Skin and the Integumentary System
By Barbara Liang
Learners examine the structure and function of skin including the production of melanin.
Slope and Intercept on Graphing Calculators
By Ron Keys
The learner reads directions for finding the slope, intercept, and correlation coefficient for a group of ordered pairs using one of eight different scientific calculators.
Science Lab Equipment - Pt 1 (Screencast)
By Bruce Bell
In this screencast we are introduced to the lab equipment used to contain and dispense chemicals.
Thermodynamic Transfer
By Terry Bartelt
In this animated object, learners examine how thermal energy is transferred by conduction, convection, and radiation. A brief quiz completes the activity.
The Sense of Sight (Screencast)
In this screencast, learners read about the parts of the eye.
Biomolecules: The Carbohydrates (Video)
By Becky Polk-Pohlman
Viewers watch an introduction to monosaccharides, disaccharides, and polysaccharides. The processes for dehydration synthesis and hydrolysis.
Anatomical Terminology: Relative Position Video
Students identify the various regions of the human body through video.
What Is Electricity?
The learner studies how electrons travel from one atom to the next. Examples demonstrate how voltage is created by the use of a battery or through magnetism. A quiz completes the activity.
Movement Terminology
In this animated object, the learner examines 17 types of joint movement.
Respiratory System Gas Exchange
By Bruce Forciea
In this animated object, learners examine the mechanisms for gas exchange among the lungs, blood, and tissues.
The Brain - Anatomy and Function
By Susan Heitman
Learners review and reinforce their knowledge of brain anatomy and function in this learning activity.
Phase Transitions
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Learners examine how melting, vaporization, and sublimation require energy input while freezing and condensation release energy.
The Appendicular Skeleton (Screencast)
In this screencast, learners examine the bones of the appendicular skeleton.
Construction of the Cell Membrane (Video)
In this video you'll study the structure of the cell membrane and construct it using the correct molecules.
The Cell: Passive Transport Osmosis (Video)
By Wisc-Online
Explore what passive transport osmosis is and how it moves water through a semipermeable membrane.
Precipitation Reactions
By Dr. Miriam Douglass, Dr. Martin McClinton
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.
Covalent Bonds
By Jill Larson
In this animated object, students examine what happens when electrons share molecules.
Chytridiomycetes
Chytrids, as members of this group are known, are found everywhere. In this animated learning object, students examine the role of chytrids and their impact on the environment.
The Four Types of Chemical Reactions
In this animated object, learners examine synthesis, decomposition, exchange, and reversible reactions.
The Organization of the Human Body: Body Cavities
In this interactive object, learners examine the locations of major body cavities and their protective membranes. A drag-and-drop exercise completes the activity.
Vapor Pressure
Vapor pressure is the pressure exerted by molecules in the gas phase in equilibrium with a liquid or a solid. Two examples are used to illustrate vapor pressure: the drying of clothes and the evaporation of ice.
Changes in Our World: Chemical and Physical (Screencast)
By Deb Simonson
In this screencast, learners examine the kinds of physical and chemical changes that occur in substances.
Introduction to Class 3 Levers
By James Bourassa, John Rosz
In this interactive object, students view an animated depiction of Class 3 levers. A matching quiz completes the activity.
The Autonomic Nervous System - Sympathetic Division
Learners examine the function and wiring of the sympathetic nervous system.
Acids & Bases
Students read different definitions of "acids" and "bases." In an interactive exercise, they identify if a substance is an acid or a base.