 WEEK TEST ON NOVEMBER 2/3, 2011!
Get in your group and answer all five questions Put in “IN BOX” when you are completely done I don’t want any incomplete work in there!
Acceleration Heat Transfer Electric Current TODAY’S DATE Draw a picture in each section. 3 WEEK TEST ON NOV 2/3, 2011!
Define speed, velocity, and acceleration. Explain the difference between speed and velocity. Explain the difference between velocity and acceleration. Use speed, velocity, and acceleration to solve problems involving linear motion. **Write Essential Question under the title on page 74** Essential Question: Can objects that change still remain constant? 3 WEEK TEST ON NOV 2/3, 2011!
Scalar (magnitude only)Vector (magnitude AND direction) GUESSGUESS GUESSGUESS GUESSGUESS GUESSGUESS
Distance (d or Δd) "how much ground an object has covered" during its motion. SI Unit: meters, m Kilometers, km Speed (v or Δv) "how fast an object is moving.“ SI Unit: meters/second, m/s Displacement (d or Δd) "how far an object is from where it started" SI Unit: meters, m In a certain direction (West) Velocity (v or Δv) "how fast AND the direction an object is moving.“ SI Unit: meters/second, m/s In a certain direction, northeast 3 WEEK TEST ON NOV 2/3, 2011!
Distance A student walks 25 m east from his car to his class then 16 m west to the gym. What is the total distance traveled by the student?
Displacement (d or Δd) A student walks 25 m east from his car to his class then 16 m west to the gym. What is the displacement traveled by the student?
Speed (v or Δv) Mary walks to a store 210 m to the north for 30 minutes. What was Mary’s walking speed?
Velocity (v or Δv) Mark walks to a store 210 m to the north for 30 minutes. What was Mark’s walking velocity?
GUESSGUESS
Rate Challenge HEADS UP! A6s&feature=related A6s&feature=related Bring your WHEELS and materials for CAR BODY! I will provide the axle (wooden sticks) and the rubber band. Building and/or testing will be on November 4/ WEEK TEST ON NOV 2/3, 2011!
Make sure you get YOUR notebook ready, a sheet of paper numbered 1- 15, a calculator and a pen/pencil.
I will come by and check your student reflection/ Parent Review while you test. NO phones, talking or cheating will be tolerated. I will take the test away!! Do NOT write on the test. After test, pick up problems and begin working on them. You have 45 minutes for the test!!
Instantaneous Speed - the speed at any given instant in time. Speed (v) = d t Average Speed - the average of all instantaneous speeds; found simply by a distance/time ratio. Average Speed (v avg )= d = d 1 + d 2 t t 1 + t 2 76
Acceleration, a Is a vector quantity that is defined as the rate at which an object changes its velocity. An object is accelerating if it is changing its velocity by –vector quantityvelocity Speeding up Slowing down Changing direction Is negative when slowing down OR speeding up in the negative direction (deceleration) SI Unit: meters/seconds 2, m/s 2 76
Acceleration Acceleration = Velocity change ( v) Time Interval ( t) Average acceleration = A avg = v = v 1 - v 2 t t 1 - t 2
An student rolls a pencil at his desk from north to south. The velocity as it left his hand was 0.23 m/s and it came to a stop in 4 seconds. What is the acceleration of the pencil? 76
On the paper slips, address the following in complete sentences about Mechanical Rate: 3 - Things you learned 2 - Things you found interesting 1 - Question you still have
Left Pages Page #Right Pages Page # Rate in Mechanical Systems 1 67 Rate in Mechanical Systems WEEK TEST ON NOV 2/3, 2011!
Categorizing How would you assign the words into two groups? What would be the heading for the two groups? Distance Displacement Speed Velocity 3 WEEK TEST ON NOV 2/3, 2011!