Aluminum Alloy Tuning Forks - Frequency 128, Note C
Made of 3/8" x 1" bar stock with smooth, aluminum turned handle approximately 1-3/4" long. This nonmagnetic tuning fork requires no plating and will not rust or corrode. The scale letter and frequency is stamped on the fork. Accurately t..
Product Number: SB14261M
Happy/Sad Ball Kit
Two rubber balls that look, feel, and squeeze the same - but try bouncing them! These intriguing inelastic and elastic collision balls are popularly called “happy and sad.” One ball rebounds normally while the other is as bounceless as a..
Product Number: SB33947M
Designed for demonstrating that vapor pressure increases when temperature increases. Apparatus consists of two glass bulbs which are connected with a glass tube and contain a colored, volatile liquid. Holding one of the bulbs in your hand causes the eva..
Product Number: SA09087M
Unmounted Optical Lenses - Double Convex 3.75 cm Diameter, 5 cm Focal Length
An excellent unmounted lens for use with optical benches and other studies in optics. Made of high-quality optical glass, and has ground edges.
Product Number: SB10476M
Magnetic Chalkboard Ray Box Kit with Power Supply
This versatile, comprehensive ray box kit allows teachers to demonstrate geometric optics principles to the whole class. The ray box and all optical accessories can be firmly held to a metal chalkboard. The kit comes with a plastic box with a 12V haloge..
Product Number: SB47683M
For your STEM curriculum.Grades 8-12.A fun way to learn about velocity and acceleration. Launch marbles at five different speeds. Safety guide printed directly on the hardwood marble launcher’s surface. Protractor is b...
Product Number: SB48995M
Dioxide Glass Puzzle
Grades 5-12.The puzzle consists of a mounted cylindrical acrylic lens and a laminated card with the words “DIOXIDE GLASS.” When students look through the lens at the card, one word will appear to be flipped upside down while...
Product Number: SB49814M
12-Piece Density Identification Set
Set of 12 different material samples that have a variety of classroom uses. Introduce the idea of density, and challenge students to identify materials based on density measurements. The fact that some of the materials have nearly identical densities wi..
Product Number: SB47732M
Physical Science Investigations Video Library DVD
Expand your classroom video resources! This investigation library is the perfect curriculum solution to creative and engaging lessons with videos. Use each segment to introduce, highlight, or initiate key curricular topics. DVDs include detailed informa..
Product Number: SB40885M
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