Carlos is excited when his mum inherits a piano, but getting it into their apartment is going to be tricky. In fact, piano-moving day holds more challenges than Carlos could ever have imagined.
Raymond used a lever to get the piano onto the dolly wheels. On page 29, there is an explanation of how levers work. Find something you can use as a lever such as a ruler. Try to lift some small objects using your lever. Change the position of the lever to see what happens. Show your family what you have discovered.