Study the magnetic field of a current-carrying coil, and how an iron core affects it.
Used for many demonstrations involving electric magnets or solenoids. A plastic spool is wrapped with three layers of 20-gauge magnet wire. A 1.8 cm diameter removable steel core is located inside the solenoid. Insulated binding posts are located at each end for application of an electric current.
Included is a 3/4" x 6" steel core. Instruction sheet provided.
(8" x 4" x 4"; 0.62 lb).
Working model representing the sun, earth, and moon and their relationships.
Great microscope for viewing both slides and 3D objects such as flowers, bugs, rocks and more. Includes all accessories!
This is a great clean heat demonstration model for the classroom setting!
Command robotic creations with this cool construction kit!
Learn about detective science through this fun fingerprinting kit!
This magic bird defies gravity before your very eyes!
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