7.
<ul><li>The fastest land animal, the cheetah, can run 70 miles in 1 hour. </li></ul><ul><ul><li>speed= 70 = 70 mph </li></ul></ul><ul><ul><li>1 </li></ul></ul>
8.
No Speed Limit: Introducing the Cheetah [01:09]
9.
Calculate the speed. <ul><li>A sloth climbing 10 feet in 2 minutes </li></ul><ul><li>10 = 5 ft/min </li></ul><ul><li>2 </li></ul>
10.
motion <ul><li>measured in relationship to point of reference </li></ul>
11.
The passenger can use a tree as a reference point to decide if the train is moving. A tree makes a good reference point because it is stationary from the passenger’s point of view.
12.
velocity <ul><li>speed & direction of an object’s motion </li></ul>
13.
Activity-Speeding Students 17 sec 20 sec 4 sec 5 sec 5 sec Time 20 m 20 m 20 m 20 m 20 m Distance 20 = 1.2 m 17 sec Anthony A (cartwheeled) 20 = 1 m 20 sec Ryan (crab) 20 = 5 m 4 sec Zachary 20 = 4 m 5 sec Taylor (ran) 20 = 4 m 5 sec Mrs. Holewinski Speed= d t Name
15.
Balloon Powered Race Cars <ul><li>Materials: </li></ul><ul><li>standard 9 inch balloon </li></ul><ul><li>pen barrel or straw </li></ul><ul><li>various materials to construct the racers </li></ul><ul><li>Rules: </li></ul><ul><li>The car must be powered by no more than 2 balloons. The balloons may only be blown up using lung power by the car operator. No other gases, such as helium, may be used. </li></ul><ul><li>You can build the car out of anything, except a toy car or toy car parts. </li></ul><ul><li>It must have at least three wheels. Wheels are defined as anything that is round and goes around. </li></ul><ul><li>The wheels can not be wheels from a toy car. They must be made out of something that was not originally meant to be used as wheels. </li></ul><ul><li>The car may not leave the ground. </li></ul><ul><li>The car must be capable of traveling at least 5 meters. </li></ul><ul><li>Your car, with the completed entry form, is due on Tuessday, June 2. </li></ul><ul><li>Procedure: </li></ul><ul><li>You will use materials from home and assemble your car at home. </li></ul><ul><li>On race day we will set up a track in our classroom. </li></ul><ul><li>You will race in pairs against other classmates. </li></ul><ul><li>Cars that follow all of the rules will be eligible for awards. </li></ul><ul><li>These awards will be given in three categories. </li></ul><ul><li>1. Best Looking Car </li></ul><ul><li>2. Fastest Car (in first 5 meters) </li></ul><ul><li>3. Farthest Distance Traveled </li></ul>Good Luck!
16.
3 straws, balloon, electrical tape, 4 Styrofoam lids Materials 5.86 15.33 Pussycat Express Jane Doe Running Time (seconds) Distance Traveled (cm) Car Name Driver Name
17.
+5 WON AWARD TOTAL SCORE ___ OUT OF 5 ENTRY FORM COMPLETED CORRECTLY ___ OUT OF 10 EFFORT ___ OUT OF 5 CAR TRAVELED AT LEAST 5 METERS ___ OUT OF 80 FOLLOWED RULES POINTS GRADING RUBRIC +5 WON AWARD TOTAL SCORE ___ OUT OF 5 ENTRY FORM COMPLETED CORRECTLY ___ OUT OF 10 EFFORT ___ OUT OF 5 CAR TRAVELED AT LEAST 5 METERS ___ OUT OF 80 FOLLOWED RULES POINTS GRADING RUBRIC +5 WON AWARD TOTAL SCORE ___ OUT OF 5 ENTRY FORM COMPLETED CORRECTLY ___ OUT OF 10 EFFORT ___ OUT OF 5 CAR TRAVELED AT LEAST 5 METERS ___ OUT OF 80 FOLLOWED RULES POINTS GRADING RUBRIC +5 WON AWARD TOTAL SCORE ___ OUT OF 5 ENTRY FORM COMPLETED CORRECTLY ___ OUT OF 10 EFFORT ___ OUT OF 5 CAR TRAVELED AT LEAST 5 METERS ___ OUT OF 80 FOLLOWED RULES POINTS GRADING RUBRIC
18.
Running Time (seconds) Distance Traveled (cm) Materials Car Name Driver Name Running Time (seconds) Distance Traveled (cm) Materials Car Name Driver Name