Curated OER
Activity #20 Tear An Aluminum Can In Half
Young scholars observe the chemical reaction between CuCl2 and aluminum. They identify the evidence for a chemical change. Pupils answer the following questions after observing the experiment: How do you know a chemical reaction...
Curated OER
Breaking it Down
High schoolers will identify the factors that contribute to erosion and weathering. They will start by differentiating between chemical and mechanical weathering. They then apply what they learned by playing the online jeopardy game. Key...
Curated OER
Laboratory: Observing a Candle
In this observation worksheet, scientists observe a burning candle and answer eight post-lab questions. Topics include the phase changes occurring during the observations, the role each part of the candle plays in the chemical reaction,...
American Chemical Society
Comparing the Amount of Acid in Different Solutions
Upcoming chemists use chemical reactions to determine relative pH in two different acids. This is a terrific lesson for middle schoolers that can stand alone as a practice in precision and lab skills, or as part of the unit on chemical...
Concord Consortium
Reaction Between Hydrogen and Oxygen Molecules
When molecules of hydrogen and oxygen are combined, how does water form? Science scholars observe changes in kinetic and potential energy during a chemical reaction in an interactive. The resource features easy controls that allow users...
Curated OER
Science: The States of Matter
Third graders conduct experiments in matter to create chemical changes resulting in gases. By mixing solids and liquids, they create a chemical reaction and capture the gas in balloons. After observing the balloons fill with carbon...
Chymist
An Experiment in Alchemy: Copper to Silver to Gold
Use chemistry to change pennies into gold coins! The experimental procedure leads learners through the process of changing copper pennies to silver and then to gold. They record the mass of each coin through every step of the experiment.
American Chemical Society
Neutralizing Acids and Bases
Now that your science class has experimented with pH indicator and identified acids and bases, they attempt to get the cabbage juice indicator back to its original color. This is done through neutralization of the acids and bases that...
Concord Consortium
Breaking a Molecular Bond
Breaking up is hard, especially with a third part involved! Watch as molecules of hydrogen, oxygen, and nitrogen try to keep it together as a neutral third atom bombards them. Users control the reactive molecules and the velocity of the...
Beyond Benign
Exothermic and Endothermic Reactions
How can you tell the difference between endothermic and exothermic reactions? Chemistry scholars perform and observe two chemical reactions, measure the temperature throughout, then draw conclusions about changes in energy from their...
CK-12 Foundation
Chemical Bonds: Covalent and Ionic Bonding
Get back to bonding basics. Science scholars get a chance to show what they know using a simple interactive. Pupils create models of covalent and ionic bonds before answering questions about each interaction. The resource includes a...
NOAA
Energy from the Oceans
Can Earth's oceans produce a steady supply of clean energy? Scholars explore the uses of tidal and thermal energy in the 11th installment of a 13-part series about ocean-based alternative energy sources. Learners examine the...
Concord Consortium
Forming a Molecular Bond
They say two's company, but three's a crowd... unless you're talking about molecular bonding! Chemistry scholars experiment with two- versus three-atom bonding in an engaging simulation. Learners must place the third atom in a location...
Concord Consortium
Forming a Molecule
What does it look like when two atoms bond? Mol-e-COOL! Aspiring chemists observe the interaction between two atoms forming a bond in an easy-to-use interactive. Individuals move atoms closer together and observe changes in attraction...
Royal Society of Chemistry
A Reversible Reaction of Hydrated Copper (II) Sulfate
How can removing water change the color of a substance? Lab partners remove the water of crystallization from hydrated copper (II) sulfate, record their observations, then rehydrate the solid. The resource is printable and contains ideas...
Curated OER
Striking it Rich with Chemistry
Students identify the composition of different pennies. In this chemistry lesson, students use a post 1982 penny to observe chemical change. They explain how to turn a penny from copper to gold.
Curated OER
Things Are Heating Up
In this science learning exercise, learners read about chemical changes. Students also answer 3 comprehension questions about the reading.
Curated OER
Biology: Cells and Chemical Changes
Learners explore the numerous functions of cells in both plants and animals. Following a pre-assessment, they construct cell models and examine onion cell slides stained with iodine or dye. After participating in experiments on how to...
Curated OER
The Structure of Matter and the Chemical Elements
In this chemistry worksheet, students answer 73 fill in the blanks and multiple choice questions on the structure of matter and properties of elements in the periodic table.
Curated OER
How Stuff Is Put Together (Chemical Bonding)
Fourth graders participate in a simple experiment that shows the ratio of elements that make up water.
Curated OER
PhysioEx: Chemical and Physical Processes of Digestion
In this anatomy worksheet, students complete 22 review questions in the format of short answer, table completion, and fill in the blank after finishing an online virtual experiment about the chemical and physical processes of digestion.
Mr. E. Science
An Introduction to Matter
What's the matter? Gas, solid, liquid, or plasma. The presentation covers how to describe and identify matter, changes in matter, types of matter, measuring matter, particles of matter, Democritus, and John Dalton's Atomic Theory.
Curated OER
Acids and Bases
In this acids and bases worksheet, students review the characteristics of acids and bases, pK values, factors that change the rate of reactions, and catalysts. This worksheet has 17 multiple choice questions.
Curated OER
The Enthalpy of Chemical Change
For this chemical change worksheet, students review enthalpy and use Hess's law to calculate enthalpy and the heat of reaction for given reactions. This worksheet has 3 problems to solve.
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