Curated OER
Life Cycle of a Butterfly
In this activity on the life cycle of the butterfly, students look at 4 pictures representing the life cycle stages, and choose words from a word box that match each picture. Students then number the pictures in the correct order of life...
Cornell University
Optical Simulation of a Transmission Electron Microscope
Don't have an electron microscope? Have your classes build the next best thing! A hands-on lesson asks scholars to build a model of Transmission Electron Microscope (TEM). They then use their models to identify the function of each...
Colorado State University
Can Energy Be Created or Destroyed?
Energy doesn't come out of nowhere! An engaging lesson has learners investigate energy as it transforms from one type to another. They collect data to prove that energy is not lost as it changes.
Jefferson Lab
Optics: Mirrors and Lenses
Did you see that or did I imagine it? Optical illusions are often created with mirrors and lenses, and here is a presentation that covers many different types of mirrors and lenses and how they work. Flat, concave, and convex mirrors, as...
Discovery Education
It's Getting Hot in Here
Class members engage in a STEM experiment and investigate how materials affect heating in a house by creating models of houses and using different top surface materials. They record the temperature inside the models and consider what the...
Cornell University
Characterizing a Solar Cell
Young classes are sure to get a charge out of this lesson! Learners experiment with circuits of a solar cell. They practice determining current, voltage, and power for the circuit and maximize the voltage and current of the cell.
Curated OER
Solar Car Series: during What Part of the Day Can the Most Sun Power Be Collected?
In preparation for solar car races, middle schoolers attempt to discover what time of day the most solar energy can be collected. Begin by demonstrating the use of a voltmeter for measuring solar cell output. Take them outdoors to take...
University of Colorado
Spacecraft Speed
Space shuttles traveled around Earth at a speed of 17,500 miles per hour, way faster than trains, planes, or automobiles travel! In the 13th installment of 22, groups graph different speeds to show how quickly spacecraft move through...
Cornell University
Resolution—Not Just for the New Year
Experiment with optical resolution using an inquiry-based lesson. Young researchers calculate fellow classmates' optical resolutions. They apply the information to understand the inner workings of optical instruments.
Curated OER
The Age of Reason and Enlightenment
A presentation that truly covers the age of reason and enlightenment. Nearly every facet, event, and key player in 18th Century Age of Enlightenment is covered. The information is clear, easy to follow, and lends itself well to note...
Sunlight Cal-Tech
Chromatography of Plant Pigments
Through a hands-on activity, an acetone-spinach solution is pre-made and learners use this solution to separate the pigments found in spinach using chromatography. The comprehensive resource includes an analysis and conclusion...
Colorado State University
How Does the Earth Cool Itself Off?
Where does all the heat go when the sun goes down? An interesting lesson has learners explore this question by monitoring the infrared radiation emitted over time. They learn that hot spots cool more quickly that cooler spots.
NASA
Revising an Investigation
Write, edit, and then revise! The fourth lesson in a five-part series asks peers to provide feedback on research. Individuals then use the research to edit and revise conclusions and develop their presentations.
Curated OER
Fish Eyes - More than Meets the Eye
Inform your class about the adaptations in fish eyes: cones, lens size, endothermy, and speed of vision. The adaptations are related to diving behavior. Junior marine scientists compare the adaptations of four different fish species to...
University of California
Heating and Cooling of the Earth's Surface
Scholars collect data from heating sand and water before forming testable hypotheses about why sand heats up faster. Afterward, they develop and run experiments to test their hypotheses.
Curated OER
Atoms, Molecules and Ions
Atomic theory, experiments that contributed to our knowledge of matter, atomic structure, isotopes, and ions are covered in these 33 slides. Quality diagrams and labeled charts will help activate understanding. The presentation concludes...
Columbus City Schools
Photosynthesis and Respiration
Thirty percent of the world's oxygen is produced by rainforests found throughout the world. Seventh grade learners explore the processes of photosynthesis and respiration through 10 days of labs, manipulatives, and discussions. They...
Curated OER
What's for Dinner?
View a video presentation comparing chemosynthesis to photosynthesis. Review the findings of the 2004 Ring of Fire Expedition that studied biological communities around the hydrothermal vents of the Mariana Arc. In...
Cornell University
Unknown Powders
Create a little scientific magic within your classroom! Learners mix powders and liquids and identify chemical reactions. Based on the reactions, individuals determine the identity of various powders.
Cornell University
Electric Vocabulary
Practice electric vocabulary using multiple methods. Learners begin by watching a video that explains vocabulary related to electric currents. They match vocabulary cards to practice and then create an electric circuit. Using the...
Curated OER
Designer Colors, an Inquiry Approach to Flame Testing
Students investigate the spectroscopic colors unique to elements, and to use this information to create a specific color. They follow a detailed schematic to produce a spectroscpoe to be used in the testing.
Curated OER
Newton's Hat Trick
Students are challenged to develop skits illustrating each of Newton's three laws of motion. They are asked to identify examples of Newton's laws in sports. Students are asked how does Newton's third law allow a runner to run?
Curated OER
Linkages Between Surface Temperature and Tropospheric Ozone
High schoolers use data microsets of mean near-surface air temperature and tropospheric ozone residual averages to infer patterns. Students analyze changes in tropospheric ozone and then hypothesize about the consequences of these changes.
Curated OER
Amounts of Dissolved Oxygen in Various Bodies of Water
Students test water to determine the dissolved oxygen content while displaying the proper use of testing instruments while visiting water testing sites. They determine if the amount of dissolved oxygen is appropriate for the tested...