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
Transcription of DNA to RNA: Making mRNA
Transcription means a written copy but how can DNA write a message? The video explains transcription and translation as they relate to DNA and RNA. Then in the interactive, scholars practice base pairing and answer analysis...
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
Natural Selection: Peppered Moths
Can human activity influence the colors of moths? The simulation explains how pollution changed the color of tree bark, which led to the survival of a different variation of moths. It also discusses the shift back as air quality improves.
CK-12 Foundation
Limiting Factors to Population Growth: Graphing Population Growth
If any of the limiting factors in an environment change, both animal and plant populations also change. The video explains two different models of growth and the impact of limiting factors. It highlights the carrying capacity of an...
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
Modeling: Mathematical, Physical and Conceptual
Scientific models help explain ideas and concepts to non-experts. The online activity covers conceptual, mathematical, and physical models. Through four multiple-choice questions and three discussion questions, scholars gain a deeper...
Intel
Cell-to-Cell
The third in a series of 10 STEM project-based lessons focuses on cells types, functions, and physiology. Through research, discussions, writings, and presentations, groups learn about the difference between plant and animal cells, the...
Intel
Lights, Camera, Reaction!
Excite classes with a STEM project-based learning lesson covering chemical reactions. Groups study the different types through simulations and hands-on activities. They pick one type (synthesis, decomposition, single displacement, double...
Journey Through the Universe
A Scale Model Solar System
Between the time scientists discovered Pluto and reclassified it as a dwarf planet, it did not even make one full revolution around the sun. In two activities, scholars investigate scale models and their properties. Pupils find that it...
Curated OER
Introduction to Flight: A Math, Science and Technology Integrated Project
Seventh graders review graphing procedures and practice locating points using x,y coordinates. Students calculate the areas of the top and bottom surfaces of the airfoil. They construct a test model of the airfoil.
Discovery Education
Physical Oceanography and Meteorology, Navy Search and Rescue Operation
It's an ocean rescue mission! Groups must find a pilot downed off the coast of the Chesapeake Bay. Rescuers must determine the distance needed to travel as well as the heading to get to the pilot's last known position. Taking...
Royal Society of Chemistry
Organic Molecules Day—Chemistry Outreach
In search of an organic lab that employs real-life techniques and analysis methods? Groups carry out the nitration of methyl benzoate, then attempt to determine the number and location of the nitro groups added to the benzene ring....
Physics Classroom
Waves - Case Studies
What can your class tell about a wave just by looking at it? Using a simulation, physics pupils work through a series of case studies to determine the effects of speed, frequency, and density on waves. Part of a larger playlist on waves...
California Academy of Science
Nuclear Energy: What's Your Reaction?
OSHA confirms that rules governing worker safety at nuclear power plants ranks higher than worker safety in offices. Scholars must consider safety, cost, alternatives, and other factors before recommending whether a town should build a...
American Museum of Natural History
They Glow!
Would you believe marine animals can make their own light? An online resource describes the process of bioluminescence and how animals in the ocean use it to survive. The lesson features a catchy tune that describes the behavior of ocean...
University of Southern California
What Lives In The Ocean?
One of the most diverse environments on Earth is the ocean. Young scientists explore the living things found in the ocean during an exciting seven-lesson unit. Their study includes organisms from plankton to invertebrates...
Carolina Biological Supply
Chemistry Formula Practice
Practice naming chemical compounds or stating the formula when given the name. Discover how well you have mastered these skills either by time or percentage correct.
National Institute of Open Schooling
Occurrence and Extraction of Metals
Steel is a man-made alloy or a mixture of metals. Lesson 18 in this series of 36 focuses on metals and their extraction from Earth. Individuals read about, discuss, and answer questions after learning how people find most metals, the...
Physics Classroom
Wavelength
Physics class sure can have its ups and downs! The first in a series of seven interactives from the Waves and Sound series introduces young learners to the concept of wavelength. Scholars work through the interactive to discover the...
Physics Classroom
Match That Free-Body Diagram
Pupils read a description of a physical situation and select the free-body diagram that best matches. As part of a series on applying Newton's Laws of Motion, scholars reinforce their skills applying forces and considering their relative...
Curated OER
Investigating Evolutionary Questions: Bats, Whales, Reptiles, Birds, Animal Classification
Students are guided through a process in which three questions are addressed by retrieving beta hemoglobin sequences from online databases, and using online tools to compare those sequences in student-selected animals.
Curated OER
Design Your Own Rube Goldberg Machine
Students participate in a culminating activity for a unit on Energy and Simple Machines. They are challenged to incorporate simple machines in to a complex mechanical system. While designing and testing their machine they will also...
Curated OER
Using GLOBE Data to Study the Earth System (College Level)
Students use the GLOBE Website to locate and study environmental data. They use the GLOBE Graphing Tool to display data. Students describe the role of solar energy in the annual fluctuations of soil moisture. They describe reservoirs and...