This amazing clock is powered simply by adding water to the reservoir. The water becomes an electrolyte allowing the metal probes inside the reservoir to act like a battery. An excellent demonstration of the conversion of chemical energy to electrical energy. Grade 3+, Ages 8+.
||water, clock, electrolyte, chemical energy, electrical energy, hours, minutes, date, LCD, time
|Country Of Origin
Illustrate your point with this set of six overhead transparencies and one overlay. Topics include:..
Double-sided study cards of fossils with diagram, characteristics and location.
Match It Math is a shouting, racing, adding, subtracting, and matching game that brings real numbers..
Match Learner™ "Match it up! Advanced" is a fun card game for playing with fractions, percentages a..
Match Learner™ "Match it up! Beginner" is a fun card game for playing with addition, subtraction, m..
An ideal tool for allowing your student to become familiar with several facets of nature. The specim..
Western states pattern block picture cards. Designed for students in intermediate grades to explore ..
Limited AvailabilityThis product is a compact, portable bodyweight training station. It is ideal for..