Nuffield Foundation
Microscale Investigations of Catalase Activity in Plant Extracts
Use indirect measurements to monitor metabolic activity in plant cells. Scholars understand that cells with a higher metabolic rate have a higher concentration of catalase enzyme. They use this information to compare metabolic rates of...
American Chemical Society
Using Dissolving to Identify an Unknown
There is a solvent called aqua regis that can dissolve gold! After observing a solubility demonstration, groups receive four known crystals and one unknown. Based on the demo, they design an experiment to determine the identity of the...
Cornell University
Nano What?
The size of a nanoparticle is difficult for pupils to grasp. A hands-on experiment is designed to give your classes perspective. Learners analyze different sports drinks for the content of electrolytes as an introduction to nanoscale....
Cornell University
Thinking with the Eyes
Objects are larger (or smaller) than they appear! Scholars use a laboratory investigation to explore the difference between resolution and magnification. The activity allows them to calculate the size of the field of view of their light...
Nuffield Foundation
Assessing Human Hearing
Young scientists explore hearing through multiple experiments, demonstrations, and activities. They focus on the changes in hearing over a lifetime, how we can determine where a sound is coming from, and the ability to filter noises.
Nuffield Foundation
Observing Water Moving Through Plants
We know plants assist in the water cycle, but how do plants get water from the ground into the air? Through a series of demonstrations or labs, scholars observe the movement of water through plants. They microscopically view the cells...
Cornell University
Atomic Bonding
Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...
Nuffield Foundation
Observing Osmosis, Plasmolysis, and Turgor in Plant Cells
Create the perfect conditions for osmosis. Young scholars use a microscope to observe plant cells exposed to distilled water or sodium chloride. They observe how osmosis creates turgid or plasmolyzed cells.
Nuffield Foundation
Investigating Osmosis in Chickens' Eggs
You might not be able to learn through osmosis, but you sure can observe it! Scholars observe and measure osmosis using chicken eggs. They control for multiple variables to determine which variables have an impact and how the impact...
Lawrence Hall of Science
Photolithography
Examine the use of photolithography in the fabrication of circuit boards and other components. An advanced activity teaches pupils a process for transferring a pattern onto a surface. Using UV light and a light reactive substance,...
Cornell University
Diffraction Demystified
Study diffraction patterns using CDs and DVDs! Scholars measure the diffraction patterns of a light wave as it hits a CD or DVD. Using the information, they can measure the distance between the tracks.
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
Electrochromic Polymer—Chemistry Outreach
From windows that tint themselves to OLED technology, electrochromic polymers are redefining our ideas about conducting materials! Introduce your chemistry class to the emerging trend with an exciting lab activity. Budding materials...
Royal Society of Chemistry
Lead Compounds: Precipitation Reactions and Pigments—Microscale Chemistry
Colorful lead compounds never fail to impress! Solubility scholars examine a series of double replacement reactions involving lead nitrate and record their observations. The second part of the experiment illustrates the differences...
Nuffield Foundation
Following Gene Transfer by Conjugation in Bacteria
After the lab, you'll be able to solve this analogy: Natural selection is to vertical transfer of genes as ___ is to the horizontal transfer of genes. Young biologists conduct an experiment on E. coli bacteria to explore the process of...
American Museum of Natural History
What's This? Sensing
There is a scallop that relies on sight so much that it actually has more than 100 eyes! There are many species that rely heavily on one sense or another. An online interactive resource has youth read about several of these animals. The...
Curated OER
Miss Mingo and the Fire Drill
Students read the book Miss Mingo and the Fire Drill and do fire safety activities that go with the book. In this fire safety lesson, students read the given book and do fire safety activities that include stop, drop, and roll...
Curated OER
Safety With Animals
Students investigate and become aware of when a dog is about to bite. In this safety and dogs lesson, students discuss dog bites and when they occur. Students complete a related worksheet and create a bulletin board about when dogs may...
Curated OER
The Price of Beauty: What you don't know might hurt you
Students study cosmetic safety issues and concerns raised by advocacy groups. They create a cosmetic safety brochure designed for the average consumer, to create awareness about cosmetic safety concerns.
Curated OER
Staying Alert and Fit to Drive a Truck
Students examine the safety concerns of driving while sleepy. In this driving safety activity students come up with techniques that can help drivers stay alert on the road.
Curated OER
Designing a Safe City Like a Civil Engineer
Students study civil engineering, safety apparatuses in their city, and design their own city. In this civil engineering lesson, students discuss their towns safety apparatuses and define civil engineers. Students then design their own...
Curated OER
Regulation and handling of animal products: a special challenge
Students examine how food safety affects sustainable animal production and marketing. In this agriculture lesson students complete several activities including one on groceries and the rules of animal products.
Curated OER
Science and the Ocean Ranger Disaster
Students investigate the scientific theories behind various elements of the Ocean Ranger disaster. They present their information in a format of their choosing.
Curated OER
Canoe and Kayak
Students explore canoes and kayaks. In this canoe and kayak lesson, students research the history, parts, and sport of the canoe and kayak. Students then practice how to use a paddle for each boat, and go on a field trip in order...