by Robert Formanek
by Barbara Liang
by Patrick Hoppe
Construction of the Cell Membrane
By Becky Polk-Pohlman, Barbara Liang
In this learning activity you'll study the structure of the cell membrane and construct it using the correct molecules.
Reading a Triple Beam Balance
By Jill Crowder
Students identify the parts of a triple beam balance and practice measuring the mass of objects.
By Barbara Liang
In this learning activity you'll review how every protein molecule of an organism is synthesized by that organism in a prescribed process. This activity helps students understand the fundamental life process of making protein.
Newton's Second Law of Motion - Video
By Kim Ristow
In this learning activity you'll examine force, mass, and acceleration to understand this "Law of Acceleration."
In this animated activity, learners examine the two major phases of cell division: mitosis and cytokinesis.
Construction of the Cell Membrane (Video)
By Becky Polk-Pohlman
In this video you'll study the structure of the cell membrane and construct it using the correct molecules.
A Typical Animal Cell
By Gerald Heins
In this interactive object, learners identify the parts of an animal cell and its organelles.
Heat Transfer: Flash Version
By Deb Simonson
In this animated activity, learners explore three major methods of heat transfer and practice identifying each. This is the animated version with no audio.
Measuring Volume Using a Graduated Cylinder
Learners view an explanation of how to read a graduated cylinder by measuring the lowest portion of the meniscus. A quiz completes the activity.
The Anatomy of the Heart
By Wendy Dusek
In this animated and interactive object, learners identify the valves and chambers of the heart.
Anatomical Terminology: Relative Position
In this interactive learning activity, learners review the terms used to describe relative position of body parts in order to have a common set of words to describe their position.
How to Read a Caliper
By Barbara Anderegg
In this interactive object, learners review how to read a caliper. They then test their skills with eight practice questions.