Made from plate glass about 1/16" thick. Highly Silvered back.
This 6in x 4in mirror is made from plate glass about 1/16in thick with a highly silvered back.
Student optical bench contains sufficient equipment for high school physics applications. Set includes: 1 meter stick, 1 screen support, 2 lens supports for 38mm and 75mm lenses/mirrors, 5 board screens measuring 10x12.5cm with a millimeter scale along one side, 1 marker and object, 2 metal supports for meter stick, 1 candle holder, 1 paraffin candle.
Heavy stock horseshoe magnet with keeper.
5 inch strong zink-plated steel horseshoemagnet with North and South poles marked. Supplied with keeper.
This kit includes
• (3) blank note cards with envelopes
• (2) preprinted stencil sheets
• (2) frames
• (12) 5-inch x 7-inch sheets of solar print paper
• Detailed instructions.
• Make cool designs using a chemical reaction that relies on the power of the sun.
• Solar prints are a fun and scientific art project to do with friends and family.
• Fun to make and easy to use, solar prints make for a great craft at home or school.
• Made using safe and high quality materials, this product is designed to last.
• Recommended for ages 5 and up.
This big kit includes everything needed to make fun and educational solar prints. Place interesting objects on top of a sheet of light-sensitive solar print paper and expose it to the sun. A quick rinse in water makes the image permanent! Safe and easy to use. A fun science or art project. Each kit includes 12 pieces of 5in x 7in solar paper sheets, two print frame holders, three blank note cards with envelopes, for sending your prints to friends and family, and full instructions.
• Transform a recycled soda can into a solar-powered rover
• This kit includes all the parts necessary to build one solar-powered car.
• Detailed assembly instructions included
• Perfect for a young scientist with an interest in mechanics and alternate energy
• Recommended for ages 8 years and up
Build this cool rover using the kit parts provided and an old soda can. Learn how sunlight is converted to energy. Detailed instructions included.
• Multi-purpose tool made from polypropylene
• Can be used as a stirrer or spatula.
• Measures 9.5" long with a diameter of 1/4".
• Great for adding small amounts of ingredients and mixing
• An are excellent replacement for metallic scoops
• Come in packs of 12
Multi-purpose tool made from polypropylene can be used as a stirrer or spatula. Measures 9.5" long with a diameter of 1/4".
These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Also available in one-hole and solid versions. Each stopper has its size marked in raised figures. Sold as one-pound bags.
These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Also available in one-hole and two-hole versions. Each stopper has its size marked in raised figures. Sold as one-pound bags.
Kimax® flasks for economy and versatility. These flasks are the choice for general laboratory usage. Tops are reinforced and tooled with a rounded finish, containing more glass to give them maximum mechanical strength. Body is thick-walled, with a long tapered outside contour to minimize chipping when struck or rubbed together. All flasks have durable white ceramic enamel scales to indicate approximate volumes at various levels, useful in measuring and mixing solutions where a high degree of accuracy is not necessary. Designed from ASTM Specification E1404, Type I, Class I requirements. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.
Features
- Complies with ASTM Specification E1404, Type I, Class I requirements
- Manufactured from borosilicate glass 3.3
- Tops are reinforced and tooled with a rounded finish
- Durable ceramic enamel markings indicate approximate volumes at various levels
500 ml flask uses a size 7 stopper
Stoppers not included.
Great for creating terrariums, small aquariums, or as a "critter" cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs that prevent scratching and temperature transfer, rounded corners for easy clean up, and no-drip cover. Exclusive design forces condensation to remain in the tank.
Instant planter, just add water then seed or stick in cuttings as desired. Peat with proper starting nutrients are compressed into small wafer, when water is added, it expands 7 times its size into small post 1 3/4" x 2 1/8" high and covered with plastic net. Plant roots grow right through pellet permitting replanting without removing pot. Pack of 24.
Instant planter, just add water then seed or stick in cuttings as desired. Peat with proper starting nutrients are compressed into small wafer, when water is added, it expands 7 times its size into small post 1 3/4" x 2 1/8" high and covered with plastic net. Plant roots grow right through pellet permitting replanting without removing pot.
Instant planter, just add water then seed or stick in cuttings as desired. Peat with proper starting nutrients are compressed into small wafer, when water is added, it expands 7 times its size into small post 1 3/4" x 2 1/8" high and covered with plastic net. Plant roots grow right through pellet permitting replanting without removing pot. Pack of 100.
An ideal growing medium for annual and perennial flowers, vegetables and house plants. Composed of equal parts of shredded sphagnum peat moss and fine grade vermiculite plus just enough nutrients to sustain initial plant growth. Mixture will produce acceptable plants but for long term growing a balanced water soluble fertilizer is applied weekly. 4-Quart bag fills 35-3" pots.
Made from semi-rigid polyethylene. All have stacking lugs.
Made from semi-rigid polyethylene. All have stacking lugs.
Our stethoscopes have adjustable, chrome plated binaurals, and PVC Y-tubing. Good quality, and economical.
24" x 36" full color laminated poster. This poster describes all ten divisions of the plant kingdom. Many representational species are shown including the four divisions of extinct plants. This poster is an ideal partner to our Animal Kingdom Poster (16339). Both posters are great for life science classes, but the non-technical presentation makes them popular with both animal and plant lovers alike.
Clear flint glass square shape 300ml bottles with glass pipette dropper rubber bulb stopper. Set of 5 bottles. Comes complete with teak wood nicely polished tray. As the tray is made from Teak Wood it is resistant to liquid spillage.
• Handy molded polypropylene pitcher
• Clear, autoclavable and has good chemical resistance
• Has a handle for easy and convenient lifting
• Feature raised graduations
• 3000ml
These handy molded polypropylene pitchers, are clear, autoclavable and have good chemical resistance. They have a handle for easy and convenient lifting. Feature raised graduations.
Maximum Use Temperature = 135°C
These high density polyethylene powder funnels feature wide short 20mm stems.
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Material: Top Outside: Stem Length: Capacity: |
HDPE 65mm 20mm 35ml |
Polypropylene 85mm 30mm 100ml |
Polypropylene 125mm 40mm 300ml |
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.
These 25ml to 1000ml beakers are molded in polypropylene, have excellent clarity and very good chemical resistance. These autoclavable beakers have prominently raised graduations on the outer surface. Pouring a solution is easy because of its tapered spout.
Maximum Use Temperature = 135°C
Crystal clear PMP Plastic, autoclavable beakers feature excellent chemical resistance. Permanent graduations are molded in. Manufactured per ISO standard 7056-1981 (E), beakers have stated tolerance of +/- 10%. Available in 6 sizes.
Maximum Use Temperature = 175°C