Curated OER
Crystallization
Eighth graders analyze physical change in mass. In this chemistry activity, 8th graders describe, measure and calculate the amount of physical change occurring in mass before and after the change. Students should be familiar with...
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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.
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A Compound Problem
In this compounds worksheet, students compare the differences between compounds and mixtures. This worksheet has 3 short answer questions.
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Elements And Atoms
Students investigate the concept of elements and atoms. They conduct research using a variety of resources and use the information in order to create a class presentation. The lesson includes specific dialogue and steps for the teacher...
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Up and Atom
"Up and Atom" is a mini-unit introducing middle-schoolers to the wonders of elements. Participants draw atom models, examine the periodic table, compare samples of metals to nonmetals, identify unknown elements, and more! The beginning...
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WS 8.7 Solutions, Colloids and Suspensions
In this solutions, suspensions and colloids worksheet, students use diagrams to show how particles are different in each of these mixtures. They also distinguish between characteristics of each of these types of mixtures and categorize...
CK-12 Foundation
Air Matters
What makes up the air we breathe? Young scientists explore the atoms and molecules in the air. An interactive lesson allows individuals to watch the movement of the particles in the air and change the makeup from a mixture to a compound....
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Classification of Changes
In this classification of changes worksheet, students identify each example as either chemical or physical changes. Students also classify other examples as either element, compound, solution, colloid, or suspensions. In the other...
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Composition of Matter Worksheet
In this matter activity, students complete a table in which they compare elements, compounds, and mixtures. Once table is finished, they answer 6 fill in the blank questions.
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Elements and Compounds Vocabulary Quiz
In this science vocabulary worksheet, students draw lines to match 9 words pertaining to elements and compounds to their definitions.
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Elements and Compounds Vocabulary List and Definitions
In this chemistry worksheet, students read ten vocabulary words and definitions pertaining to elements and compounds. There are no questions to answer.
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What Are Elements?
Students investigate elements by by defining scientific terms. Â 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...
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Physical and Chemical Changes in Food
Ninth graders study food mixtures and substances in order to identify atoms, molecules, elements, and compounds and recognize physical changes that take place in foods.
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Separation of Mixtures and Compounds For K Through 12
Learners explore mixtures and compounds. For this lesson, students do an experiment to distinguish between mixtures and compounds. Learners complete ten different phases of the experiment testing many different substances. Students will...
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Lab: Percent of Composition of KClO3
Students find the percent of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a solution of potassium chlorate using a catalyst, manganese dioxide, to decompose the potassium chlorate and release...
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What is Matter?
In this matter worksheet, students answer 6 questions about matter. Students distinguish between homogeneous and heterogeneous mixtures, they identify elements and compounds and they distinguish between pure substances and mixtures.
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Classification of Matter
In this classification of matter learning exercise, students answer 15 questions about solids, liquids and gases, types of mixtures and compounds vs. elements. They also answer 2 questions about measurement and 1 question about a biome.
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Chapter 3 Worksheet Matter
In this matter worksheet, students answer ten questions about matter including the phase of matter, mixtures and how they are different from compounds, the physical and chemical properties of matter and the difference between homogeneous...
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Mixed Review-Chemistry
In this chemistry review worksheet, students answer a variety of questions about matter, elements, the kinetic theory, chemical and physical properties and the distillation process. They complete a concept map about matter.
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Compounds and Mixtures Notes
In this matter worksheet, students watch a movie and then compare the differences between compounds and mixtures. This worksheet has 16 fill in the blank questions.
Teach Engineering
Engineering and the Periodic Table
Elements, to the rescue! Scholars first review the periodic table, and then learn about the first 20 elements and their properties and uses in the fourth of six lessons in the Mixtures and Solutions unit. Applying their newfound...
Teach Engineering
Alloy Advantage
Mix it up by using an intriguing resource that teaches young metallurgists that alloys are a metal mixture. They learn about the advantages of using alloys over pure metals and investigate titanium alloys as an example to finish the...
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The Structure of Matter
In this matter learning exercise, students compare and contrast chemical and physical properties and explain the relationship between a pure substance and a mixture. Students review the properties of metals and nonmetals. This learning...
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Density Studies of the Earth
Density comes to life as investigators place soda cans into containers of various liquids to find if they sink or float. They layer different density liquids, compare densities of different gases, and more. A total of six different...