Curated OER
Kitchen Electrophoresis
Students investigate and explain the differences active transport versus passive transport. This lesson includes an individual and group activity. The basic steps of electrophores is the focus of inquiry. Identification of the pure...
Curated OER
Practice Sheet: Colligative Properties
In this colligative properties worksheet, students solve eight problems. They calculate molarity, molality and grams of substances in addition to using colligative properties to calculate solutions.
Curated OER
What Are Elements?
Students investigate elements by by defining scientific terms. In this Periodic Table of Elements lesson, students utilize a glass of water, and powdered fruit drink to perform a lab activity demonstrating properties of certain...
Curated OER
Water Unit
In this water worksheet, students review the properties of water including the density, boiling point, and evaporation. Students define mixture, solute, and solvent. This worksheet has 22 short answer questions.
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.
Curated OER
Production of Hydrogen
Students generate hydrogen gas and examine some of its properities through an experiment. In the experiment, a wood splint is lit along with a candle, then the reaction occurs within the mixture. There are questions for the student to...
Cornell University
Chemical Reactions
Investigate the Law of Conservation of Mass through a lab exploration. Individuals combine materials to initiate chemical reactions. They monitor for signs of reactions and measure the masses before and after the reactions for...
Curated OER
Learning Outcomes
In this science worksheet, students explore the learning outcomes for a unit on chemical reactions. Students define 60 vocabulary words and answer a list of questions for each topic.
Curated OER
The Ties that Bind
In this bonding worksheet, students read about the types of bonds that hold compounds together. They are given fifteen common materials and they identify the types of bonds that hold each together.
Curated OER
What Is The Matter?
Students engage in a activity about the scientific concept of matter. They use essential questions in order to guide the research process. Students engage in several class inquiries that are hands on in order to investigate the...
Curated OER
Acid Rain And Plants
Students observe the effects of acid rain on plants. They simulate an experiment using vinegar or lemon water. They observe the impact of acids on plants and recognize how acid rain can affect the environment. They examine their plants...
Curated OER
A Solution for Moles
Students calculate the concentration of different solutions. In this chemistry lesson, students explain what a solution is. They explain ways to change the concentration of a solution.
Curated OER
Particle Theory of Matter
In this science word search worksheet, students identify and locate words in a puzzle that relate to particle theory of matter. There are 24 words to locate in the puzzle and spell correctly.
Curated OER
Nuclear Reactions
In this nuclear reaction worksheet, students determine the missing particle from the reaction and then name that particle. This worksheet has 18 problems to solve.
Curated OER
Chemistry: Knowledge Quiz
For this chemistry quiz worksheet, students complete a set of 10 multiple choice questions covering a variety of chemistry concepts.
Curated OER
Water Chemistry
Students engage in a lesson 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 three different...
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.
Texas Education Agency
Texas Gateway: Properties: Mixtures
Given descriptions, scenarios, or illustrations of properties, students will distinguish between pure substances and mixtures.
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...
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.
Mocomi & Anibrain Digital Technologies
Mocomi: Pure Substances and Mixtures
Defines matter, substances, and mixtures and gives examples.
Other
Chemsite: Pure Substances vs. Mixtures
An outline on the topics of 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...