In this animated and interactive object, the learner designs a treatment plan that includes precautions and adaptive equipment.

Practice how to make research decisions using the 3 Rs.

In this interactive object, learners identify charges on ions, write new formulas based on charge, and balance equations using coefficients.

Learners examine the factors that contribute to hip fractures including osteoarthritis, osteoporosis, and osteomalacia.

Learners examine and identify the parts of the hip joint.

In this interactive and animated object, learners use solubility rules to predict when an insoluble ionic compound will precipitate in a double replacement reaction. Step-by-step examples are given.