CK-12 Foundation
Angles: The Angle of Discovery
Practice important angle vocabulary using an interactive lesson. As learners manipulate vertical angles, they watch the supplementary and congruent angles adjust. Questions pertaining to vocabulary and measurements follow their exploration.
American Battle Monuments Commission
The Battle of the Atlantic
World War II is known for its land and air battles in Europe, but the waters of the Atlantic saw its share of skirmishes from 1939 to 1945. Learn more about the roles of the Allied powers in establishing ocean territory during World War...
CK-12 Foundation
Blood Types
Does your blood type matter? The video explains the four main blood types and the importance of knowing blood types when performing transfusions. The interactive reviews the information with a quick graphic organizer and questions.
CK-12 Foundation
Seasonal Changes in Plants: Leaf Pigment
Leaves fall off the tree in the autumn, but why do they change colors? The interactive covers the role of chlorophyll and photosynthesis. It also explains both carotenoids and anthocyanins.
CK-12 Foundation
Types of Archaea
One of the few organisms that are classified by the environment in which they live include archaea. The video describes the phylogeny of the group and their major characteristics. It details how they reproduce and discusses the diversity...
CK-12 Foundation
Natural Selection: Of Seasons and Species
Do predators look for different things in different seasons? The quick interactive shows how some species survive longer in one season than another based on the conditions. The challenge questions encourage pupils to demonstrate that...
CK-12 Foundation
Natural Selection: Natural Disasters
Can natural disasters alter natural selection? The interactive explores this concept with mice living through a forest fire. As the environment changes, the camouflage also changes. How does this one disaster impact future generations?
CK-12 Foundation
Sex-Linked Inheritance
Sex-linked traits indicate a gene's location on a specific chromosome. Scholars learn about sex-linked traits and the specifics behind color blindness in the videos. Then they complete the online interactive to apply their knowledge...
CK-12 Foundation
Modern Genetics
Genetic counselors advise their clients on the chance of passing specific diseases on to their children. Pupils learn about genotypes, phenotypes, and genetics in the lesson. Matching activities, multiple-choice questions, and a...
CK-12 Foundation
Passive Transport
Some molecules move through a membrane with diffusion while others require protein channels. The video and interactive discuss both types of passive transport. Challenge questions allow scholars to demonstrate their understanding.
CK-12 Foundation
Microscopes: Focal Point
The 1590s saw the invention of the first compound microscope. Scholars learn about how microscopes work and how to properly focus one. The lesson stresses the science fields that use microscopes and the difference between electron...
CK-12 Foundation
Fields in the Life Sciences
Many fields of study require a specialty and a sub-specialty as you progress through your education. Scholars learn about six sub-specialties of life science. From botany to zoology, our knowledge of the world of living organisms expands...
CK-12 Foundation
Symbiosis: Mutualism, Commensalism, and Parasitism
Hyenas normally hunt alone, however scientists discovered that in Israel, hyenas hunt with wolf packs. When relationships develop between different species, we call it symbiosis. The videos teach about the three types of symbiosis and an...
CK-12 Foundation
Cellular Respiration: Can Photosynthesis Be Reversed?
Cellular respiration and photosynthesis relate closely, but many don't realize how. Scholars drag and drop the reactants and products to the chemical reactions for both processes. Then they answer three multiple-choice questions.
CK-12 Foundation
Geometric Probability: Dartboard
Get your class on target with probability using an exciting resource. The interactive presents three square dartboards with different target areas, which are combinations of square units. Pupils determine the probabilities of randomly...
American Battle Monuments Commission
The Battle of Pointe Du Hoc
From June 6 to June 8, 1944, the United States Army Ranger Assault Group scaled cliffs that were previously thought to be insurmountable. Learn more about a pivotal moment that led to one of the most significant battles in World War II.
American Battle Monuments Commission
Liberating Rome: The Anzio and Rome-Arno Campaigns
Follow the liberation of Rome in both time and space with an interactive timeline and map. As class members click on various icons on the map, they can track different countries and their troops during the Anzio and Rome-Arno Campaigns...
NASA
Resolving 2-Plane Traffic Conflicts by Changing Speed—Problem Set E
What do you do to change arrival times of airplanes when a different route is not available? The fifth interactive in a series of six presents problems where pupils must find solutions to conflicts of safety rules. They must decide how...
CK-12 Foundation
Electric Fields Simulation
Can you get the puck into the goal using only electric charges on the ice? Scholars experiment with electrostatic forces as they determine which charges pull the puck and which repel it. Multiple levels reinforce different related...
CK-12 Foundation
Electric Ice Sheet
Tommy is trapped on an ice bridge and needs you to balance the charges so he doesn't fall into the icy water! Scholars apply Coulomb's Law, which relates to both the strength and the distance between charges. They work with these two...
CK-12 Foundation
Energy Conservation Simulation
Does the amount of a roller coaster's energy change as it goes along the track? Scholars investigate when a roller coaster has potential and kinetic energy. They observe the changes as it goes up the initial hill follows it throughout...
CK-12 Foundation
Third Law Simulation
Keep calm and use the force! Joey pulls a cart and scholars adjust the force required to control the movement. Through simulating different scenarios, participants learn about Newton's Third Law. It includes analysis questions throughout...
NASA
Resolving 3-Plane Traffic Conflicts by Changing Route—Problem Set C
Keep the planes from crashing. Pupils work with three airplanes and change their flight paths to keep them at a safe distance from each other. Individuals work through three problems in the third interactive in a set of six with...
NASA
Resolving 2-Plane Traffic Conflicts by Changing Route—Problem Set B
Do pilots create appropriate spacing between aircraft by traveling a longer or shorter path? An interactive presents two airplanes that violate safety protocols. Pupils must determine how to change the path of one plane to create the...