"serv Dial Sud & sars"

RUBBER BAND #82 2-1/2X1/2 1OZ APPROX 14

Soil

Bubble Wrap, VERITIV OPERATING COMPANY

Four gears of different sizes, perfect for any investigation or maker project.

Operates 1/2 to 3 volts, 100ma start-up / runs at 15ma no load.  Strong torque - 300 RPM @ 1/2 volt. Great for gear drives.  2mm shaft dia. Size 1 1/4" dia x 1 1/4" long. 

Keep small specimens or other items organized and visible in these clear polystyrene boxes with hinged lids.

At 12 m long and weighing 7250 kilograms, the T. rex was the largest meat-eating animal that ever lived.

Lessons in Optics and Light in the Palm of Your Hand Colorfully illustrate additive and subtractive color mixing, color transmission, absorption and filtering of the different wavelengths of light with this set of primary and secondary color mixing paddles. You can also use the diffraction gratings in this set to view spectra from different light sources. Show students how a spectroscope, colored lights, and even polarized sunglasses work with the contents of this set.

Proper aeration is a must.

Ideal for individual student use.

Corks

The Sunprint Kit includes sun sensitive paper to help you make photographic prints using the power of the sun.

CAS Number: 85-86-9
Formula: C22H16N4O
Density: 0.34 g/mL
Freezing Point: 100 °C
Solubility: Alcohol
Synonyms: Solvent Red 23 C.I. No. 26100
Shelf Life: 36 Months

CAS Number: 7664-93-9
Formula: H2SO4
Density: 1.84 g/mL
Boiling and Freezing Point: 275-325°C, 11°C
Solubility: Water
Synonyms: Hydrogen Sulfate, Battery Acid
Shelf Life: 12 Months

Resists Corrosion from Chemical Spills.

Disposable hand warmers - ideal for outdoor workers and those who engage in cold weather sporting activities.