Curated OER
Combining Atoms
In this atoms worksheet, students explore the different types of bonds, name compounds, and determine charges of molecules. This worksheet has 8 true or false, 9 fill in the blank, and 5 short answer questions.
Virginia Department of Education
Soap, Slime, and Creative Chromatography
Do you think chromatography paper suffers from separation anxiety? Young chemists make soap, slime, silly putty, and experiment with chromatography in this lesson. The material includes clear instructions for each experiment along with...
Virginia Department of Education
Aspirin Analysis
Laughter may be the best medicine, but aspirin is also important. Young chemists analyze aspirin tablets using titration in this lab experiment. They then repeat the entire experiment using a different aspirin brand.
Virginia Department of Education
Macromolecules
Finally, a chance for the class to play with their food! Allow pupils to simulate stomach acid with common foods, and introduce specific macromolecules into the mixture to explore characteristics of carbohydrates, lipids,...
Virginia Department of Education
Heat Transfer and Heat Capacity
It's time to increase the heat! Young chemists demonstrate heat transfer and heat capacity in an activity-packed lab, showing the transitions between solid, liquid, and gaseous phases of materials. Individuals plot data as the...
Curated OER
Measuring Vibration of Energy
In this chemistry activity, students measure the different vibration levels of energy. They use the fundamental vibration frequency formula to calculate the Morse potential for a given chemical bond. There are 2 questions.
Curated OER
Chemistry Review
In this chemistry overview activity, students review stoichiometry, states of matter, thermochemistry, gas laws, chemical bonding, molarity, chemical equilibria, and kinetics. This activity has 41 problems to solve.
Curated OER
Standard 4-Photosynthesis, Diseases and the Immune System
In this photosynthesis, disease and Immune System worksheet, students fill in the blanks with key terms to complete sentences about the transfer of energy from the sun to plants, enzymes as catalysts in reactions, homeostasis, the immune...
Curated OER
WS 10.3 Isomers
In this isomer worksheet, students draw as many different isomers for thirty given molecules and indicate how many isomers are possible.
Curated OER
The World of Molecules
Students investigate molecules through 2 demonstrations and writing formulas for molecules given the oxidation states of the atoms. In this molecules lesson plan, students observe iron filings being separated from salt and pepper using a...
Curated OER
More Names and Formulas!
In this compounds worksheet, students write the correct name or the correct formula for the given compounds. Students complete 20 problems.
Curated OER
Writing Formulas by Crossing Over
In this formulas learning exercise, students use the cross-over rule to determine the formula for compounds of the elements and polyatomic ions given. Students complete 15 problems.
Curated OER
Atoms or Molecules?
In this scientific investigation worksheet, learners follow the provided procedures to examine the chemical reactions of hydrogen and oxygen atoms and then respond to 1 short answer question.
Curated OER
Atoms and Their Interactions
In this atoms worksheet, high schoolers will review the characteristics of elements, atoms, and isotopes. Then students will compare the difference between ionic and covalent bonds. Finally, high schoolers will balance a chemical...
Curated OER
Ionic Compounds
In this compounds worksheet, students review the structure and properties of ionic compounds, their formulas and nomenclature, and molecular mass and percentage composition. This worksheet has 4 short answer questions and 7 problems to...
Curated OER
Unit 4 - Periodic Table
There are 17 multiple choice questions on this periodic table test. The focus is on properties of the elements by group and period. The exam is not formatted well, making it a little difficult to read. There is also a typographical...
Curated OER
Science: What Happens to Create the Lode?
Students understand how mineral deposits are formed and why they are not evenly dispersed. They create and describe three different precipitates from four solutions simulating mineral ore deposit formation in sedimentary rock.
Curated OER
The Influence of Initiator Concentration on the Molecular Weight of Polystyrene
This in-depth organic chemistry lab walks learners through an investigation of the effect of initiator concentration on the resulting molecular weight of polystyrene. It is important that you use this lesson with experienced chemistry...
US Environmental Protection Agency
Carbon Through the Seasons
Meteorologists view an animated video by the Environmental Protection Agency to learn how the carbon cycle works, and then move into groups to analyze and graph actual data of the atmospheric carbon dioxide concentration from Hawaii's...
Curated OER
2007 U.S. National Chemistry Olympiad Part II
Eight multi-step chemistry problems, including analyzing a titration, writing equations, predicting products and limiting reagents, calculating concentrations of ions, and using stoichiometry to solve for unknowns in reactions make up...
Curated OER
2008 U.S. National Chemistry Olympiad Part I
In this chemistry Olympiad worksheet, students solve sixty multiple choice questions on a variety of chemistry topics from finding molarity of solutions to calculating products of reactions. Students are given graphs, equations, reaction...
Curated OER
2008 U.S. National Chemistry Olympiad Part III
In this chemistry olympiad lab learning exercise, chemists are required to design two experiments. In one, they design an experiment to identify seven solutions given to them in pipettes. In the other, they design an experiment to...
Curated OER
2004 U.S. National Chemistry Olympiad - Local Section Exam
In this National Olympiad exam worksheet, chemistry apprentices answer sixty multiple choice questions including general chemistry topics such as atomic structure, gases, problem solving, writing and balancing equations and solutions....
California Academy of Science
Ocean Acidification Mock Conference
In a comprehensive role playing activity, teens play the parts of different stakeholders in the realm of acidic oceans. They research, debate, and create a presentation from the perspective of either ocean organisms, the fishing...