From calcium to zinc, explore some of the many types of minerals that are used in common foods, vitamins, food processing and preserving. Six numbered specimens approximately 1.5" x 1.5" show the importance of our use of minerals for daily nutrition. Grades 5-12. Ages 10-18.
Contains 15 representative specimens of intrusive and extrusive igneous rocks, each approximately 1.5" x 1.5". Grades 5-12. Ages 10-18.
This 24" inflatable writable globe has a white background with outlined countries. The ball may be used over and over again with a wet erase marker (not included) to test your students geography skills.
The Earth Science Book Plus Series provides colorful teaching models and reproducible activity cards that teach children about earth science. The models are made of resilient, non-toxic, EVA foam, with removable pieces that stimulate problem-solving skills and develop small motor skills. The book covers contain background information, activities and extension ideas. Teachers can cut out the task card and use it in a learning center or as a group activity. The models are 10" x 14.5" x 3/4" thick.The Water Cycle model illustrates precipitation, evaporation, condensation and runoff. It shows that water is constantly reused and recycled and also illustrates how clouds are formed. Available in French. Grades K 6.
Potassium Iodide, lab grade, granular - 25g.
Cupric Sulfate reagent fine crystal - 125g
Sodium phosphate, monobasic, reagent, granular, crystal - 125g.
Potassium Bromide, lab grade, crystal - 125g.
Mineral oil light (paraffin oil), lab grade
Used as starch indicator, biological stain and chemical reagent. This iodine is laboratory grade and cannot be used for food or medical purposes. 500ml.
Aluminum Metal (20 gauge sheet) - 12" x 12" x .032"