Some ideas By kwh

Which brand of microwave popcorn pops the most? (pop different kinds and count how many seeds are leftover...then eat!)

Compare liquid densities to object densities (layer molasses, water and cooking oil in a class glass/jar and then "float" different objects like toothpicks, paper clips, counting bears, grapes, etc. - they will float on different levels based on their densities)

Good luck and have fun!

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