Accuracy: ±0.05pH Resolution: 0.01pH The pHep 5 includes features such as a dual-level LCD, battery level indicator, replaceable pH electrode cartridge, instability indicator, automatic shut-off and automatic calibration all in a floating, waterproof casing. Supplied with protective cap, electrode removal tool, batteries and instructions.
Accuracy: ±0.05pH Resolution: 0.01pH The pHep 5 includes features such as a dual-level LCD, battery level indicator, replaceable pH electrode cartridge, instability indicator, automatic shut-off and automatic calibration all in a floating, waterproof casing. Supplied with protective cap, electrode removal tool, batteries and instructions.
Observe the color and state of matter for 14 different substances. Test liquids for the presence of odor and observe the texture of solids. Test the acidity or alkalinity of liquids. Test the solubility of solids in alcohol and water. All materials included except: water, stirring rod, graduated cylinder, balance, hand lens (optional), safety glasses, test tubes or depression plate for solubility test. Designed for 24 students in groups of 4. Grades 8-11.
Easy one hand operation. Rotation of the thumbwheel draws or dispenses the liquid with precision and ease. By depressing the side lever the entire contents can be dispensed rapidly. Accepts glass and plastic pipettes. Color coded for sizes.
3" glass "medicine dropper" with rubber bulb.
Made from plate glass about 1/16" thick. Highly Silvered back.
This 3in x 1in mirror is made from plate glass about 1/16in thick with a highly silvered back.
Made from plate glass about 1/16" thick. Highly Silvered back.
This 4in x 2in mirror is made from plate glass about 1/16in thick with a highly silvered back.
Made from plate glass about 1/16" thick. Highly Silvered back.
This 4in x 4in mirror is made from plate glass about 1/16in thick with a highly silvered back.
Made from plate glass about 1/16" thick. Highly Silvered back.
This 6in x 2in mirror is made from plate glass about 1/16in thick with a highly silvered back.
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.
Simple for elementary level students yet comprehensive enough for middle school, this colorful teaching model was designed specifically for hands-on use with students of all ages. The model is made of resilient, non-toxic, EVA foam to withstand years of active investigation. A thorough, detailed Teacher's guide includes 5 inquiry-based lab activities, reproducible worksheets, complete background information, cross-curricular extension activities, assessment ideas and more. Topics covered include cell structure and function, osmosis, photosynthesis, pigments and more.
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.
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.
Centralize your garden. Sturdy construction, complete with trays. 40" H x 25" L x 12" D NOTE: Does not included light (as pictured). Please order light separately (item # 01368).
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.
Red and blue plastic covered bar magnets. These magnets are attractive as well as an easy way to teach magnetic attraction and repulsion. Each magnets dimensions are 80x15x10mm. 1 pair (2 red / 2 blue).
Chain accessories for our plastic chain. These master links have a UV protectant added to keep the colors bright and maintain the integrity of the plastic for five years of use. Set of 2. Available in 3 colors.
Outside Diameter: 72mm, Height: 375mm, Graduated Interval: 10ml Measuring Cylinders with a hexagonal base. The hexagonal base provides excellent stability to the cylinder, and the tapered spout works really well while pouring any reagents.
Outside Diameter: 72mm, Height: 375mm, Graduated Interval: 10ml Measuring Cylinders with a hexagonal base. The hexagonal base provides excellent stability to the cylinder, and the tapered spout works really well while pouring any reagents.
Outside Diameter: 72mm, Height: 375mm, Graduated Interval: 10ml Our Measuring Cylinders are molded as one-piece in polypropylene. These autoclavable cylinders have raised prominent graduations for easy reading and have excellent contact clarity. The broad round base provides good stability.
Outside Diameter: 72mm, Height: 375mm, Graduated Interval: 10ml Our Measuring Cylinders are molded as one-piece in polypropylene. These autoclavable cylinders have raised prominent graduations for easy reading and have excellent contact clarity. The broad round base provides good stability.
Outside Diameter: 34mm, Height: 210mm, Graduated Interval: 1ml Measuring Cylinders with a hexagonal base. The hexagonal base provides excellent stability to the cylinder, and the tapered spout works really well while pouring any reagents.
Outside Diameter: 34mm, Height: 210mm, Graduated Interval: 1ml Measuring Cylinders with a hexagonal base. The hexagonal base provides excellent stability to the cylinder, and the tapered spout works really well while pouring any reagents.
Outside Diameter: 34mm, Height: 210mm, Graduated Interval: 1ml Our Measuring Cylinders are molded as one-piece in polypropylene. These autoclavable cylinders have raised prominent graduations for easy reading and have excellent contact clarity. The broad round base provides good stability.
Outside Diameter: 34mm, Height: 210mm, Graduated Interval: 1ml Our Measuring Cylinders are molded as one-piece in polypropylene. These autoclavable cylinders have raised prominent graduations for easy reading and have excellent contact clarity. The broad round base provides good stability.
Outside Diameter: 15mm, Height: 110mm, Graduated Interval: 0.2ml Measuring Cylinders with a hexagonal base. The hexagonal base provides excellent stability to the cylinder, and the tapered spout works really well while pouring any reagents.
Outside Diameter: 15mm, Height: 110mm, Graduated Interval: 0.2ml Measuring Cylinders with a hexagonal base. The hexagonal base provides excellent stability to the cylinder, and the tapered spout works really well while pouring any reagents.
Outside Diameter: 90mm, Height: 473mm, Graduated Interval: 20ml Our Measuring Cylinders are molded as one-piece in polypropylene. These autoclavable cylinders have raised prominent graduations for easy reading and have excellent contact clarity. The broad round base provides good stability.
Outside Diameter: 90mm, Height: 473mm, Graduated Interval: 20ml Our Measuring Cylinders are molded as one-piece in polypropylene. These autoclavable cylinders have raised prominent graduations for easy reading and have excellent contact clarity. The broad round base provides good stability.