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Welcome to TOPS,the non-profit that is here to help kids everywhere do hands-on science with simple things.
What is this?
A free sample lab adapted from one of our 48 hands-on programs.
What can I do with it?
Teach it now, using simple stuff you already have or can easily get.
How do I print it?
Click on the image and scroll down to our free download link.
Where can I find more?
Check out our grade level index of all 48 titles. Or flip through our left menu for titles by subject area.