ARE YOU READY FOR SOME ENGINEERING?
CHALLENGE:
Elmer Elevator has to rescue a dragon from the island. Wouldn't it be easier if there is good bridge. You can help Elmer.
Design a bridge that can hold a half pound bag of sugar
(or a dragon!)
Elmer Elevator has to rescue a dragon from the island. Wouldn't it be easier if there is good bridge. You can help Elmer.
Design a bridge that can hold a half pound bag of sugar
(or a dragon!)
CONSTRAINTS:
(have a parent help you measure with the ruler, construct and test a bridge) Materials (listed above) It has to be at least 24 inches long It has to have at least 12inches that are standing at least 2 inches off the ground Only bridge supports can touch the ground The bag has to stay on the bridge for 20 seconds before ANY part of the bridge other than supports touch the ground. |
MATERIALS1. 5 sheets of construction paper (any colors)
2. 5 pipe cleaners (any colors) 3. glue stick (small) 4. 10 large paperclips 5. 15 small paper clips 6. 1 pencil 7. 4 straws with elbow (ones that bend) 8. 1/3 yard of 12 " aluminum foil 9. 3 sheets of regular white printer paper 10. 5 craft sticks ( any size - but all need the same size) 11. 9" x 12" Manila Extra-Heavyweight Clasp Envelopes You may also use unlimited masking or scotch tape. |