Terminals on these lamp boards let you connect lamps in series or parallel. Lamp board features removable shunt wires that allow for quick changing from parallel to series or any combinations of the two. All units have plastic bases with rubber feet. Small incandescent bulbs included. Available in three or five-socket sizes.
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AA cell battery holder with 6" connector cords in red and black. Made of unbreakable plastic. Curved sides help prevent the battery from falling out when it is upside down. Ages 7+
The Economy Spark Timer is ideal for determining the rate of acceleration is a falling weight, calculating the speed of a moving cart, or studying the forces of friction. -Students Calculate Speed and acceleration -Items Enclosed for Safety - Cord and Plug Included for 110 VAC Operation -Free-Fall Weight Included The measured object pulls a paper strip through the timer…
To demonstrate that gravitational acceleration down an incline is independent of the falling mass. The two wheeled trolley runs across the room on an inclined overhead cable. Mounting hardware, 10.8 m of cable, and full operating instructions are supplied with the unit. Size is 15 x 10 cm. Mass set and hanger are not supplied with apparatus.
Acrylic demonstration lenses include one each of double convex, double concave, plano-convex, Plano concave, concavo-convex, and convexo-concave. The focal length of each lens is 50 mm. The set includes a storage case.
Made of polished acrylic 15 mm thick, the set is provided in a convenient storage box. Set consists of: rectangle (75 mm sides), double convex lens and two double concave lenses with a focal length of about 10 cm, equilateral prism, and semi-circular block.
Sliding weights on each prong of the tuning fork can be adjusted to deliver tones at C-128, D-144, E-160, F-170.7, G-192, A-213.3, and B-240 frequencies.
Excellent for all types of low voltage experiments, these 24g connector cord feature 1" sheathed alligator clips on each end. Sold in packs of 10 (2 each of white, yellow, black, red, and green). Ages 7+ Each set includes 10 connector cords.
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Demonstrate that although the mass and volume for each example are different, the density and specific gravity will remain the same. Includes 12 aluminum cylinders (1/2 in. dia.) of various lengths in a wood storage block.
