These 1/4 inch thick black streak plates are ideal for testing the hardness or softness of minerals, as well as determining the color of lighter-colored minerals. By scratching the mineral in question against the plates, students or teachers can determine these properties by observing the quantity and hue of the residue left behind. Excellent for use in the classroom, or at home for aspiring geologists.
Working model representing the sun, earth, and moon and their relationships.
This project book and sample kit introduces you to shape-memory alloy technology!
This black scorpion specimen is great for the classroom setting!
The cards show the name of the element, the atomic number, group, natural state and common usages!
Great reference card for chemistry and physics students.
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.