Let's reuse and recycle! -- Before you get started -- Making music with bottles -- Sustainable stethoscope -- Flying hoopster -- Hovering hovercraft -- Mini catapult -- Pizza box solar oven -- Mini trebuchet -- Balloon-powered car -- Wrapping up.
Sustainable science projects are fast and easy in this book where all projects fall within a 30-minute time limit--
9781541549081 9781541542921
2018019842
Energy conservation--Juvenile literature. Sustainable engineering--Juvenile literature.