Good Stuff from TOPS Learning Systems

Welcome to TOPS,

the non-profit that is here to help kids everywhere do hands-on science with simple things.

Click titles below to sample dozens of free labs you can do now!

Watch your students inquire, discover, and become their own best teachers.
See why TOPS has satisfied teachers, students, and home school families for over 30 years.
Stand back and smile…

Impressed? Order our books. Each TOPS title is a total science program.

01 Pendulums	NEW! Our first downloadable publication: 200 Diving into Pressure and Buoyancy
02 Measuring Length
03 Graphing
04 Balancing
05 Weighing	31 Perfect Balance	61 A Summer Start
06 Metric Measure	32 Electricity	62 Intermediate Alphabet Soup
07 Math Lab	33 Magnetism	63 Peaceful Procedures
08 Probability	34 Pendulums	64 Primary Alphabet Soup
09 Floating and Sinking	35 Metric Measuring	71 Primary Lentil Science
10 Analysis	36 More Metrics	72 Intermed. Lentil Science
11 Oxidation	37 Animal Survival	73 Get A Grip
12 Solutions	38 Green Thumbs: Radishes	91 Global TOPS Resource Manual
13 Cohesion/Adhesion	39 Green Thumbs: Corn & Beans	95 Try This On for Science
14 Kinetic Model	40 Earth, Moon & Sun	100 Triple Magnifier Kit
15 Heat	41 Planets & Stars
16 Pressure	42 Focus Pocus
17 Light	43 Far Out Math
18 Sound	44 Scale the Universe
19 Electricity	45 Pi in the Sky
20 Magnetism
21 Motion
22 Machines
23 Rocks and Minerals