Curated OER
Water and Diffusion
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...
Curated OER
Kinetics and Equilibrium
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.
Curated OER
Ozone Layer Day
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...
Curated OER
Molecular Explorations
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.
Creative Chemistry
The Blast Furnace
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.
Curated OER
Water Quality And pH
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...
Curated OER
Diffusion
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.
Curated OER
Water Chemistry
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...
Curated OER
Extraction of DNA from Onion
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
Curated OER
Extraction of DNA from Onion
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.
Curated OER
Mechanical Properties
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...
Other
Science Alive: Pure Substances, Mixtures, and Separations
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...
University of Notre Dame
Und: Properties of a Pure Substance [Pdf]
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...
Other
Science Alive: Pure Substances, Mixtures, and Separations
This series of activities focuses on the separation of mixtures. The activities can be used in a unit on mixtures and pure substances.
Other
Chemsite: Pure Substances vs. Mixtures
An outline on the topics of pure substances and mixtures.
Mocomi & Anibrain Digital Technologies
Mocomi: Pure Substances and Mixtures
Defines matter, substances, and mixtures and gives examples.
Science Education Resource Center at Carleton College
Serc: Lab Investigation Mixture Separation
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.
Simon Fraser University
Chem1 Virtual Textbook: Classification and Properties of Matter
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...
Texas Education Agency
Texas Gateway: Properties: Mixtures
Given descriptions, scenarios, or illustrations of properties, students will distinguish between pure substances and mixtures.
CK-12 Foundation
Ck 12: Classification of Matter
[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...
Simon Fraser University
Chem1 Virtual Textbook: Matter: Pure Substances and Mixtures
Textbook-like exposition of pure chemical substances and mixtures.
eSchool Today
E School Today: Elements, Compounds, Substances and Mixtures
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...
BBC
Bbc: Gcse Bitesize: Purity and Separating Mixtures
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.
Other
English Montreal School: Chemical vs. Physical Changes: Elements vs. Compounds
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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