Materials
Materials
1. Half a cup of sand
2. Half a cup of crushed stone
3. Half a cup of crushed ice
4. Tablespoon of cooking oil
5. 20 by 25 inch board
6. Stop watch
7. Five 20 inch long Hot Wheels tracks
8. A Hot Wheels car
1. The item you need first is a board 25 inches long and 20 inches wide.
2. Elevate the board 30 degrees.
3. Line up five Hot Wheels tracks, one next to the other.
4. On the first track put nothing.
5. On the second track spread a half a cup of sand.
6. On the third track spread a tablespoon of cooking oil.
7. On the fourth track spread a half a cup of pebbles.
8. On the fifth track spread a half a cup of ice.
9. Put a Hot Wheels car on the first track.
10. Use a stop watch to time the car going down the track.
11. Send the car down the track three times.
12. Repeat procedures 9 - 11 for each of the other tracks.
13. When you are finished, you can even do an Internet page like this.
|
|
|
|
|
|
|
|
|
|
|
|
|