Curated OER
The Causes of Differences in Density
Students explore what causes differences in density. They observe an models depecting atoms, compounds, and molecules. Students determine if there is air in between atomic bonds. They study the structure and spacing of molecular bonds.
Curated OER
Lewis Structure Worksheet
In this chemistry worksheet, students draw the Lewis structures of 11 compounds and polyatomic ions. They calculate the formal charge of each atom.
Curated OER
Simple Chemical Equations
Eighth graders interpret the chemical symbols and shorthand used for molecules and equations. Through guided practice, 8th graders work to decipher and interpret the symbols for chemical equations. An opportunity for independent...
Curated OER
Bonding
In this word search worksheet, students locate 12 words related to molecular bonding. Words include molecule, ions, forces, polarity, partial, and particles.
Curated OER
Chemical Elements
In this elements worksheet, students determine the number of moles and the number of protons, electrons, and neutrons for given atoms or ions. Students calculate the atomic weight of an element. This worksheet has 3 fill in the blank and...
Curated OER
Chemical Reactions and Burning Fossil Fuels
In this chemistry learning exercise, students select answers to 24 multiple choice questions using the drop down box. They identify the different atoms involved in the chemical reaction.
Curated OER
High School Chemistry Questions
In this chemistry worksheet, students determine the number of water molecules is a given volume of water. Students determine the empirical formula for given compounds from the percentage mass of elements. This worksheet has 20 problems...
Curated OER
The Importance of Carbon
This carbon PowerPoint shows the bonds formed by Carbon and lists the different attachments that replace the atoms to change the properties and function.
Curated OER
Lewis Structures
In this Lewis structures worksheet, students are given forty molecules. They must draw the Lewis structures, identify multiple bonds and draw resonance structures.
Curated OER
Physical and Chemical Changes-Notes
In this physical and chemical change learning exercise, students watch a movie called the "Brain POP" about property changes and fill in the blanks to complete 8 sentences which are examples of chemical and physical changes.
Curated OER
Water Cycle
Young scientists explore Earth elements by conducting an experiment. They define water vocabulary terms such as condensation and precipitation. In addition, they conduct a water experiment in which they build a terrarium, so they can...
Curated OER
Periodic Table of the Elements
First graders discuss, at their level, the concept of elements making up all matter. They discover the story of Dimitri Mendeleev and his discovery of the Periodic Table of the Elements. They locate and color some of the most common...
Curated OER
Physical Changes to Matter
Pupils explore matter by conducting an in-class experiment. They experiment with water's various forms by melting and freezing water, identifying its new shape. These observations are recorded to supplement later discussion. They also...
Curated OER
Super Scientists Code
In this science worksheet, middle schoolers use the key code on the right to unscramble each of the scientists. They also match each of the scientists found to their correct description.
Curated OER
The Chemical Nature of Water
Seventh graders simulate a Jeopardy game to examine the chemical nature of water. Among the topics featured are evaporation, water, salt, and temperature. finally, as review, 7th graders answer a battery of questions presented by the...
Curated OER
Cellular Respiration and Photosynthesis
In this cellular respiration and photosynthesis worksheet, students read through the presented material and draw an illustration of the production of ATP. Students answer several short answer questions about the production of ATP,...
Curated OER
Chemistry Word Search
In this chemistry worksheet, students locate and identify various vocabulary terms related to chemistry. There are nine words/phrases located in the puzzle to find.
Curated OER
Compounds and Molecules
In this compounds worksheet, students compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This worksheet has 1 fill in the blank and 5 short answer questions.
Curated OER
Unit 3 Bonding
An organized table charting the different types of chemical bonds arrays this resource. The octet rule, ionization energy, and the naming of compounds are also reviewed. Young chemists answer review questions in multiple choice fashion....
Cornell University
Study Soil
What's in soil? Young scientists study the pH levels of soil from their school yard. They observe the land and area the soil came from to decide if location has anything to do with acidity level.
Curated OER
Ranking Molecular Properties Based Upon Intermolecular Forces
A splendid chart of information about chemical bonding tops the first page. In it you will find information on London forces, permanent dipoles, hydrogen bonds, ionic bonds, and covalent bonds. A four-step process for assigning...
National Institute of Open Schooling
Chemical Bonding
Name is Bond, covalent bond. Through readings and answering questions, classes explore the different types of chemical bonds, their characteristics, valence shell electron pair repulsion theory, and atomic orbitals.
Biology Junction
Biochemistry of Cells
Chemistry and biology work hand in hand, without one you literally wouldn't have the other. Using a presentation, individuals learn about plant cells, animal cells, cell responses, macromolecules, DNA bases, and so much more. A worksheet...
Biology Junction
Water Properties and More
Did you know many insects use cohesion or surface tension to walk on water? Using a presentation, scholars learn the more important properties of water. It extends into the concepts of solutions, suspensions, pH, and more.