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| Grades 1-12
Set of 10 miniature 2.5V (#14) light bulbs.
Plastic flashlight uses 2 D batteries (not included). Color may vary.
From switches to sockets, all the essential electrical supplies your classroom will need!. Bulb Mini #48, 1.5V: Mini #48, 1.5V; (use with single D battery), Set of 10.
Make your point: this bright pointer is the perfect tool to spotlight charts, projectors, and objects!. Versatile and useful, this tool emits a bright, narrow beam of red laser light. Excellent for spotlighting distant objects, drawing attention to charts and projectors, or demonstrating light refraction. Specifications: lightweight aluminum pointer, 650 nm wavelength, output measures <5mW up to 500 yards, 5" x 1/2". Two AAA batteries are included.
Set of 10 circular, 1 3/4" mini bulb holders. They will hold any size miniature bulb.
Everything you need to begin exploring optics at an affordable price!. Here are the basic materials you need for introducing the principles of light and color! Kit comes in a handy, reusable storage box and includes an instructional guide with 20 activities.
1 double convex lens (glass, 38 mm diameter)
1 double concave lens (glass, 38 mm diameter)
1 plain lens (38mm diameter)
2 mirrors (square, acrylic)
3 lens/mirror supports
2 equilateral prisms (acrylic, 25 mm x 50 mm)
1 clear glass screen
1 plastic screen (white)
5 cellophane squares in 5 colors
1 flashlight (two batteries included)
1 graduated beaker (plastic)
1 activity guide
| Grades 3-6
Help your students learn about electrical circuits with this classroom-size kit. Introduce elementary students to the concept of electrical circuits with this hands-on, classroom-size kit. Once the students design the circuit they can test the circuit by constructing a sample using real electrical components.
Easy-to-build circuit designs
6 Insulated alligator clips
4 Battery holder, D cell
2 Knife switchs
10 Mini Bulbs, 1.5V
1 Buzzer 1.5V
6 Component cards
1 Motor 1.5-6V
10 Bulb holders
6 D cell, alkaline batteries
1 Propeller 1.5"
| Grades K-12
Various lengths for all your spectrum needs!. Prisms are 25 mm, 50 mm, and 100 mm long.
| Grades 1-8
Set of eight tuning forks-C'-256 Hz, D'-288 Hz, E'-320 Hz, F'-341.3 Hz, G'-384 Hz, A'-426.6 Hz, B'-480 Hz, and C"-512 Hz-in a fabric-lined wood box. Includes rubber-tipped mallet.
Show your students the laws of light and color using this colorful set of paddles!. Demonstrate the principles of blending light and color with these 6" paddles. Each set contains six paddles in six colors and three different textures. Includes three sets-a total of 18 paddles.
| Grades 4-8
Make series and parallel lamp circuits!. Includes enough materials for eight groups of students to make series and parallel lamp circuits: twenty lamp sockets, twenty 1.5V lamps, ten 2.5V lamps, eight Universal Battery Holders, 100 feet of insulated copper wire, and one wire stripper (not shown). The battery holders can accommodate AA, C, and D-Cell batteries.
A selection of lenses and prisms to make your studies of light fun and fascinating!. Includes 6 acrylic prisms and lenses: rectangular block, semicircle, equilateral prism, double convex lens, and 2 double concave lenses.
| Grades 6-12
An unforgettable way to demonstrate the intense heat radiation emitted by sources of light!. This classic model demonstrates that light has energy. As the dark and light vanes in the 3"-diameter glass globe absorb light at different rates, the vanes spin, depending on the intensity of the light. 5" high. All grades.
Original metal version. Used to show electromagnetic and sound waves.
Create rainbows in your classroom! Break white light into the spectrum of colors with this acrylic equilateral prism; 4" x 3/4" x 3/4".
A selection of lenses and prisms to make your studies of light fun and fascinating!. Double convex lens with 50-mm focal length and a double concave lens with 100-mm focal length.
Help students take a closer look at science with mirrors!.
| Grades 5-12
An complete optical laboratory you can hold in your hands!. An entire optical laboratory in a box! At the heart of this cleverly designed light box is a lens that focuses bright rays of light. The box is able to produce one, three, or four beams of light. It also projects beams of colored light for color-mixing experiments. The set includes two lucite prisms, a rectangular piece of lucite (to demonstrate light refraction), two mirrors, two slit-forming plates, eight transparent color filters in slide mounts, colored cards, and an instruction booklet with 36 experiments. Reusable storage container included. Requires 12V power supply (not included).
A selection of lenses and prisms to make your studies of light fun and fascinating!.
A reliable source of power designed for use with our Light Box and Optical Set!. This power supply is designed for use with the Light Box and Optical Set. It produces a fixed output voltage of approximately 12 Volts at a maximum current of 3A.
| Grades 2-6
Discover a dazzling world of shapes and colors, and learn about optics and visual perception!. Build, decorate, and explore with these color and build science sets. Simple step-by-step instructions and fun scientific facts are included!
The Spinning Button
The 3D Glasses
Where is the Coin
A set of coloring pens
| Grades K-4
Sound is created through vibrations that vary in pitch and volume. This creates sound-waves that you can hear. Includes experiments. Paperback
A selection of lenses to make your studies of light fun and fascinating!.
| Grades 2-4
Movements called vibrations produce sound. Small vibrations make a quiet sound. Big vibrations make a loud sound. This book teaches children what sound is and how it can be measured. Paperback
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