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Educational Calcite Sample
Rhombohedron-shaped
natural crystal used to demonstrate birefringence, double refraction. -- Placed on a typed sheet, it will show double image; use with polarizing discs to demo birefringence and stress patterns. Approximate size 1 1/2" to 1 3/4" square.
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Igneous Rocks Collection
Basic study set of 15 intrusive and extrusive igneous rocks formed as a result of volcanic activity or cooling of subsurface magma.
Samples are numbered to a keyed list and housed in a compartmented collection box. Size of each: 2.5 x 2.5cm.
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Know Your Rocks Collection
Students analyze texture, grain size, mineral composition and foliation to determine classification with this terrific rock collection. -- Contains 24 unnumbered
samples housed in a compartmentalized collection box, a magnifier, acid bottle and numbering kit. Rocks include: andesite, basalt, dolomit
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Amethyst Crystal Group
Edmund's Minerals -- Amethyst is a highly-prized form of the mineral quartz, and is often used as a semi-precious gemstone. -- These naturally-formed, deep purple crystal groups represent some of the highest quality
samples available for this mineral. With well defined and undamaged crystals and dee
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Getting the Dirt on pH Kit
Students will use a PASPORT pH sensor to measure the acidity or alkalinity of community soil
samples, employing real-world standard test procedures used by soil scientists and environmental researchers. This activity can be completed in 2 50-minute lab sessions. Grades 9 12. Includes materials for 3
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DNA Detectives Kit
Students will use restriction enzymes to digest the DNA of four suspects in a criminal investigation and then separate the DNA
samples using agarose electrophoresis. Once they have completed the DNA analysis, they will compare the banding patterns for each suspect s DNA to a
sample found at the crim
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Simulated ABO and Rh Blood Typing
Safely Study Blood Typing -- Using four different
samples of simulated blood, your child will determine each unknown
sample s blood type and Rh factor, examine the risk of Rh incompatibilities, and even view red and white ""blood cells"" under a microscope in complete safety. -- The Simulated Blood
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Common Rock Collection
An introductory rock set contains six
samples from each of the three major rock types. The numbered
samples include: granite, sandstone, limestone, shale, marble, and slate ina compartmented collection box with key list. Size of each: 2.5 x 2.5cm. -- Note: Collections are subject to change depending
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Live Algae Types Culture Sets
How do scientists decide upon the specific classification of various algae? -- With this set of live algae, students can study the physical differences among blue-green, yellow-green and two types of green algae. The
samples are shipped in four labeled jars. Includes culturing instructions.
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Find-A-Flourescent Mineral Kit
Students will observe the effects of UV light on numerous small chips from 7 different fluorescent minerals mixed in a
natural gravel. Using the distinctive fluorescent colors, as well as other characteristics, students will identify the
samples and explore the
science behind this unique property. -
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Genetics: Human Inheritance Lab
Students prove the Hardy-Weinberg theory of genetic equilibrium with this lab. -- Using safe, simulated blood, they determine the MN antigens of three unknown blood
samples, and pool the class results to study human inheritance; determine the frequency of M and N factors in their class; and test the
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Student Capillary Micropipets
Add
samples to gel with these disposable micropipets. -- Capillary action holds the liquid
sample in place, while the specially formed tip keeps the gel from being damaged. -- Pipets are calibrated as follows: 5 µL from 1 5 µL; 10 µL at 5 and 10 µL; 20 µL at 10 and 20 µL. -- Includes: two stainless
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Vortex Mixer
Designed for vigorous uniform mixing action for a wide variety of applications with minimal vibration. Ideal for flasks, beakers, tubes, and microplates. The variable speed control allows low RPM startup and gentle shaking of
samples. Speed range of 0 3,200 rpm. 120 VAC. Size: 12 x 17.3 x 12.2cm.
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