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.
Frederick Moleski, Ph.D.
Blood Spatter: Bloodstain Analysis Experiments
It may be gruesome but somebody's got to do it! Young forensic scientists get a feel for what the job entails as they study blood spatter in seven experimental activites. They examine how spatter can be changed by release height,...
Curated OER
The Electromagnetic Crane
Students explore electromagnetism, simple machines and the design process. They use the concepts of electromagnetism to design and build a device that uses an electromagnet, a pulley and a lever using the provided Engineering Design...
Curated OER
Organs to Go...
Students explain the principles of experimental design and reinforce the steps of the scientific method. Each group of students create a "slush" type mixture to store a chicken liver.
Curated OER
The Scientific Search for the Loch Ness Monster
Students gain an understanding of the real world applications of the scientific method. They design their own experiments to prove or disprove the existence of other modern legends, and they design and carry out an experiment to test a...
Curated OER
Listening Devices
Young scholars design and construct a listening device that will allow them to listen to the sound generated by specific object inside a box.
NASA
The X-1 Paper Glider Kit
After reading an interesting account of how the X-1 aircraft was designed, built, and utilized, young engineers try their hand at constructing a paper glider version of the airplane. They cut out the plane out of a nicely designed...
Curated OER
Pump It Up!
Students design a pumping device that will effectively pump fluid through a model "cardiovascular system." They explore the effects of too much and too little pressure on a circulatory system.
Serendip
Is Yeast Alive?
Through two investigations, life science learners determine whether or not yeast is alive. They perform tests for metabolism by providing sugar and observing if gas is produced as a byproduct. They incubate some of the sample for at...
Washington Office of Superintendent of Public Instruction
Using Our Senses to Observe
Look around and explore. Little ones use their five senses with some day-to-day activities designed to guide observation and apply STEM strategies. Young scientists learn through comparing/contrasting and...
Curated OER
Fossil Fuels (Part I), The Geology of Oil
Junior geologists work through three mini-lessons that familiarize them with the formation and location of fossil fuels. Part one involves reading about petroleum and where it comes from via a thorough set of handouts. A lab activity...
Curated OER
The Legendary Raptors
How are raptors and airplanes alike? Combine science and language arts in this fun and interactive project. Young scientists research the animal in order to design their own aircraft, and compete in a contest for farthest, fastest, and...
American Chemical Society
Temperature Affects the Solubility of Gases
Dare your class to drive dissolved carbon dioxide out of carbonated liquid at different temperatures to discover if there is a difference in rate. To make this experiment more sound, have explorers use equally measured amounts of soda...
EduGAINs
Understanding Viscosity through Investigation and Comparison of Fluids
Not all liquids are the same. Investigate the viscosity of different fluids with a series of activities designed for eighth grade science. As learners move through learning centers with different experiment setups, they determine...
Learning Games Lab
Gram Staining
Scholars use a lab simulation to test contaminated yogurt for bacteria by gram staining. They learn proper lab procedures for handling bacteria and for sterilizing equipment, and then walk through the process on their own to try gram...
Learning Games Lab
Controlling Water Activity in Food
Food storage matters! Scholars learn how the amount of water in corn can affect its rate of spoilage. They create a control group, then test three corn samples stored in three different locations for water activity. As a result of the...
Learning Games Lab
How to Use Oil Immersion Microscope
Teach the class how to use a microscope to identify bacteria in food. Scholars explore the different parts of the microscope and learn how to determine total magnification. They walk step-by-step through the procedure of preparing slides...
Learning Games Lab
Understanding Water Activity
How does water activity play a role in food spoilage? First, the learners think about which types of foods would be best to take on a backpacking trip based on the water activity of different foods. It then walks through why water...
Learning Games Lab
The pH Scale and Meter Calibration
What are the different ways to test for pH? First, scholars explore the pH scale and a common way to test for acidity and alkalinity. Then, they learn about the importance of pH in food safety and why variance in pH could potentially...
Chemistry Collective
Virtual Lab: Determining the Solubility Product
No chemistry lab? No problem! Scholars use a virtual lab to determine the solubility product of four different chemicals. They then use the results of their experiments to see if higher solubility product values equal greater solubility.
Learning Games Lab
Testing for Corn Mold
Learners complete a virtual lab to test for a corn mold that can lead to dangerous toxins. They walk through a detailed step-by-step procedure then see their findings. Throughout the activity, they learn how to use lab tools and practice...
College Board
2017 AP® Physics 2: Algebra-Based Free-Response Questions
In 2017, more than 15,000 scholars earned college credit based on their AP Physics 2 exam covering lenses, energy, and more. The College Board released the free-response questions, sample answers, and scoring guidelines from that exact...
College Board
2015 AP® Physics 1 Free-Response Questions
It's rare for even 40 percent of test takers to pass the AP Physics 1 exam. Improve those odds for young scientists with the help of actual free response questions covering topics from free body diagrams to velocity. The College Board...
Curated OER
A Human-Powered Vehicle for Trans-Glacial Transport
Students practice problem solving skills and experimental design. They build a vehicle that can traverse "glacial" ice capable of carrying a specific load and glide smoothly, creating as little effort as possible for the skier pulling...