Guidelines
Dimensions
Cannot exceed
-Build a boat capable of
4 cm x 6 cm x 10 cm
floating as many pennies as
possible.
-Keep track of your total cost.
-Must stay within time and
size limits.
Materials
•
•
•
•
•
•
•
•
Paper - $0.10/𝑐𝑚2
Aluminum Foil - $0.20/𝑐𝑚2
Cardboard - $0.50/𝑐𝑚2
Paper Clips - $0.25 each
Rubber Bands - $0.50 each
Plastic Straws - $0.10/1 cm
Clear Tape - $0.15/1 cm
Duct Tape - $0.75/1 cm
Don’t forget
to name
your boat!
Penny Boat
Challenge
Most buoyant, least expensive
boat wins!
Float
Off
How to Win
The winner of the float off will be the group with the
lowest score based on the following equation:
𝑇𝑜𝑡𝑎𝑙 𝐶𝑜𝑠𝑡
Score =
# 𝑜𝑓 𝑃𝑒𝑛𝑛𝑖𝑒𝑠 𝐹𝑙𝑜𝑎𝑡𝑒𝑑
Score
Remember
•
Once water enters your boat, or any
part of the boat touches the bottom of
the container, your boat is considered
sunk!
•
The last penny added (that sunk the
boat) will not count toward the total.
Boat
Total Cost
Pennies Floated
Final Score
Guidelines
-Build a boat capable of
Dimensions
Cannot exceed
10 cm x 15 cm x 20 cm
floating as many pennies as
possible.
-Must stay within time and
size limits.
Materials
•
•
•
•
•
•
•
•
Paper
Aluminum Foil
Cardboard
Paper Clips
Rubber Bands
Plastic Straws
Clear Tape
Duct Tape
Don’t forget
to name
your boat!
Penny Boat
Challenge
Most buoyant boat wins!
Float
Off
How to Win
Your boat must hold the most pennies without
taking on water or touching the bottom of the tank!
Score
Remember
•
Once water enters your boat, or any
part of the boat touches the bottom of
the container, your boat is considered
sunk!
•
The last penny added (that sunk the
boat) will not count toward the total.
Boat
Pennies Floated