ARKive
Biodiversity and Evolution
Why is diversity in biology so important for an ecosystem? Explore biodiversity, evolution, and natural selection with a presentation for your biology class. It features clear information, activities for further understanding, and...
Curated OER
Observation and Inference
Assess your young scientists' understanding of the difference between observation and inference with this 20-question multiple choice quiz. It reviews a variety of physics and astronomy concepts, such as solar eclipses and sunspots, the...
Rainforest Alliance
My Forest or the Rainforest?
The differences between tropical and temperate rainforests range from animals and flowers to climate and landscapes. Kindergarteners compare and contrast characteristics of their local forest to a tropical rainforest.
It's About Time
Conservation of Momentum
Assist your class with understanding collisions as they apply the Law of Conservation of Momentum. Pupils measure the momentum before and after manipulation of two objects so that one strikes another in an inelastic collision. The lesson...
Michigan State University
Friend or Foe?
What one person thinks is a pest may not be a pest to someone else. Here, scholars examine the characteristics of living things and pests through grand conversation and a variety of activities. Class members play a game of pest or not a...
Science Geek
Phase Changes
Examine the energy transfer of phase changes through diagrams. The second slide show in a series of seven presents the information related to energy and phase changes. It includes the effect of pressure on phase changes.
American Chemical Society
Exploring Energy
When asked to list everyday objects that require energy, most people list technology that use batteries or electricity. Through hands-on exploration, young scientists discover energy is much more than just circuitry. They play with...
Cornell University
Building Spectroscope
Given specific materials, scholars follow a set of instructions to build and calibrate their very own spectroscopes. After construction, they test the scope for accuracy and make modifications where necessary.
University of Southern California
How do Organisms Interact?
Examine how organisms interact through a hands-on experience. Learners study population dynamics and distribution during an informative five-lesson unit. The focus is on the ocean environment and the organisms within it.
Polar Trec
Do Microorganisms Live in Antarctica?
Can microorganisms live in the dry, cold climate of Antarctica? Young scientists view a research project measuring microorganisms in the Taylor Glacier. They record the findings from dirty ice, clean ice, boots, sediment, and more. Then...
Royal Society of Chemistry
A Microscale Acid-Base Titration
Watch as acids and bases put smiles on their faces. Young chemists learn the concept of acid-base titration firsthand in a microscale experiment. Working groups collaborate, titrate, then use their data to determine the concentration of...
Colorado State University
What Is Beyond the Rainbow?
Help your classes see what they cannot see. Using different eyewear, scholars experience different light spectrums. Learners may be surprised by how the world looks with infrared light, thermal imaging, and ultraviolet light.
Colorado State University
Would You Get a Sunburn on Mars?
What are the best materials for preventing sunburn? Young scholars consider this question as they test materials for the presence of ultraviolet light. They use a string of beads that changes color with different intensities of UV light.
Colorado State University
What Does Color Have to Do with Cooling?
Study the rate of cooling for objects of different colors. Learners focus on the reflection and absorption of infrared light. Your classes may be surprised to learn objects that heat the slowest also cool the slowest.
Colorado State University
Why Do Clouds Form in the Afternoon?
The stability of the atmosphere changes on a daily basis. A kinesthetic lesson models how the stability of the air changes as it's warmed by the sun. Learners connect their models to the changing air currents and movement of warm and...
Colorado State University
What Is a "Convection Cell"?
Round and round in circles it goes! A hands-on activity has learners recreate a model of a convection cell. They watch as the difference in density of their materials creates a current.
Royal Society of Chemistry
States of Matter 2
While scientists have identified seven states of matter, these puzzles cover the most common three. Scholars match the properties, particle motion, and particle picture to each type of matter. Three Sudoku-style puzzles review the data...
Colorado State University
What Is Energy?
Don't let the energy of your classroom falter! Explore the scientific definition of energy through play. A hands-on lesson focuses on the change of energy from one form to another.
NASA
Here Comes the Light!
Look beyond the light! An engaging activity introduces young scholars to the application of a spectroscope. The lesson is the fifth in a series of six and focuses on the analysis of the elements of the sun.
Chemistry Collective
Inelastic Collisions
That's the way the ball bounces ... if the bonds cooperate! Young scholars use a simulation experiment to explore the bonds between atoms in bouncing balls. They adjust the bond strength of two balls to compare the reactions after the...
Nuffield Foundation
Observing Earthworm Locomotion
One acre of land can contain more than a million earthworms. Scholars collect earthworms to observe their movements. Once placed on paper, the sound of movement often fascinates pupils. When placed on glass, the earthworm is unable to...
Kenan Fellows
Half-Life
Scholars shake their way to understanding half-life with the help of candy. They observe and record which side candy lands on to graph the exponential decay in the fifth lesson of seven integrating chemistry and algebra. Combining...
Howard Hughes Medical Institute
Living Dinosaurs: Fact or Fiction?
Are birds descendants of dinosaurs? Learners consider the question as they watch an informative video comparing fossil records of dinosaurs with current species. Following the video, groups ponder the evidence to draw conclusions about...
Howard Hughes Medical Institute
Creating Chains and Webs to Model Ecological Relationships
The sustainability of an ecosystem depends on many factors and changes constantly. Young scholars consider these factors as they use a set of cards to create food webs. They review key scientific vocabulary such as predator, prey,...