• ANSI Class 2 T-shirt.
• Black bottom to mask dirt.
• 6 oz 100% polyester jersey knit
• Moisture wicking fabric
• 1 left chest pocket.
ANSI Class 2 lime T-shirt with black bottom. The black bottom adds contrast, and keeps the vest from looking dirty, preserving your hi-visibility. 6 oz 100% polyester jersey knit with wicking treatment allows fabric to draw perspiration from skin to outside of shirt to evaporate. Black bottom to mask dirt. One left chest pocket.
• ANSI Class 2 T-shirt.
• Black bottom to mask dirt.
• 6 oz 100% polyester jersey knit
• Moisture wicking fabric
• 1 left chest pocket.
ANSI Class 2 orange T-shirt with black bottom. The black bottom adds contrast, and keeps the vest from looking dirty, preserving your hi-visibility. 6 oz 100% polyester jersey knit with wicking treatment allows fabric to draw perspiration from skin to outside of shirt to evaporate. Black bottom to mask dirt. One left chest pocket.
• ANSI Class 2 T-shirt.
• 6 oz 100% polyester jersey knit
• Moisture wicking fabric
• 1 left chest pocket.
ANSI Class 2 lime colored T-shirt. 6 oz 100% polyester jersey knit with wicking treatment allows fabric to draw perspiration from skin to outside of shirt to evaporate. 1 left chest pocket.
• ANSI Class 2 T-shirt.
• 6 oz 100% polyester jersey knit
• Moisture wicking fabric
• 1 left chest pocket.
ANSI Class 2 orange colored T-shirt. 6 oz 100% polyester jersey knit with wicking treatment allows fabric to draw perspiration from skin to outside of shirt to evaporate. 1 left chest pocket.
100% polyester woven oxford. Elastic waist. Pass through pocket slits. Conforms to ANSI/ISEA 107-2010 standards for design, color & reflectivity. Class 3 when worn with Class 2 or Class 3 vest.
These plug caps for test tubes are high grip hollow made of low density polyethylene. Hollow caps makes insertion and removal from test tubes easy. Sold in packs of 500.
Mechanics style glove with hook & loop wrist band, Hi Vis Lime with Silver reflective stripes, Synthetic leather palm and fingertips, Spandex with foam, neoprene cuff, lycra cuff binding.
Pre-mixed with water in 32 oz. spray bottle. 90% Propylene Glycol, 9% Ethylene Glycol Phenyl Ether, and 1% Diethylene Glycol Phenyl Ether. In addition, this solution is an effective humectant. Using this holding solution ensures that your specimens stay moist, flexible, and mold-free.
For demonstrating Hooke's Law and for studying simple harmonic motion of vibrating weight suspended from spring and potential energy. It consists of a heavy base with an adjustable mirror millimeter scale, a spiral spring with indicator and weight hanger. Complete with four 50g slotted weights. Instructions included.
For demonstrating Hooke's Law and for studying simple harmonic motion of vibrating weight suspended from spring and potential energy. It consists of a heavy base with an adjustable mirror millimeter scale, a spiral spring with indicator and weight hanger. Complete with four 50g slotted weights. Instructions included.
Features flat countersunk bottom, with a double-ended hooked rod through the middle. Can be used on balance pans, as well as hooked in tandem for lever arm studies. Made of polished brass.
By William Berman, an introduction to and special projects for advanced study of the: Earthworm, Crayfish, Grasshopper, Clam, Squid, Starfish, Dogfish Shark, Perch, Frog, Fetal pig, and Gladiolus.
• Instant identification of staff and aides.
• Required in many states for emergency use
• Constructed of nylon reinforced vinyl
• Elastic straps to enable the band to fit most size arm
The I.D. arm bands are required in many states for emergency use for instant identification of staff and aides. These arm bands are constructed of nylon reinforced vinyl with elastic straps to enable the band to fit most size arm.
