In this animated object, learners trace the olfactory pathway from the nasal cavity to the olfactory cortex.
The Sense of Sight (Screencast)
By Barbara Liang
In this screencast, learners read about the parts of the eye.
By Elizabeth Yoon
In this learning activity you'll investigate the interaction of antimicrobial therapies and host defenses in eliminating an infection.
Biomolecules - The Proteins
In this animated object, learners read an introduction to protein structure and function.
Spelling of Viral Names
By Marise Hussey
Learners listen to the pronunciation of viral names and then type the terms. They may choose the number of names that they wish to spell (up to 16). Immediate feedback is given, and a final score is provided at the end of the activity.
By Michele Williams
In this learning activity you'll review abstract nouns referring to qualities, ideas, and emotions.
Special Nouns Practice
In this learning activity you'll identify nouns referring to qualities, ideas, and emotions.
How to Convert from One Unit to Another in the Metric System
By Nabila Dahche
In this learning activity you'll practice converting from one metric unit to another.
The Edison Wire System
By Terry Bartelt
Learners read a description of the wiring configuration of a residential Edison Wire System, which consists of a transformer secondary circuit. The circuit supplies two 115-volt sources and one 230-volt source.
The Neutral Current of an Edison Wire System
Learners take a close look at the Edison Wire System and observe how the current values through the two lines and the neutral of the system change as the loads vary.
Chakalaka: Digestion Questions
a game to test your knowledge on the human digestive system
The Planets: Uranus
Uranus [yoor-uh-nuh s] is the seventh planet from the Sun. It’s barely visible to the naked eye, and is the first planet discovered with the use of a telescope.
Medical Terminology for Muscular System
Use the definition to guess the word or prefix and save the moon!
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Give your new group a name.