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

In this screencast, learners examine the properties of the peptide bond and how the bond relates to the structure of hair.

In this screencast, we'll view the 10 major bones of the skull and read a description of each bone.

In this animated object, learners examine how the sensory, motor, mixed, and reflex nerves work in the human body.

Learners read the definitions of working capital, current ratio, quick ratio, return on equity, accounts receivable turnover, and inventory turnover.

In this teaching and learning aid, the user can alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

Use the clues provided to complete the crossword puzzle with the appropriate words.

Answer the question for this chemistry game.

Play tic tac toe and learn about sampling

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