Curated OER
Chemical Bonding and Shapes of Molecules
In this chemical bonding worksheet, students review the different types of bonds and calculate the number of valence electrons in molecules. This worksheet has 11 matching and 15 multiple choice questions.
Curated OER
Differentiate Elements, Compounds, and Mixtures
Pupils examine the differences between elements, compounds and mixtures. Using diagrams, they compare and contrast atoms and molecules and describe various chemical reactions. They distinguish the differences between ionic and covalent...
Curated OER
Biologically Important Molecules
In this biologically important molecules learning exercise, students fill in the blank with information about carbohydrates, lipids, and proteins. Students also make notes about nucleic acids.
Royal Society of Chemistry
Shapes of Molecules—Distortion from the Pure Geometry
Ready to introduce the realities of molecular geometry to chemistry pupils? Use a logic-based interactive! Perfect as individual practice, the puzzles explore the bond angles and repulsions present in three common molecular shapes.
Curated OER
Atomic Models
Learners explain scientists' ideas about the structure of the atom over the last century. They develop a pictorial history of the changing ideas about the atom and write a caption describing the scientific thinking behind the model.
Curated OER
Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...
Curated OER
Molecule Models: Model to Formula and Model to Formula
In this science molecule models worksheet, student convert 8 molecule models to chemical formulas and 8 chemical formulas to molecule models.
Curated OER
Elements and Compounds Vocabulary Quiz
For 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
Balancing Equations Challenge
In this balancing equations worksheet, students identify the number of atoms in given molecules and compounds and they balance ten equations by placing the proper coefficients in front of the reactants and products.
Curated OER
Matter, Matter
Learners define vocabulary related to the parts of the atom. In this matter instructional activity, students navigate the web to find the structure and the forces that affect atoms. Learners complete an experiment with...
Curated OER
Boron and Oxygen Atoms
For this atom molecule worksheet, students will use a boron atom diagram to answer three fill-in-the-blank questions. Then students will label the protons, neutrons, and electrons on an oxygen atom diagram.
Curated OER
Chemical Formula Practice #1/Bonding Basics Practice Page
The first of two worksheets methodically prepares chemistry novices for naming polyatomic compounds. It begins by having them acknowledge the number of each atom contained in a molecule. Then learners list the valence electrons for a...
Curated OER
Different Minerals
In this minerals worksheet, students read about the relationship between elements, rocks and minerals. They experiment using 6 different colored gumdrops to represent 6 common elements. Students construct gumdrop and toothpick models of...
Curated OER
What's Matter?
Learners explore many of the basic properties of matter including atoms, ions, elements, molecules, and density. The class explores an interactive flash-animated Web site to answer questions and clarify misconceptions they might have had...
Curated OER
Interpreting Chemical Formulas
In this chemical formulas instructional activity, students determine the number and type of each atom and the total number of atoms for the given formulas. Students complete 10 problems.
Curated OER
Chemical Changes in Matter
In this matter and chemical changes activity, students write symbols and formulas for 2 chemical reactions. They write words for 1 chemical reaction given in symbols and formulas. They draw a diagram representing a chemical reaction and...
Curated OER
Main Group: Properties and Reactivity
In this main group worksheet, students apply their knowledge of the organization of the periodic table to correctly answer 30 multiple choice questions. Students relate information about the properties of the different groups and their...
Curated OER
Electron Dot Structures/Lewis Structures
In this elements learning exercise, students practice drawing electron dot structures for atoms. Students draw the Lewis Structures for molecules with single and multiple bonds plus polyatomic ions. This learning exercise has 33 problems...
Curated OER
What is Matter?
For 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.
Curated OER
Physical Science Project-Atom
Fifth graders investigate atoms. In this atom lesson, 5th graders investigate the parts of an atom. Students explore atom numbers and determine the number of electrons is in each atom.
Curated OER
Science Multiple Choice Definitions Worksheets
In this science worksheet, students choose the multiple choice answer that best defines each of 15 science related vocabulary words.
Normal Community High School
Classification of Matter
Steel is an example of homogeneous mixture, also called an alloy, which is made of iron and carbon. The presentation introduces learners to elements, compounds, and mixtures. They explore their similarities and differences, and then take...
Cornell University
The Making of Macromolecules
Compare and contrast macromolecules made from the same elements. Young scholars learn how the structure of a molecule has as much influence on a compound as the elements in the molecule. They experiment with molecular model kits to...