float your boat

 This is my boat.It can carry at most 43 coins.I think if we want to make the floatage more stronger, the first thing we should think about is the balance ,so my teammates and me designed two cabins to keep it .

Qualitative Quantitative
aluminum foil

 

The area of 1 piece of aluminum foil is

20cm x 15cm

 

Masking tage The length of 1 piece of masking tape is 15cm

 

Toothpicks and marshmallows Toothpicks and marshmallows are both in number.

Hypothesis:If there are more space of the boat, it can carry more coins.Because the more water you discharge, the greater the buoyancy.

conclusion :the  more water the boat discharges, the more coins it can carry

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