Curated OER
Chemistry 1 Practice Exam
Thirty multiple-choice questions and their answers are provided in this resource. It was written for a general chemistry course and queries test takers on scientific notation, mixtures, chemical symbols, electric charges, Dalton's atomic...
Curated OER
Atomic Theory
An extremely thorough presentation walks new chemists through the basics of matter. There really isn't a unifying theme, however So many topics are covered: forces, elements, atomic structure, chemical properties, compounds, quarks,...
Curated OER
Classifying Matter
Details about matter and how it is classified are included here. The slides, with differences about homogenous and heterogeneous mixtures, have diagrams to support the definitions and your class will appreciate the summaries to assist...
Baylor College
About Air
Give your class a colorful and tasty representation of the components of the mixture that we call air. Pop a few batches of popcorn in four different colors, one to represent each gas: nitrogen, oxygen, argon, and carbon dioxide. The...
Curated OER
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...
Curated OER
Mixtures
Sixth graders experiment with mixtures. For this chemistry lesson, 6th graders determine which mixtures are considered heterogeneous, a suspension, a solution or a colloid. Students create a data sheet of what they discover.
Curated OER
Classification of Matter
In this classification of matter worksheet, 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.
Curated OER
Patterns in Properties (of elements and compounds)
For this element properties worksheet, learners complete a crossword puzzle with 91 questions related to properties of elements and compounds.
Curated OER
What Are Elements?
Students investigate elements by by defining scientific terms. In this Periodic Table of Elements instructional activity, students utilize a glass of water, and powdered fruit drink to perform a lab activity demonstrating properties of...
Curated OER
Elements and the Periodic Table
Young scholars are introduced to the elements on the Periodic Table and what is meant by element. Using the Table, they identify the name, atomic mass, number and symbol of each element. To end the lesson, they discover the...
Curated OER
Classification of Matter
In this classification of matter worksheet, students answer 5 questions about the composition of matter, solutions, colloids and suspensions, and the properties and changes of matter.
Curated OER
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.
Curated OER
Mixtures
For 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
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 activity includes specific dialogue and steps for the teacher...
Curated OER
Dimensional Analysis Worksheet
For this dimensional analysis worksheet, learners solve six word problems using dimensional analysis to solve for an unknown. These include finding density, and converting from one unit to another. They also categorize samples as...
Curated OER
Compounds and Molecules
In this compounds activity, students compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This activity has 1 fill in the blank and 5 short answer questions.
Curated OER
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.
Curated OER
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.
Curated OER
Separation of Mixtures and Compounds For K Through 12
Students explore mixtures and compounds. In this lesson, students do an experiment to distinguish between mixtures and compounds. Students complete ten different phases of the experiment testing many different substances. Students will...
Curated OER
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...
Curated OER
Chapter 16 Review- General Science
For this review of general science worksheet, students classify examples of matter as mixtures or substances, homogeneous or heterogeneous mixtures, or elements or compounds. Students also convert several examples using the standard...
Curated OER
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...
Curated OER
Mixed Review-Chemistry
In this chemistry review activity, 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.
Curated OER
Chemical Formulas
Here is an interesting lesson which invites learners to focus on understanding and interpreting the symbols used in writing and communicating information about chemical elements, compounds, and equations. The hope is that this knowledge...