These screen sieves can be used by students for geological applications. The four different sizes (by standard US scale: 5, 10, 60, 230) will allow students to separate and grade soil and rock sampes in order to determine the make-up of soil strata. Set includes bottom pan and lid with Teacher's Guide. Could also be used for a science fair experiment.
Build your very own smart robot!
View the glory of space with this hi-tech telescope set!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
Create currents and discover gravity while exploring the theory of Lenz's Law with this kit!
Explore the invisible and amazing power of magnets with 33 engaging experiments and games.
See the solar system in action!