Curated OER
Nutrition Action - Safe Food Quiz
Multiple-choice and true-false questions assess your high schoolers' understanding of food safety. This is an interactive worksheet in which learners can click on the correct answers to discover explanations. You could type the questions...
Scholastic
Analyzing Media Messages
Telling young people to just say no can be difficult in a world that inundates them with messages to just say yes. A lesson on media messages encourages teenagers to analyze song lyrics and advertisements that mention drugs and/or...
Curated OER
Making Sense of Density
Students identify the concepts of density, mass, and volume that define the property of a substance. They also determine that the properties of materials, such as, density and volume, can be compared and measured by using rulers,...
Curated OER
Chapter 16 Review- General Science
In this review of general science learning exercise, students classify examples of matter as mixtures or substances, homogeneous or heterogeneous mixtures, or elements or compounds. Students also convert several examples using the...
Curated OER
SEPARATION OF A STARCH-GLUCOSE MIXTURE USING GEL FILTRATION
Students make a starch-glucose solution and pour it through gel in order to separate the starch from the glucose. They examine how starch is a larger molecule than glucose and test for the presence of these substances using other...
Curated OER
Cation Separation and Identification
Students conduct an experiment in which they systematically separate cations from a mixture of substances. They use the following types of reactions to do so: precipitation, acids and bases, oxidation and reduction. They compare a...
Curated OER
Separating a Starch-Glucose Mixture Using Gel Filtration
Students experiment using the basic principles of gel filtration. They use the gel filtration technique for testing for the presence of specific substances. Students discover that starch is a larger molecule than glucose.
Curated OER
Mixtures
In this chemistry worksheet, students use the clues given at the bottom of the sheet to complete the crossword puzzle on mixtures. There are 18 clues to solve on the sheet.
Curated OER
11 - The Heat Is On
Students observe physical change of melting by observing substance in original state, melting substance, allowing substance to return to original temperature, determining if substance retained its original properties, and recording results.
Curated OER
Seashore Explorers
There are three separate lessons within this resource that can be used together, or that can each stand alone. In the first, five simple activities allow junior scientists to examine the amazing properties of water. In the second, they...
Curated OER
Thin Layer Chromatography (TLC)
Students study flavinoids and how they exist in the plant kingdom. In this pigment lesson students complete a lab activity to see how flavinoids move in substances then record their observations.
Steered Straight
Marijuana Awareness
February is Marijuana Awareness Month, and a set of interdisciplinary activities can make your class aware of the social, medical, legal, and psychological effects of marijuana. With writing prompts, research opportunities, and...
Curated OER
Color Burst
Students gain experience in asking questions and conducting inquiry by exploring the separation of colors in water and other solvents; to communicate and share findings of student investigations.
Curated OER
Marvelous Mixtures
Fifth graders design an experiment in which they separate mixtures. In this mixtures lesson, 5th graders define mixtures, solutions, solutes, and solvents. They watch a video, complete worksheets, and perform an experiment to separate...
Curated OER
Chromatography
Students use chromatography to separate substances in Kool-Aid, Crayola markers and leaves. In this chromatography lesson plan, students make chromatograms to separate substances in a mixture through absorption. Students find the Rf...
Curated OER
T-Shirt Chromatography
Students study about chromatography, a process used to separate mixtures. They see that chromatography is used to detect, separate or purify different substances. This nice lesson results in a beautiful t-shirt for each student!
Curated OER
See Spot Run
Students identify several properties of water as a universal substance, describe the composition of several complex color mixtures and separate the components of dye using chromatographic technique.
Curated OER
Mixtures of Matter
Learners experiment with mixtures of matter. For this matter lesson, students investigate which liquids form a solution when mixed together and which do not. Learners also identify which solids can be separated from matter.
Curated OER
Straw Chromatography
Students become acquainted with the principles of liquid chromatography and construct a liquid chromatography column. Students also investigate the effects of different solvents and solvent concentrations in the separation process.
Curated OER
Ready, Set, Let's Dough! It's a Matter of System
Students explore physical sciences by participating in a class experiment. In this matter lesson, students identify the three forms of matter and their physical differences. Students utilize cookie dough to create a play dough like...
Curated OER
Matter and Energy
For this matter and energy worksheet, students identify substances as solids, liquids or gases, they use the kinetic theory to describe the motion of particles and they explain the conservation of mass and energy when a substance changes...
Curated OER
The Science Behind Glow-in-the-Dark Toys
In this glow-in-the-dark activity, students read about substances that phosphor and their characteristics. Students also read about photo luminescence and glow-in-the-dark toys. They answer 6 questions about the light emitted by...
Curated OER
The Great Heat Escape
Students observe a demonstration on the role of thermal conductivity in heat transfer. In this thermal conductivity lesson plan, students design and conduct an experiment to compare the thermal conductivity of four substances. Lesson...
Curated OER
Chemistry: Acids and Alkalis
Students identify substances that are acids and alkalis. In this acids and alkalis lesson, students conduct tests to determine if given substances are acids or alkalis. They test substances and explain the different qualities that make...