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,...
Curated OER
The Nature of Salt
Students record information from the periodic table for sodium and chloride. They determine whether salts are molecular or ionic compounds, along with sodium chloride's molecular weight, and relative weights
Polar Trec
Polar Detectives: Using Ice Core Data to Decode Past Climate Mysteries
How does examining an ice core tell us about weather? Learners set up and explore fake ice cores made of sugar, salt, and ash to represent historical snowfall and volcanic eruptions. From their setups, scholars determine what caused the...
Purdue University
Design of a Door Alarm
How does electricity work? Budding scientists explore the concepts of electrical currents and open and closed circuits with class discussion and a hands-on activity using a battery to turn on a light bulb. Learners also make predictions...
Curated OER
Plants in Your Gas Tank: From Photosynthesis to Ethanol
Explore ethanol and how it is produced. Young scientists investigate photosynthesis and fermentation to the concept of conservation of energy and mass. They discuss the environmental and economical benefits of ethanol as a fuel additive.
Kenan Fellows
What Is Heat?
If objects have no heat, how do they can gain and lose it? Scholars experiment with heat, temperature, and specific heat of various substances. They create definitions for these terms based on their own conclusions to complete the fourth...
Curated OER
Bats and Hot Dogs
Students identify patterns and relationships from data that is collected and solve variables. In this investigative lesson students study ocean productivity, the nitrogen cycle and phytoplankton then answer questions.
Curated OER
Doing Lewis Dot Diagrams
Learners observe the periodic table and draw the Lewis Dot Diagram. In this investigative lesson students construct information on several elements including the Lewis Dot Formation and take a quiz on the information they...
Curated OER
Saltwater Science
Students conduct an experiment that shows them how salt water allows things to float. In this salt water lesson plan, students mix ingredients together to create salt water and observe how it makes the oceans dense. They then interpret...
Curated OER
Classify Rocks
Students classify different types of rocks. In this earth science lesson plan, students test different rock samples and construct a chart to record observations. They create a concept map that answers essential questions.
Curated OER
More on Temperature and Solubility
Students discover how temperature effects the solubility of solutes by experimenting with a range of temperatures. They develop skills for observing, inferring, measuring, comparing and contrasting.
Curated OER
The Water Cycle and Global Warming
Students study the flow of water in the environment. In this water cycle lesson students evaluate the consequences of changes in the water cycle using data.
Curated OER
Molecular Modeling Activity
Young scholars explore the concept of molecular modeling and differentiate between saturated and unsaturated compounds. In small groups, they identify molecular formulas, complete a chart comparing alkanes, alkenes, and alkynes, and...
Curated OER
River Reflections
Sixth graders create podcasts and video public service announcements. In this environmental advocacy lesson, 6th graders study the local watershed and become advocates for their local environment. In the process, they create podcasts and...
Curated OER
DNA Isolation from Plant Tissue
Pupils perform an experiment to extract and observe DNA from plant Tissue. They read about the procedure and relate it to the procedure used to isolate DNA from an endangered plant species. This is lesson three in a nine lesson unit on...
Curated OER
Molecular Models Laboratory
Students use models to visualize molecular structures. Students read about Lewis dot structures, hybridization, and formal charge. Then students build and draw the molecules and ions given. Students complete 11 pre-lab questions and 4...
Curated OER
What is the Rock Cycle and Its Processes?
Geology beginners examine three different rock samples and determine their origin by their characteristics. By making and recording observations, they become familiar with features of igneous, metamorphic, and sedimentary rock types....
Curated OER
Lead and Mercury: Comparing Two Environmental Evils
High schoolers in chemistry or health courses look at the material safety data sheet (MSDS) and periodic table of elements to gather information about mercury and lead, two toxic materials that have been found in food products. They read...
Curated OER
Fire Brigade
Students examine how a community works together to protect them from fire. They work together to design a functional tool that could be helpful in fighting fires. They share their tool with the class.
Curated OER
Reading the River
In collaborative groups, young ecologists measure the temperature, pH, and dissolved oxygen for three different freshwater samples. They examine each sample with a microscope and record observations on the microorganisms in the pond...
Curated OER
Communication Technology
While working in groups, learners refine the negative prints, floppy disks, and photographs they've been working on. They rotate to different stations on paper cutting, airbrushing, and computers. Special attention is placed on the...
Discovery Education
It's Too Loud!
STEM scholars investigate sound attenuation by conducting an experiment in which they compare the farthest distance that they can hear a sound with and without ear protection.
Curated OER
Antacid Tablet Race
Students complete experiments to determine how rocket fuel is affected by surface area and temperature. They compare the reaction rates of antacid tablets. They discuss their results to complete the lesson.
Curated OER
Acids and Bases: Together again!
Students identify principles behind acid-base reactions. They predict factors that may affect an acid-base reaction. Students identify questions and concepts that guide scientific investigations.