Worksheet
Curated OER

Water and Diffusion

For Students 9th - 12th
In this water and diffusion worksheet, learners will explore the characteristics of water and the water molecule. Students will also answer questions about diffusion and the movement of materials due to concentration differences. This...
Worksheet
Curated OER

Kinetics and Equilibrium

For Students 10th - 12th
In this kinetics and equilibrium worksheet, students use the diagram to answer the questions as it relates to endothermic or exothermic reactions. Students indicate the result in the reaction rate as speeding up or slowing down.
Worksheet
Curated OER

Ozone Layer Day

For Students 7th - 8th
In this ozone layer day worksheet, students read or listen to a passage about ozone layer day, then match phrases, fill in the blanks, choose words, unscramble words and sentences, put sentences in order, write discussion questions and...
Lesson Plan
Curated OER

Molecular Explorations

For Teachers 9th - 12th
Students explain the processes for separating DNA from tissue and separating complex mixtures.  In this exploratory lesson students complete a lab where they extract DNA.  
Lab Resource
Creative Chemistry

The Blast Furnace

For Students 9th - Higher Ed
In this chemical reactions learning exercise, learners practice writing chemical formulas, word equations, and symbol equations. They also identify the types of reactions. This learning exercise has seven problems to solve.
Lesson Plan
Curated OER

Water Quality And pH

For Teachers 6th - 12th
Learners determine the pH level of water and its effect on aquatic plants and brine shrimp eggs. This is a three part instructional activity that leads the student through the development of an understanding of water pH. They form a...
Worksheet
Curated OER

Diffusion

For Students 9th - 12th
In this diffusion worksheet, students review the terms associated with diffusion and osmosis plus answer questions based on a passive transport lab they completed. This worksheet has 8 short answer questions.
Lesson Plan
Curated OER

Water Chemistry

For Teachers 6th - 8th
Students engage in a instructional activity that is concerned with the concept of water chemistry. They conduct research using a variety of resources. Students also consider an experiment to observe how water has the abiility to exist as...
Lesson Plan
Curated OER

Extraction of DNA from Onion

For Teachers 9th - 11th
Students study DNA by isolating it from plant tissue. They determine the purpose of each step in the isolation procedure as it relates to the physical and biochemical characteristics of the genetic material
Lesson Plan
Curated OER

Extraction of DNA from Onion

For Teachers 10th - 12th
Young scholars experiment with DNA by isolating it from plant tissue. They investigate whole onions to prepare DNA. They complete the experiment to examine the structural characteristics of DNA.
Lesson Plan
Curated OER

Mechanical Properties

For Teachers 9th - 12th
Students explore the concept of hardness. In this physical science lesson plan, students will be using clay heated at different temperatures to study hardness based on the indention left. Students will also be identifying the variables...
Activity
Other

Science Alive: Pure Substances, Mixtures, and Separations

For Students 6th - 8th
One way scientists talk about matter or substance-that is, the stuff in the world-is in terms of pure substances and mixtures. Pure substances are substances that contain only one kind of molecule. Water with nothing else in it is a pure...
eBook
University of Notre Dame

Und: Properties of a Pure Substance [Pdf]

For Students 6th - 8th
Often we find that different phases of pure substances can exist in equilibrium with one another. Let us consider an important gedankenexperiment (Latin-German for "thought experiment") in which we boil water. Ordinary water boiling is...
Activity
Other

Science Alive: Pure Substances, Mixtures, and Separations

For Teachers 3rd - 8th
This series of activities focuses on the separation of mixtures. The activities can be used in a unit on mixtures and pure substances.
Handout
Other

Chemsite: Pure Substances vs. Mixtures

For Students 9th - 10th
An outline on the topics of pure substances and mixtures.
Article
Mocomi & Anibrain Digital Technologies

Mocomi: Pure Substances and Mixtures

For Students 2nd - 8th
Defines matter, substances, and mixtures and gives examples.
Activity
Science Education Resource Center at Carleton College

Serc: Lab Investigation Mixture Separation

For Teachers 9th - 10th
An inquiry lab where students try to separate as much as the pure substance they can in a set time period. This lab helps students understand that physical means can be used to take apart a mixture.
eBook
Simon Fraser University

Chem1 Virtual Textbook: Classification and Properties of Matter

For Students 9th - 10th
As part of a larger resource called "Getting started in Chemistry," this page examines various topics related to the study of matter. Included in the study are properties of matter, classification of matter, pure substances, chemical...
Unit Plan
Texas Education Agency

Texas Gateway: Properties: Mixtures

For Students 9th - 10th
Given descriptions, scenarios, or illustrations of properties, students will distinguish between pure substances and mixtures.
Unit Plan
CK-12 Foundation

Ck 12: Classification of Matter

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will define a mixture and understand why mixtures are different than pure substances. They will classify mixtures as homogeneous or...
eBook
Simon Fraser University

Chem1 Virtual Textbook: Matter: Pure Substances and Mixtures

For Students 9th - 10th
Textbook-like exposition of pure chemical substances and mixtures.
Handout
eSchool Today

E School Today: Elements, Compounds, Substances and Mixtures

For Students 6th - 8th
Learn about the classification of matter based on whether the chemical composition is pure or a mixture. Understand the definitions of elements, compounds, substances, and mixtures, and what the differences are between them. Five types...
Unit Plan
BBC

Bbc: Gcse Bitesize: Purity and Separating Mixtures

For Students 9th - 10th
This lesson focuses on different types of chemical substances, distinguishing between pure substances and mixtures, and changes of temperature based in substance. It provides a link to a test.
Activity
Other

English Montreal School: Chemical vs. Physical Changes: Elements vs. Compounds

For Teachers 9th - 10th
A laboratory experiment where students classify matter into a homogenous mixture, heterogeneous mixture, solution, or pure substance. Also students will test for physical and chemical changes.

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