• iCard Cone Holders can be placed on top of your 12" and taller cones
• May also be used inside, freestanding on the floor
• A slot in the top holds an iCard (vertically or horizontally)
• Made of durable, flexible, vinyl for years of use
• iCard Cone holders measure 6 inches high
• Sold as a 6 color set of 6
• DRY ERASE BOARDS & CONES SOLD SEPARATELY
This kit is great for all doubting Thomases in your elementary through high school classes. Fast, fascinating and easy. This kit includes: Two black-colored blocks with rim for holding melting ice cube in place. The "cooler" one is of aluminum, which is an excellent conductor of heat. The ?warmer" block is of plastic foam, which is a very poor conductor of heat.
This kit is great for all doubting Thomases in your elementary through high school classes. Fast, fascinating and easy. This kit includes: Two black-colored blocks with rim for holding melting ice cube in place. The "cooler" one is of aluminum, which is an excellent conductor of heat. The ?warmer" block is of plastic foam, which is a very poor conductor of heat.
Contains 15 representative specimens of intrusive and extrusive igneous rocks, each approximately 1.5" x 1.5". Grades 5-12. Ages 10-18.
• Cargille Immersion oils meet ISO standards for performance
• Available in 1/4 oz bottles
• Types A and B are used for most fluorescent microscopy applications, type NVH.
Cargille Immersion Oil is required for high magnification and to obtain sharp images with clear resolution. These Immersion oils meet ISO standards for quality. Type A (low viscosity) and Type B (high viscosity) are used for normal microscopy applications with viscosities from 150-1250 (centistokes). The greater the gap between cover glass and objective, or condenser and slide, the more desirable high viscosity becomes. Type B is recommended when there is a larger gap between your cover slip and the objective. For extremely large gaps, NVH is required.
Sturdy plastic impact car features a graduated spring scale and a slide that is displaced on impact against an obstacle. Includes activity guide.
Sturdy plastic impact car features a graduated spring scale and a slide that is displaced on impact against an obstacle. Includes activity guide.
• 100% polyester fabric with matching color trim
• Hook & loop front closure
• White 1” wide reflective material (White vest uses lime reflective material)
• Upper right chest pocket with pencil/pen division (5” wide x 5” tall)
• Inside lower right patch pocket (5.5” wide x 5.75” tall)
• Non-ANSI Compliant
Incident command vests come in 12 different colors, making them easy to identify staff and crew by job, team or rank during school events, workshops or emergencies. Just assign a different color to each group. Each vest has clear plastic card holders on the front and back to hold 4.25" x 11" (back) and 3" x 5" (front) cards, so you can label each vest any way you choose. Vest is100% polyester fabric with matching color trim. Hook & loop front closure. White 1" wide reflective material (White vest uses lime reflective material). Has an upper right chest pocket with pencil/pen division (5" wide x 5" tall). Inside lower right patch pocket (5.5" wide x 5.75" tall). Non-ANSI Compliant.
This robustly constructed inertia demonstrator works reliably every time and is a great improvement on traditional versions of this classic experiment. A steel ball rests on a thin metal card on top of a pillar, and a spring-loaded catch is mounted next to the pillar. When the catch is released, a piston strikes the edge of the metal card sharply. The card flies out from under the ball, which remains in place on top of the pillar due to its large inertial mass. The card is tethered to the aluminum base for easy recovery after the experiment.
This robustly constructed inertia demonstrator works reliably every time and is a great improvement on traditional versions of this classic experiment. A steel ball rests on a thin metal card on top of a pillar, and a spring-loaded catch is mounted next to the pillar. When the catch is released, a piston strikes the edge of the metal card sharply. The card flies out from under the ball, which remains in place on top of the pillar due to its large inertial mass. The card is tethered to the aluminum base for easy recovery after the experiment.
• Instant cold pack to soothe injuries
• Simply squeeze to activate cold compress
• 4" x 9"
• Case of 16
• Single use only
36" x 24" full color laminated poster. "We can follow our dreams to distant stars...," declared President Reagan when he proposed this ambitious project in his 1984 State of the Union address. This poster provides a comprehensive overview of the program goals, how it got started, its various components, and its appearance when finished. The visiting Space Shuttle provides scale.
