Chicago Botanic Garden
Are Global CO2 Levels Changing?
According to the Mauna Loa observatory, carbon dioxide levels increased by 3 ppm in our atmosphere between 2015–2016. Individuals analyze carbon dioxide data from around the world and then share this with a home group in lesson three of...
It's About Time
The Chemical Behavior of Atoms
Assist your class with this colorful activity as students view and interpret changes in the hydrogen atom. They discuss concepts of the electromagnetic spectrum and use Bohr's model to predict wavelengths and light patterns,...
Curated OER
Eggs'ceptional Experiments
Young scholars see evidence of chemical reaction and follow the scientific method to hypothesize, observe, and reach conclusions. They conduct a series of egg based experiments such as forming crystals and complete journal activities as...
Curated OER
Physical or Chemical? That Is the Question
Young scholars find examples of physical and chemical changes using the five Web World Wonders camera sites.
Curated OER
State Change
Eighth graders explore the physical change of matter. As a class, they discuss their favorite super hero and determine if the hero undergoes a physical or chemical change. Students examine the change of state and phase change. In groups,...
Curated OER
Change It
Fourth graders expand their knowledge about how the physical properties of a substances can be changed. They are given multiple opportunities, using first-hand experiences and familiar objects in different contexts, to identify...
Curated OER
Classification of Changes
In this classification of changes worksheet, students identify each example as either chemical or physical changes. Students also classify other examples as either element, compound, solution, colloid, or suspensions. In the other...
Curated OER
Reversible and irreversible changes
Students define the words "reversible" and "irreversible." They complete a worksheet that shows a number of changes. Students must decide which are reversible and which are irreversible.
Curated OER
Physical or Chemical Change
In this matter worksheet, students read statements about changes happening to matter and classify the change as either a physical or a chemical change. This worksheet is a graphic organizer.
Curated OER
Chemical Equations
In this chemical equations activity, students complete a paragraph about chemical equations by filling in 17 terms from a word list.
Curated OER
Winogradsky Column Unit
Students are introduced to two changes, physical and chemicl, in order to prepare them to comprehend what changes take place in a Winogradsky Column. They participate in two activities including completion of a worksheet, balloon...
Curated OER
Boot Reer Root Beer
Fifth graders investigate chemical reactions. In this physical science lesson, 5th graders make dry ice root beer and identify the type of change that occurs to the root beer mixture.
Curated OER
Mad Science Lab: Original Lesson Plan
Students conduct a number of simple experiments, collect and categorize the results as either chemical or physical change. The lesson plan uses connections to folklore, science fiction and comic books to assist each student as they make...
Curated OER
What's the Reaction?
Students combine baking soda and vinegar and observe the chemical and physical changes that this mixture can produce.
Curated OER
The Heat is On!
Fifth graders investigate evidence for changes in matter that occur during a chemical reaction.
Curated OER
Rainbow Lab
In this mixtures worksheet, students experiment with different amounts of solutes and solvents to make solutions. They observe color changes and look for chemical and physical changes in the test tubes. Students answer 5 questions and...
Curated OER
Practice Final
A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...
Curated OER
Cells and Chemical Changes
The billions of cells that make up all living things are the focus of this resource. Understanding the differences between the cells that make up plants and animals is an important distinction; it is covered here quite-well. Some...
Cold Spring Harbor Laboratory
Mutations Are Changes in Genetic Information
A red delicious apple tree with a simple mutation means we now benefit from the existence of golden delicious apples. Learn how simple mutations change genetic information in DNA sequences. Using biographies, videos, and animations,...
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
American Chemical Society
Natural Resources and Synthetic Materials
All synthetic materials began as natural materials. An engaging lesson begins with a hands-on activity and an example of the type of research that scholars perform independently. Then pupils receive a topic and begin researching the...
Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Curated OER
Physical and Chemical Changes
Sixth graders complete several experiments about chemical and physical changes. In this physical and chemical science lesson, 6th graders complete 6 experiments about chemical and physical changes. Students examine the processes of...
American Chemical Society
From Gas to Liquid to Solid
From gas to liquid condensation to solid frost, water undergoes phase changes before students' eyes! Using ice, salt, water, and a metal can, they set up an investigation that can be used in a physical science setting, or as part of a...
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