Connection Wire with Alligator Clips Red/Black 24″ Pk/6
This PVC-insulated copper wire has 2″ (50 mm) PVC-insulated alligator clips on both ends. It is useful for making circuits and electrical demonstrations.
• Sold in a pack of 6 with 3 red wires and 3 black wires
• 24″ (600 mm) L
• Diameter: 2.6mm
• Gauge of Wire: 16
On cloudy days, is it still important to wear sunscreen? Do all sunglasses provide equal protection? These solar beads change from white to colorful when exposed to a UV light source; the more UV light, the brighter they become. Use them to help answer the above questions and more! Learn about UV rays and where they come from. These beads are useful for science and health as well as arts and crafts (make cool bracelets, or necklaces, glue them to make mosaics… the possibilities are endless).
• Comes with a Teacher’s Guide and reproducible Student Handout
• Sold in a box of 1000
Students can experiment with this kit to discover for themselves how energy exists in many forms and the resources from which society can benefit. Some examples include mechanical, chemical, light, and wind. Harnessing these forms and converting them into electricity creates easier ways of accomplishing many tasks.
• Comes with instructions
This fascinating anti-gravity demonstration works on the principle of repelling magnets and is ideal for discussing magnet levitation and frictional force experiments. With a simple twist of the fingers, the axle spins horizontally in a state of near-perpetual motion for up to 20 minutes. Black and white reflecting strips on the axle allow students to observe the patterns created by the alternating colors and to measure rotation speed using a stroboscope (not included).
• Comes with a Teacher’s Guide
• Batteries are not required
• Approx. 5″ L x 2.5″ W x 3″ H
Tuning Fork, Steel Standard 261.6 Hz “C” with Ball, Plastic Pouch
Tuning forks are an excellent tool for demonstrating the physical nature of sound. Simply hit the fork with a mallet and a steady tone will emanate. This fork comes in a plastic pouch and is a great addition to physical science classrooms.