+
Activity
It's About Time

Elements and Compounds

For Teachers 7th - 12th Standards
Young scientists use electrolysis to separate water into its elements before experimenting with fire to learn about their properties. A helpful resource provides a reading passage and analysis questions. 
+
Lesson Plan
Curated OER

Chemistry 1 Practice Exam

For Teachers 9th - 12th
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...
+
Lesson Plan
Curated OER

Organic Chemistry II Exam 3

For Teachers 11th - Higher Ed
In this chemistry worksheet, students determine which compound is the most acidic in each multiple choice question. Then they determine what the major product would be in each of the reactions stated on the sheet.
+
Worksheet
Curated OER

WS 8.4 Percentage Problems

For Students 10th - 12th
In this percentage instructional activity, students calculate percentages given various types of problems. They calculate percent of compounds in a solution, they calculate mass of compounds given percentages of solutions, and they...
+
PPT
Curated OER

Atomic Theory

For Teachers 7th - 12th
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,...
+
Lesson Plan
Alabama Learning Exchange

Float or Sink?

For Teachers 5th - 8th Standards
Experiment with mass and density as scholars figure out what makes things float or sink. First, they watch a podcast introducing these concepts. Be sure to use the comprehension question to test their understanding. Young scientists...
+
Worksheet
Curated OER

Chapter 13 Review, Section 2: Ions in Aqueous Solutions and Colligative Properties

For Students 9th - 12th
Here is a general chemistry activity that incorporates practical applications. Four questions employ critical thinking about solutions, boiling and freezing points, and molar mass. Your class will practice what they learn in class by...
+
Unit Plan
Columbus City Schools

To Measure its Mass or Volume?

For Teachers 6th Standards
Atoms, elements, and molecules, oh my! Teaching the fundamentals of chemistry to curious sixth graders has never been easier to accomplish. Here is a resource that pulls together everything needed to get them off to a good start,...
+
Lesson Plan
Kenan Fellows

Determining the Atomic Mass of Elements in a Compound Using Matrices

For Teachers 9th - 12th Standards
Scholars apply concepts learned in both Algebra II and Chemistry to answer the questions on the provided worksheet. The activity allows for extra practice in both classes and helps connect concepts usually taught in isolation. The...
+
Lesson Plan
Curated OER

Relative Masses

For Teachers 9th - 12th
Learners investigate relative mass using 8 different items. In this relative masses lesson plan, students discuss as a class John Dalton's atomic theory. They take the masses of the 8 items and record their data. They discuss relative...
+
Worksheet
Curated OER

Reacting Masses Problems

For Students 9th - Higher Ed
In this chemical reactions worksheet, students follow steps to determine the mass of compounds formed by the combustion of an element. This worksheet has 5 problems to solve.
+
Worksheet
Curated OER

Quiz 1-Problem Solving and Naming Compounds

For Students 11th - Higher Ed
In this problem solving worksheet, learners are given five problems including calculating volume given the dimensions of a pool, determining the number of subatomic particles in an atom, filling in a table with chemical names and...
+
Lesson Plan
Curated OER

Compound Words

For Teachers 1st
First graders read newspaper articles and locate compound words. They break the words into two parts, then draw pictures of the two words.
+
Worksheet
Curated OER

Converting Amount to Mass

For Students 10th - 12th
In this elements activity, students practice converting a given amount of an element to the mass using its molar mass. This activity has 12 problems to solve.
+
Worksheet
Curated OER

Elements, Compounds, and Mixtures

For Students 7th - 8th
For this elements, compounds, and mixtures worksheet, students answer questions about the properties of elements, mixtures, and compounds. Students identify the physical changes that is made to a substance to determine if it is an element.
+
Worksheet
Curated OER

Formula or Molar Mass

For Students 10th - 11th
In this activity about molar mass, students find the molar mass or formula for 10 chemical compounds. This activity is printable and the answers are not available.
+
Worksheet
Curated OER

Percentage Composition and Empirical & Molecular Formula

For Students 10th - 12th
In this compounds instructional activity, learners determine the empirical and molecular formulas for given compounds. This instructional activity has 10 problems to solve.
+
PPT
Curated OER

The Mole

For Teachers 9th - 12th
This compact collection of slides explains the history and use of the mole unit. Relative atomic mass, as John Dalton understood it, is explained. Avogadro's number is also introduced. The mole, or the unit for the amount of a substance,...
+
Worksheet
Curated OER

Percentage Composition

For Students 9th - 12th
In this chemical compounds worksheet, high schoolers determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This worksheet has 10 problems to solve.
+
PPT
Curated OER

Chemical Quantities

For Teachers 9th - 12th
Prepare your chemistry charges for stoichiometry with this PowerPoint. The objective is to be able to calculate molar mass for different compounds. Beginning with the foundational definition of moles and moving through atomic and...
+
Worksheet
Curated OER

Atoms and Chemical Bonding

For Students 9th - 12th
An online resource, this worksheet has your chemistry learners complete four data tables with information about atoms and chemical bonds. The first table addresses atomic number and mass, as well as numbers of protons, neutrons, and...
+
Worksheet
Curated OER

Chemistry 115 Practice Exam 3

For Students 9th - 12th
Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...
+
Worksheet
Curated OER

The Ideal Gas Law

For Students 9th - 12th
In this gas law worksheet, students apply the Ideal Gas Law by determine the volume, mass, or pressure of the given gases. This worksheet has 5 problems to solve.
+
Lesson Plan
Curated OER

A Whiff of Danger

For Teachers 9th - Higher Ed
Public health trainees read and write a summary of the article, "A Whiff of Danger". The article is not available through the link, but can be found on the National Center for Biotechnology Information website. After summarizing,...