Curated OER
Dinosaur and DNA Days
Biology stars extract DNA samples from beef thymus and then examine its properties. They use enzymes to digest the DNA samples, and then use electrophoresis to separate fragments. Finally, they discuss methods and principles of...
Curated OER
Bloodstain Pattern Simulations: A Physical Analysis
Students receive bloodstain pattern evidence from a crime scene. They answer a series of questions through inquiry, observation, measurement, and analysis. Pupils complete this challenge, by reconstructing the evidence through four...
Curated OER
#24 How Much Air Is In Foamed Polystyrene Products?
Students are challenged to come up with a good estimate of the amount of air in foamed polystyrene products. They use this gas evolution experiment and as such have students measure the gas generated when foamed polystyrene is degassed...
Curated OER
# 03 Laboratory Ventilation and Risk Assessment Exercise
Students are introduced to the analysis of health risks in the laboratory, particularly from vapors from organic solvents. They consider quantitative measure of risk such as threshold limit values (TLVs), the amount of the compound that...
Curated OER
# 02 The Aspirin Shelf-Life Scenario
Students work for a company that produces acetylaslicylic acid, aspirin. They have been assigned the task of determining if different packaging materials and/or environmental storage procedures can increase the shelf-life of the product.
Curated OER
Using a Controlled Experiment to Identify Two Unknown Plasmids
Student demonstrate knowledge of recombinant DNA techniques (restriction enzyme digest, gel electrophoresis, and staining gel). They demonstrate skills needed to complete a gel electrophoresis and interpret a stained gel. Pupils solve...
Curated OER
Energy and Matter
A review of a full unit on energy and matter, this slide show starts with basic definitions of states of matter and their mass. It then develops the ideas of the forces that that matter can exert. Details about bonding within matter and...
Curated OER
Energy and Energy Conversion
Third graders investigate different energy conversions through hands-on activities. In this energy instructional activity, 3rd graders move through four stations and conduct experiments illustrating energy conversions. Wave energy,...
Curated OER
The Basics of Biochemistry
Science teachers can introduce basic chemical concepts to biology students.
Curated OER
Experiments in Nanotechnology: Ferrofluids
Students explore the world of nanotechnology by synthesizing ferrofluids in a series of chemical reactions. In small groups, they follow the procedure to create the ferrofluids using precise measuring techniques. They test the resulting...
Curated OER
Cardiac Arrest! Using Forensics to Investigate Cardiovascular Anatomy and Function
Learners identify the different parts and functions of the cardiovascular system. For this forensics lesson, students collect and analyze evidence on a fictional crime. They describe different causes of cardiac arrest.
Curated OER
Stick To It!
High schoolers compare different types of pressure sensitive adhesive tapes. They fevelop and carry out tests for variables affecting the force needed to peel tape off a surface. Students analyze the time needed to peel the tape with...
Curated OER
Teaching About the Properties of Water
Students use video, Internet research, graphs and tables, worksheets and hands-on experiments to investigate the properties of water in a lake environment. They work under direction or through an inquiry process.
Curated OER
Cave Formation Age Estimation
Students investigate growth rates of flowstone formations. They view a virtual field trip and discuss how flowstones form. They observe the cave fieldtrip and predict the growth rate for a cave formation. They graph growth rates and...
Curated OER
Making soap you can use
Those textbook experiments are no good. Using this simple method you can make a real bar of soap. It's
Curated OER
Are Polymers Photodegradable?
Students study the term photodegradability and how it applies to the 6-pack loop ring. In this materials lesson students test photodegradability of the 6-pack plastic ring.
Curated OER
DNA Isolation from Onion
Students apply measurement skills using the metric system. They explain the process of isolating DNA from other cell contents. They apply knowledge of cell structure to explain the process of isolating DNA.
Curated OER
A Self Directed Inquiry into the Identification of Unknowns
Students gain experience in designing an experiment and use logic in selecting specific tests for unknowns. Students recognize the use of spreadsheets in helping one to make clear comparisons.
Curated OER
The Cricket and The Plant
Students examine determine the symbiotic relationship between plants and animals as the find ways to naturally reduce carbon dioxide emissions. They study the carbon cycle. They work with probe and graphing calculator to examine the...
Georgia Department of Education
Ga Virtual Learning: Chemistry: Introduction to Chemistry
This online course guides students through the scientific method with an emphasis on analyzing data and graphical analysis as a foundation to a chemistry course.
Crescent Public Schools
The Internet Science Room: Chemistry Class Introduction
This introduction to chemistry class reviews some major concepts to help prepare students for a high school chemistry course.
Science Buddies
Science Buddies: Project Ideas: Crazy Crystal Creations: Grow Crystals
Compare the size and shape of crystals grown in different temperature conditions in this science fair project. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction, followed by...
Other
Chemistry 101: Titration of Acetic Acid in Vinegar
Material that can serve as guidelines for a teacher-lead demonstration or student lab experiment. Provides introduction, learner outcomes, safety guidelines, and detailed procedures.
University of Nebraska
University of Nebraska: Determining a Molecular Formula
This is a seven part site from the University of Nebraska on molecular formulas. Sections are: Introduction, Purpose, General Safety Considerations, Procedure, Data Analysis and Concept Development, Implications and Applications,...