In this animated activity, students read about the stages of microbial dental plaque formation and the time it takes for each stage to occur.

In this interactive exercise, learners review definitions of 26 terms and then test their knowledge in a matching exercise. Only six terms are included in the quiz; however, if the learner clicks “Restart,” more terms appear in random order.

In this interactive object, learners review respiratory system terminology and then match the terms with their definitions.

In this animated object, learners examine the eight cranial bones, the fourteen facial bones, and the ribs.

Learners follow steps to add fractions with different denominators. They also review fraction concepts, do a drag-and-drop exercise involving fraction terms, and add fractions with common denominators.

Students view a graphical explanation of how the motor condition (unloaded, 50 percent loaded, fully loaded) affects the phase between voltage and current, the current draw from the AC supply, the amount of power consumed, and the power factor.

In this interactive object, learners examine the neuron pathway into and out of the spinal cord. They complete the activity by testing their knowledge of vocabulary and the location of spinal cord structures.

In this animated object, learners trace the olfactory pathway from the nasal cavity to the olfactory cortex.

In this animated and interactive object, learners read about the parts of the eye. A short quiz completes the activity.

Identify these 25 neurological terms in a marathon game of Hangmoon!

Do you know your sensory systems?

educating people about the sense of smell