Fourth Grade
Worksheets
Bobsledding or Bobsleigh
Do you like to go sledding? Imagine sledding at speeds of up to 90 miles per hour. Now think about having one to three other people in the sled with you. You really need to work together. It is almost time for your team of four people to start. You will have one pilot, a brakeman, and two pushers. Your sled is just over twelve feet long. The total weight of the sled and your team must be less than 1,500 pounds. If you were a two-person team, you would have a pilot and a brakeman. A two-person sled is almost nine feet long. The maximum weight for a two-person team is 860 pounds. Your team stands at the starting line. The timer counts down - beep, beep, beep - and you're off!
Once you start, your team will have only 50 meters to push the sled as fast as they can. You want your sled to gain good speed. It is important to get the sled moving as fast as you can. A slow moving sled means a slower finishing time. The .....
