CK-12 Foundation
Pythagorean Theorem for Solving Right Triangles: Solving the Triangle
Observe the change in the trigonometric ratios as angles vary. An interactive provides the values of trigonometric ratios for both acute angles in a right triangle. Pupils create a right triangle to match given criteria and find the...
CK-12 Foundation
Angle Measurement: Adding Angles
Build angles from angles. Using the Angle Addition Postulate, learners find the measures of unknown angles. The interactive simulation shows a visual representation of the postulate and allows individuals to manipulate the angles and...
Cornell University
Thin Films
Combine mathematics and science to calculate measurements of unmeasurable materials. Individuals use knowledge of density and volume to determine the thickness of the film used in production. They also apply stoichiometry to...
Science 4 Inquiry
The Ins and Outs of Photosynthesis
The most important chemical process on Earth is photosynthesis. Scholars explore the changes in the gases in our atmosphere as life on Earth developed. They create a model of photosynthesis and consider simple questions.
National Nanotechnology Infrastructure Network
Understanding Wave Motion - Slinky vs. Snaky: Which Spring is Dominant?
Ride the wave to an understanding of refraction! The first in a series of two inquiry-based lessons challenges learners to create transverse waves with two different types of springs. As their wave hits an object, they observe the change...
Geography for Geographers
Five Themes of Iceland
How do the five themes of geography relate to the country of Iceland? Pupils learn about everything from the differences between relative and absolute location to how humans both adapt and change the environment. The presentation...
Curated OER
How to Hide in the Ocean
Students observe and discuss the advantages of camouflage, then try their hands at designing a well-camouflaged fish.
Curated OER
The Effect of Math Anxiety on Cardiovascular Homeostasis
Using a pulse monitor, learners will measure a resting pulse, take a math test, and then measure the pulse again. They analyze the change in pulse and compare it to performance on the test. This multi-purpose lesson plan can be used in a...
Curated OER
Bird Ecology Unit
Birds, plants, and vegetation, is there anything more lovely? There is! Engage your class in the scientific process, data collection, and data analysis. They stroll their campus observing and identifying various birds and plants,...
Curated OER
Scientific Method Experiment: Factors Affecting How Ice Melts
Young scholars demonstrate the scientific method by conducting an ice cube melting experiment. They make predictions and observations, and conclude what factors make ice melt more slowly or quickly than normal.
Curated OER
Living in the Greenhouse
Students discuss the different types of climate zones found throughout the world. They participate in activities which relate to real events. They make observations and the consequences of their actions on the environment.
Teach Engineering
Buoyant Boats
Eureka! Using the clay boats made in the previous lesson, learners investigate the idea of buoyancy and water displacement to finish the last installment of five in a Floaters and Sinkers unit. Their observations during the activity...
Curated OER
Understanding the Water Cycle
Investigate the water cycle and how water moves from the land to the air and back to the land. Create a terrarium and observe the water cycle at work. Define weather terms including evaporation, condensation, and precipitation.
Curated OER
Know Your Angles
Explore types of angles and the characteristics of each. After observing a PowerPoint Presentation, learners tour the school facilities and use a digital camera to capture prescribed angles. Using the digital pictures and written...
Curated OER
Exploring Mars
Learners, working in small groups construct scale models of the planets and solar system. They examine images of Mars and discuss what might have caused the features. They record facts about their planetary research in their journals and...
Curated OER
Exciting Expressions
Elementary schoolers observe and demonstrate a variety of strategies for reading with expression. They listen to the teacher read A Fine, Fine School with and without expression and discuss the differences. Then in pairs, read the...
Curated OER
Don't Be Silly–Expression is Fun!
As children observe the teacher reading Today I Feel Silly and Other Moods That Make My Day, they take note of the role punctuation plays in the emotion or expression used. They then take turns reading a book with a partner so they can...
Curated OER
Exploring Electricity - Four Activities
These are four classic activities used for instructing upper elementary electricians. The first involves experimenting with the Van de Graaff generator. The second is a series of hands-on experiences with static. In the third activity,...
Curated OER
Target Earth
Space scientists use water displacement to determine the mass of a cubic centimeter mini meteorite, and then use it as a small-scale representative of an asteroid. They figure out the orbital velocity of an asteroid. Then they use a...
Curated OER
Hand Washing
Mostly discussion, this lesson explores the importance and methods of hand washing. A few true stories of community illnesses spread by the neglect of washing hands serve as an anticipatory set. The activity is most memorable if you are...
Curated OER
Making Oxygen
Use demonstrations to enlighten learners on oxygen's role in combustion. Use potatoes and hydrogen peroxide to increase oxygen concentration in a jar, then stick a glowing splint and a burning wad of steel wool into the newly formed...
Curated OER
Layers of Rock
Juvenile geologists drill clear plastic straws down into a playdough sedimentary rock model, pulling out sample rock cores. As they analyze their cores, they apply the law of superposition and discover that originally horizontal layers...
Curated OER
Lab Tests, Results, and Sulfuric Acid
You may want to change the title of this chemistry PowerPoint to "Identifying Compounds in the Laboratory." Individual slides explain tests that can be performed to confirm what element you have: carbon dioxide, carbonates, and metal...
French Teacher
La Biodiversite
What is biodiversity, and how has it been impacted? Advanced French readers learn about the changes in species around the world and what the United Nations decided to do about it. After reading the page-long text, your readers complete...