The Cell: Passive Transport Diffusion (Video)
Explore what passive transport diffusion is and how it moves water through a membrane.
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 Smell
By Barbara Liang
In this animated object, learners trace the olfactory pathway from the nasal cavity to the olfactory cortex.
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.
The Juxtaglomerular Apparatus
By Becky Polk-Pohlman
In this animated and interactive object, learners examine the location, structure, and function of the juxtaglomerular (JG) apparatus.
By Dr. Miriam Douglass, Dr. Martin McClinton
Learners view several movie clips that demonstrate the use of an indicator to follow the neutralization reaction that occurs when an acid and a base are mixed. Students test their knowledge in a series of questions. Immediate feedback is given.
Helpful Microbes in Your Daily Life
By Elizabeth Yoon
Learners read how microbes in such items as yogurt, bread, insulin, and insect sprays improve our lives.
In this animated activity, learners examine the two major phases of cell division: mitosis and cytokinesis.
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.
Acids & Bases
By Jill Larson
Students read different definitions of "acids" and "bases." In an interactive exercise, they identify if a substance is an acid or a base.
Solubility of Ionic Compounds in Water
Learners view movie clips to determine the solubility of two ionic compounds. They also examine a solubility chart and predict the solubility of compounds.
Newton's Third Law of Motion - Video
By Kim Ristow
In this learning activity you'll examine Newton's Third Law: for every action, there is an equal but opposite reaction.
Regional Body Parts
By Gerald Heins
In this interactive object, learners identify a person's regional body parts.
The Upper and Lower Motor Neurons
In this animated object, learners examine the function and location of the motor neurons and the damage that can result when they are injured.
The Food Pyramid
By Michele Williams
In this learning activity you'll explore the food pyramid and the recommended services.
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
In this well-illustrated activity, learners examine the three types of intermolecular forces: dipole-dipole forces, London or Van der Waals forces, and the hydrogen bond. Two interactive questions are included.
Learning the Elements of the Periodic Table by Name or Symbol
By Mona Wenrich
Students practice identifying common elements from the periodic table by name or symbol.
Naming Binary Ionic Compounds Containing Variable Oxidation State Cations
Roman numerals are used to identify the charges on metal cations having multiple oxidation states. Five examples are provided for practice.
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.
Physiological Events at the Neural Synapse
In this learning activity you'll review information on the neural synapse.
The Stress Response
In this animated object, learners read a brief description of the roles of the hypothalamus, emotions, and adrenal secretions during the stress response.
The Four Types of Chemical Reactions
In this animated object, learners examine synthesis, decomposition, exchange, and reversible reactions.
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 Sense of Sight
In this animated and interactive object, learners read about the parts of the eye. A short quiz completes the activity.
In this learning activity you'll review the structure and function of the different tissues of the human body.