In this animated object, learners examine how changes in pH affect the salt bonds in strands of hair.

In this overview, students examine and identify mannitol positive and mannitol negative bacteria on mannitol salt agar.

Students read about the process of hair growth beginning with the joining together of amino acids.

Learners view movie clips to determine the solubility of two ionic compounds. They also examine a solubility chart and predict the solubility of compounds.

In this animated object, learners examine the chemistry behind table salt.