Sign meets the Manual on Uniform Traffic Control Devices (MUTCD) specifications for shape, color, dimensions, legends, illumination and reflectorization set forth by the Office of Traffic Operations, Federal Highway Administration, U.S. Department of Transportation. Sign includes 3M Scotchlite Reflective Yellow Green Sheeting which is designed to reflect headlights at night and make signs visible to drivers. This provides enhanced visibility and safety. 30" x 30" (Yellow/Green).
Sold by the foot Lightweight yet remarkably strong. Made of trouble-free polyethylene with 150 lb. point of break. Maintenance-free, very durable, and fully weather resistant. will not rust or corrode. 1 1/2" links.Available in 4 colors.
This Choking Poster (updated for 2013), explains in great detail how to help an adult who is choking in a step by step process. This first aid poster breaks down instructions on how to help a choking victim. If a victim is conscious, this poster illustrates in great detail instructions for following 3 steps to provide emergency help. If a victim becomes unconscious, there are instructions to follow steps 1-4. Illustrations are sharp and colorful; the text is large making reading easy. This adult choking first aid poster is critical to have on hand at any restaurant, school, child care facility, or business. 18" x 24".
Fold-up safety floor signs make your "caution" clear on all four sides. These patent-pending signs come with an innovative device called the Lockin' Arm" that lets you place them quickly and easily with a couple of quick flicks, locking the 25" high sign solidly into place to prevent collapsing. In addition signs are made of large, molded plastic panels that offer an easy-to-read message area. Virtually indestructible. 1 1/2" thickness allows for easy space saving storage.
12 3/4" Wide x 10 1/2" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.
12" Wide x 13 1/4" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.
2,6-Dichloroindophenol Sodium salt (indophenol), reagent - 1g
Potassium Bromide, lab grade, crystal - 125g.
Cupric Sulfate reagent fine crystal - 125g
Limewater solution is commonly used for testing the presence of carbon dioxide in gaseous samples in school laboratories, and refining of sugar in a process called carbonatation. 1 liter.
Potassium Iodide, lab grade, granular - 25g.
Sodium chloride, lab grade, crystal - 500g
25" x 38" Designed in Germany by a well-reputed chemistry teacher, our full-color, illustrated Periodic Table of the Elements features the natural look of the elements or their most usual application. Our poster and wall-sized editions will fit well on your office or classroom wall.
The 21 plastic fossils and detailed Laboratory Manual in this kit will let your students become practicing paleontologists. Kit conveys importance of fossil study to investigations in geology, history, mapping, and stratigraphic correlation. Grades 7-12.
Washington Student Collection Designed to accompany the Washington School Collection. 40 unlabeled chips in a zip-lock storage bag.
Washington Student Collection Designed to accompany the Washington School Collection. 40 unlabeled chips in a zip-lock storage bag.
Contains 15 representative specimens of intrusive and extrusive igneous rocks, each approximately 1.5" x 1.5". Grades 5-12. Ages 10-18.
Compare and contrast the physical properties of streak and color in this 8 specimen mineral collection. Numbered specimens are approximately 1 x 1.5". Streak plate and key sheet included. Grades 5-12. Ages 10-18. Ages 10-18.
Compare and contrast the physical properties of streak and color in this 8 specimen mineral collection. Numbered specimens are approximately 1 x 1.5". Streak plate and key sheet included. Grades 5-12. Ages 10-18. Ages 10-18.
Provides a primary presentation of the basic rock types. Includes five each of igneous, sedimentary and metamorphic rocks, totaling 15 specimens, approximately 1.5" x 1.5". Grades 6-12. Ages 11-18.
Excellent reference collections and a valuable aid in identifying and comparing common and rare rocks and minerals. These mounted collections display common minerals and igneous, sedimentary and metamorphic rocks. Specimens are 1/2"-1". Rocks and Minerals Study Guide included. Grades 5-12. Ages 10-18.
Crystals are fascinating creations of natural beauty. Diamonds, gemstones, rose quartz, snowflakes, sugar grains, and table salt are all crystals. Grow your own crystals and explore these exquisitely ordered structures in a fun, creative way with six crafty experiments. This kit includes five different chemicals and other tools for growing crystals. Grow a crystal cloud inside a rainbow. Watch pink iridescent crystals form from a translucent solution. Grow long needle-shaped crystals. Mold plaster hearts and flowers and then grow a layer of pink crystals on them. Create the perfect solution to get crystals to form on a granite rock. A specially designed experiment station provides molds and growing basins for your crystal creations. After you have grown your crystals, store them safely in three clear, locking display boxes. Learn how and why crystals form, and tips and tricks for getting the biggest, most beautiful crystals. Full-color, 16-page experiment manual.