Teach students about energy and motion with this popular kit, which lets students build their own model roller coasters anywhere in your classroom –al...
These sieves stack together to accommodate any type of sample. Made of polished and lacquered brass that never rusts, the 8" diameter sieves conform t...
When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the compositi...
When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the compositi...