36" x 24" full color laminated poster. "We can follow our dreams to distant stars...," declared President Reagan when he proposed this ambitious project in his 1984 State of the Union address. This poster provides a comprehensive overview of the program goals, how it got started, its various components, and its appearance when finished. The visiting Space Shuttle provides scale.
36" x 24" full color laminated poster.
Fossils were a mystery for thousands of years; then a few pioneering scientists realized that they were the remains or traces of once-living organisms.
Well-known bone-type fossils are actually rocks, the result of a process called mineralization in which minerals replace decaying tissue. This process is shown and explained. All of the other fossil types are also explored.
The rarity of fossils is dramatically presented, and strange things sometimes mistaken for fossils are identified. There’s an introduction to fossil expeditions and a summary of how fossils contribute to our understanding of the earth and life on it.
There is an especially helpful section on the relationships between fossils and geology. It covers the principle of original horizontality, the law of superimposition, the principle of faunal succession, the geological time scale, index fossils, relative dating, and absolute dating.
All of this is conveyed through detailed illustrations showing the processes, excellent photographs of representative specimens, and interesting and informative captions. This poster is a great aid to museum interpretive programs and is extremely beneficial in the study of both life and earth sciences.
36" x 24" full color laminated poster.
This poster begins by defining a mineral. It then expands on that by exploring atoms, molecules, and crystal structure. The various crystal structures are explained. This is followed by an excellent summary of the mineral classes.
Mineral collectors and students want to identify their specimens. However, specimens of the same mineral can vary greatly in appearance, which can make that a daunting task. Identification is based on a number of properties.
This poster provides an outstanding introduction to those properties: hardness, habit, luster, cleavage, specific gravity, color, streak, and fluorescence. Illustrations are used to explain principles. Photographs of truly outstanding specimens are used as examples.
36" x 24" full color laminated poster. This poster begins by defining a mineral. It then expands on that by exploring atoms, molecules, and crystal structure. The various crystal structures are explained. This is followed by an excellent summary of the mineral classes. Mineral collectors and students want to identify their specimens. However, specimens of the same mineral can vary greatly in appearance, which can make that a daunting task. Identification is based on a number of properties. This poster provides an outstanding introduction to those properties: hardness, habit, luster, cleavage, specific gravity, color, streak, and fluorescence. Illustrations are used to explain principles. Photographs of truly outstanding specimens are used as examples.
36" x 24" full color laminated poster.
This is an outstanding rock identification chart! The introduction explains that each type of rock is the result of a specific mixture of minerals subjected to a clearly defined geological process. It shows and describes the most common rock-forming minerals and variations that occur within rock types.
The bulk of the poster is divided into three sections, one for each rock type: igneous, sedimentary, and metamorphic. An illustration shows how they are made, and a photograph shows a natural formation. A dozen other photographs show representative specimens. Each is accompanied by an informative caption citing identifying characteristics and common variations.
A bonus section shows and explains some of the more specialized and popular rock forms, such as geodes, concretions, agates, and meteorites.
This is a great poster for earth science classes. Rock collectors find it invaluable for quick reference.
36" x 24" full color laminated poster. This is an outstanding rock identification chart! The introduction explains that each type of rock is the result of a specific mixture of minerals subjected to a clearly defined geological process. It shows and describes the most common rock-forming minerals and variations that occur within rock types. The bulk of the poster is divided into three sections, one for each rock type: igneous, sedimentary, and metamorphic. An illustration shows how they are made, and a photograph shows a natural formation. A dozen other photographs show representative specimens. Each is accompanied by an informative caption citing identifying characteristics and common variations. A bonus section shows and explains some of the more specialized and popular rock forms, such as geodes, concretions, agates, and meteorites. This is a great poster for earth science classes. Rock collectors find it invaluable for quick reference.