Curated OER
Creating Biodiesel and Mitigating Waste
Biotechnology pros produce their own biofuel using waste oil and fresh vegetable oil. They test the quality of their product using titration techniques and pH analysis. They write their observations and report their findings. Be aware...
American Chemical Society
Look-Alike Liquids
Here is the first of four experiments to differentiate among unknown liquids by their behaviors and properties. Pupils observe how different liquids respond to being placed on plastic and paper, and they take notes about their...
Curated OER
Glass Transition in a Rubber Ball
Students illustrate the changes in the properties of a material at its glass transition point. They gather data which they use to construct graphs regarding elastic modules versus absorption modulus, tangent delta, and the effect of...
Curated OER
Up and Atom
"Up and Atom" is a mini-unit introducing middle-schoolers to the wonders of elements. Participants draw atom models, examine the periodic table, compare samples of metals to nonmetals, identify unknown elements, and more! The beginning...
Curated OER
Food Packaging
Students identify the functions of packaging food and how the designs work. In this food packaging lesson students identify the changes that occur in different types of materials.
University of Georgia
Resumé of an Element
Class members use the provided worksheet to create a resume for one element from the periodic table. The activity teaches learners about all of the properties of elements and how to read the periodic table.
Curated OER
Ice Cream Blizzards
Fourth graders explore whether the making of homemade ice cream is a physical change or a chemical change in a lab experiment. Students identify states of matter, describe the physical properties of states, and collect temperature data...
Curated OER
Confectionary Bureau of Investigations: Case of the Cookie Mystery
High schoolers perform tests on different chemicals to determine their chemical properties. For this forensic science lesson, students identify an unknown sample using its physical and chemical properties. They solve a fictional crime...
Curated OER
The Chemistry of Life
Students study atoms and chemical compounds. They identify certain elements essential to human health, describe physical and chemical properties of water, and name four types of polymers unique to all life forms. They explain how each...
Curated OER
Properties of Matter: "Sink or Swim"
Third graders recognize that different materials have different properties which can be observed such as texture and bouyancy, and compare and contrast, through observation, ability of some objects to float because of action of...
Curated OER
Physical and Chemical Changes
Eighth graders distinguish between physical and chemical change. In this chemistry lesson, 8th graders observe a series of demonstrations showing physical and chemical changes. They identify the signs that a chemical reaction took place.
Curated OER
Properties of Matter
In this matter learning exercise, students compare metals and non-metals, elements, and chemical and physical properties. This learning exercise has 22 short answer questions.
Purdue University
Yucky Water? No Problem!
Young scholars study the process of water filtration in a three-part STEM lesson. After analyzing samples of dirty water, teams design and build their own filtration systems and measure their efficiency.
Curated OER
Things Are Heating Up
In this science learning exercise, students read about chemical changes. Students also answer 3 comprehension questions about the reading.
Curated OER
Quite a Reaction
In this chemical reaction worksheet, students experiment with soda and Mentos candy to observe a chemical reaction. Students describe the reaction, identify the investigation as descriptive or qualitative and make a prediction if the...
Curated OER
How Are Polymers Utilized in Everyday Life?
Students investigate polymers and their uses in everyday life. In this polymers instructional activity, students are assigned one of the 10 areas of polymer science and they do research on their assigned area using the internet. Students...
Curated OER
The Halogens
In this chemistry worksheet, students answer 24 questions related to properties of halogens. They fill in the table with the correct answers and participate in teacher demo.
Curated OER
Chemistry
In this general chemistry worksheet students complete a series of multiple choice and short answer questions on elements, chemical properties and various chemical reactions.
Curated OER
Chemistry Module
Students build metal atomic models using styrofoam. In this chemistry lesson, students identify the different unique properties of metals. They explain how metal atoms bond.
Curated OER
Comparison of Different Methods for Determining Stream Flow at a Stream Site
Students make measurements and calculations to determine the stream flow of an outdoor stream site. In this stream characteristics lesson, students travel to a field site to construct a transect across a stream and measure the...
Cornell University
Hydrophobic Surfaces—Deposition and Analysis
Couches, carpets, and even computer keyboards now advertise they are spill-resistant, but what does that mean? Scholars use physical and chemical methods to coat surfaces with thin films to test their hydrophobic properties. Then they...
Curated OER
Condensation Polymerization: Preparation of Thiokoll® (Polysulfide Rubber)
This lab activity is geared toward experienced chemistry learners, in particular, those who are familiar with organic chemistry. They will create a synthetic elastomer and then make observations and measurements of its different...
Curated OER
Changing in Ohio
Fifth graders familiarize themselves with more abstract chemical/physical changes that are directly connected to Ohio. They use their knowledge of chemical and physical changes to distinguish these two, even though they may not be...
Curated OER
Solar Kit Lesson #15 - Solar-Powered Electrolysis of Water and the Hydrogen Economy
An outstanding lesson awaits your physics fledglings! After reading about how hydrogen can act as an energy carrier, they examine the electrolysis of water using solar power. They test the gases produced for flammability and will...