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.
1 blue vial and 1 red vial (100 strips per vial).
A natural rock that contains traces of iron ore with natural magnetic properties. Measures approximately 2" long.
This Borosilicate glass beaker is ideal for heating because of optimum balance between thermal resistance and mechanical resistance achieved from controlled wall thickness at the sides radius and bottom. Spout is designed for easy pouring.
Economical, great for students. Consists of two 3 inch Diameter rubber suction cups. No vacuum pump needed. To demonstrate Atmospheric Pressure.
Economical, great for students. Consists of two 3 inch Diameter rubber suction cups. No vacuum pump needed. To demonstrate Atmospheric Pressure.
Support for bar magnets or friction rods. Allows magnets or friction rods to hang freely and turn in a horizontal plane. Hooks are 89 mm apart. Dimensions 3.5" x 2"x1". Shipping weight 10 grams.
• Student Version cleanly demonstrates properties of magnetic materials.
• Iron fillings sealed in 3-3/4 in x 2 -3/4 in transparent plastic case.
Student Magnetic Field Demonstrator cleanly demonstrates properties of magnetic materials. Iron fillings measuring 3-3/4 in x 2 -3/4 in (90mm x 65mm x 6mm) are sealed conveniently inside a transparent plastic case.
See what objects this safe and durable Magnet Wand attracts around your house or classroom...or try it with with Magnet Marbles or Metal-Rimmed Counting Chips by Dowling Magnets (not included). Great for magnet play, experiments, sensory tables, scavenger hunts, bingo, party favors, and even your hobbies (cleans up hardware and metal shavings around the workshop or sewing pins and needles). Comes in assorted colors.
Experiment with magnetism, create fun games, and amaze your friends. Magically dangle a chain of marbles from the wand, make the marbles dance without touching them, and more. Includes 1 magnet wand (7.63 inches long) in assorted solid colors and 5 bicolor magnet marbles (.63 inches in diameter). Ceramic magnets are completely encased in plastic. Ceramic magnets are the most lightweight and economical magnets. Children safety tested for ages 4+.
This Type 1 (DIN# GL-45) Borosilicate Glass, general purpose media bottle is autoclavable with permanent white imprinted graduations and marking spots. The screw thread opening has an ID of approximately 300m. The supplied cap is liner-less and both the cap and drip free ring are polypropylene autoclavable to 140 degrees Celsius (284 degrees Fahrenheit).
• Use one vest for any event!
• Clear pocket on the back where you can insert a 7.5" x 3.25" sign.
• Choose from one of our 8 stock inserts or order your own custom signs
• Comfortable cotton trim
• 3" hook & loop front closure
• 3/4" elastic side closures for universal sizing
• One size fits most
Tired of hunting through your vests and capes looking for the right one for your event? Now you can use one vest for any event! This one size fits all mesh orange vest has a clear pocket on the back where you can insert a 7.5" x 3.25" sign. Choose from one of our 8 stock inserts or order your own custom signs (minimum 12 ea.). Comfortable cotton trim. 3" hook & loop front closure. 3/4" elastic side closures for universal sizing. One size fits most.
Made of hard plastic 1/4" thick, this metre stick features alternate color dm bars over cm calibrations. The reverse side is calibrated in millimeters.
Made of the finest sheet glass. Individually selected for uniform quality. Precision ground edges. Guaranteed precleaned. Approximately 1 mm thick. Size 75mm x 25mm.
These pre-cleaned slides are 75mm x 25mm, 1.0mm to 1.2mm thick, and are packaged in boxes of 72. Made of quality sheet glass, with ground edges.
Help your students to prepare a fantastic science fair! Milliken's science fair resource guide provides students with step-by-step instructions and suggestions, information, guidelines, and forms to take them from the earliest stages of choosing a project to their final display at the science fair. 32 pages.
This Moh's Hardness Scale collection is mounted on a 5 1/2" X 7 1/8" full color cardstock which holds 9 specimens in their order from the softest (#1 Talc) to the hardest (#10 Diamond not included). There are indicators on the card which instruct the students what will affect the surface of each of these specimens. This economy version of the Hardness Collection has specimens measuring 1/2" to 3/4" in size. The card is packaged in a resalable zip lock bag. Grade Level 6-12. Ages 11-18.
This Moh's Hardness Scale collection is mounted on a 5 1/2" X 7 1/8" full color cardstock which holds 9 specimens in their order from the softest (#1 Talc) to the hardest (#10 Diamond not included). There are indicators on the card which instruct the students what will affect the surface of each of these specimens. This economy version of the Hardness Collection has specimens measuring 1/2" to 3/4" in size. The card is packaged in a resalable zip lock bag. Grade Level 6-12. Ages 11-18.
Aluminum die cast clamp for holding 2 pieces of apparatus in 3 positions: right angles, parallel or vertical. Holds rods to 1/2" in diameter.
Aluminum die cast clamp for holding 2 pieces of apparatus in 3 positions: right angles, parallel or vertical. Holds rods to 1/2" in diameter.
Standard Conical shaped flasks, in seven sizes, borosilicate (heat resistant) glass, marked with graduations for approximate volumes, used in the laboratory for mixing, storing and heating of liquids.
50 ml flask uses a size 1 stopper
150 ml flask uses a size 5 stopper
250 ml flask uses a size 6.5 stopper
500 ml flask uses a size 6.5 stopper
1000 ml flask uses a size 9 stopper
Stoppers not included.
• 100% Nylon micro mesh fabric
• Lightweight and breathable for comfortable wear
• Neck and arm holes offer full range of motion
• Available in Fluorescent Green or Orange
These hi-viz Mesh Vests easily separate students into teams for group activities, making them a great addition to any class. Featuring a 100% nylon micro mesh fabric, these vests are lightweight and breathable. These vests offer a full range of motion.
• 100% Nylon micro mesh fabric
• Lightweight and breathable for comfortable wear
• Neck and arm holes offer full range of motion
• Available in Fluorescent Green or Orange
These hi-viz Mesh Vests easily separate students into teams for group activities, making them a great addition to any class. Featuring a 100% nylon micro mesh fabric, these vests are lightweight and breathable. These vests offer a full range of motion.
Neutral glass. Uniform thickness. Available in 3 sizes.
Set of 2 lenses, 1 concave and 1 convex, 38 mm diameter, 150 mm focal length.
Set of 2 lenses, 1 concave and 1 convex, 38 mm diameter, 150 mm focal length.
A chart and pocket-sized viewer that shows the color spectra of common night lights, identifies each spectrum, and includes a diffraction grating through which you can see them. You can easily survey the night light spectra while riding around after dark, holding Night Spectra Quest up to your eye, with someone else driving. Booklet also includes further information and experiments.
A chart and pocket-sized viewer that shows the color spectra of common night lights, identifies each spectrum, and includes a diffraction grating through which you can see them. You can easily survey the night light spectra while riding around after dark, holding Night Spectra Quest up to your eye, with someone else driving. Booklet also includes further information and experiments.