Pick a lab
Roll & Push Guess how FAR the ball rolls — then watch it go! 
Weigh & Tip Which side of the seesaw drops? Guess, then watch! 
Sink or Float Will it float or sink? Guess, then drop it in the water! Flick & Light Will the light turn on? Look at the wire and guess! 
Magnet Magic Will they pull together or push apart? Look at the ends, then watch! Shadow Play Which way will the shadow fall? Look at the sun, then watch! Warm or Cold? In the sun or the freezer — will it get warmer or colder? Melt or Freeze Will heat or cold change it? Guess — then watch it melt or freeze! What Made It Move? Something happened — what was the cause? Free Tinker Set it up your way, then guess and watch!