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Overview

 

Objectives

  1. Students will be able to define distance, gravity, inclined planes, motion, speed, balance, and center of gravity.
  2. Students will be able to predict correctly the distance that a toy car will travel on an inclined plane at various degrees.
  3. Students will be able to identify correctly the forces acting on various mobile and immobile objects.

Materials

Blocks
Toy cars
Board
Measuring stick
Camera
Computer
Class Photorem account

Procedures

  1. Students must be told that while science activities are fun, this is not a play activity. They must follow directions and move the cars only when instructed to do so.
  2. Place one block under one end of the board.
  3. Ask students to predict where the car will stop after being released from the top of the ramp.
  4. Mark, measure, and record the predicted distance as desired.
  5. Have a student place a car on the track at the top of the ramp and then release it. Make sure the students do not push the car.
  6. After the car comes to rest, have students mark, measure, and record the distance as desired. Have students take a photograph of the predicted and the actual result in the same frame.
  7. Have students release the car two more times to see if it stops at about the same place, marking, measuring, and recording the distance as desired.
  8. Add one more block under the ramp for a total of two blocks, and repeat.
  9. Add one more block under the ramp for a total of three blocks and repeat again.
  10. Post the pictures of the class results on Photorem.com and compare the images with those of other classes.
  11. Have a class discussion.


Evaluation

Students will participate in class discussion.

  • Did any of the cars go farther than the predictions?
  • Did any of the cars not go as far as the predictions?
  • Which car traveled the farthest?
  • Which car stopped closest to the ramp?
  • Why do you think one car went farther than another?

Standards

 


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