Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your...
Curated OER
Bonding Basics - Covalent Bonds
For this chemistry worksheet, students complete the chart for each of the given elements by naming the number of protons, electrons, Valence electrons, and the electrons used to fill the outer shell. Then they complete each covalent bond...
Curated OER
Worksheet Heat of Reaction (Bond Energies)
In this bond energies worksheet, students analyze bond enthalpy data in order to estimate the change in heat, in kilojoules, of three different chemical reactions.
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Ionic Bonding
In this ionic bonding worksheet, high schoolers review the characteristics of ionic bonding, draw Lewis dot diagrams for elements, and write the chemical formula for ionic compounds. This worksheet has 8 drawings, 14 fill in the blank,...
Biology Junction
Biochemistry Crossword
In this biochemistry worksheet, learners complete a crossword puzzle with 36 questions. They identify different polymers and functional groups.
Curated OER
Chemical Compounds
In this chemical compounds worksheet, students write the name of compounds from their chemical formula, balance equations, write electronic configurations for elements, and draw Lewis dot structures. This worksheet has 8 fill in the...
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What Information is on the Periodic Table?
In this elements instructional activity, students review the information that is found on a periodic table including atomic mass, chemical symbol, atomic, number, and electron configuration. This instructional activity has 7 fill in the...
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Naming II-More Practice
In this naming chemical compounds worksheet, students are given 10 pairs of elements that bond and students write the formulas and the names of each compound. Students practice writing the formulas for compounds given the names and they...
Teach Engineering
Density and Miscibility
The liquids did not mix — so what do density columns have to do with it? The seventh part in a series of nine provides the theoretical explanation of why density columns do not mix. The lesson covers the topics related to...
Curated OER
Thermodynamic Calculations for Chemical Reactions and Phase Changes
In this thermodynamics worksheet, students describe the reactions given and then determine the thermodynamic calculations. This worksheet has 14 problems to solve.
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Chemical Elements and Compounds Crossword
For this elements worksheet, students complete a crossword puzzle by figuring out the vocabulary words associated with the 25 clues given.
Serendip
Photosynthesis and Cellular Respiration
How does energy from the sun make plants grow? Scholars move step by step through the processes that promote plant propagation during a detailed lesson. The resource illustrates ADP production and hydrolysis, then allows learners to...
Curated OER
Periodic Table Basics Test
The periodic table of elements is a vital tool for all chemistry apprentices and professionals alike. Here is a chance for your beginning chemists to assess their understanding of the periodic table. They list element names, symbols,...
National Institute of Open Schooling
Nomenclature and General Principles
Carbon, the base for all organic compounds, exists in nature in its purest form as graphite or diamonds. The 25th lesson in a series of 36 teaches pupils the nomenclature of organic compounds. Learners read about how to use the IUPAC...
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Organic Chemistry I: Problem Set 17-alkenes
In this organic chemistry of alkenes worksheet, students name and write the chemical formulas for 12 alkenes and then complete 3 short answer questions about the saturation of alkene compounds.
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Formulas
There are two sheets here, with 100 problems total. The first half is a list of compounds, and your young chemists should write the chemical formula for each. The next fifty give the formula and the name is required. You...
National Institute of Open Schooling
General Characteristics of the p-Block Elements
The 20th installment in a series of 36 focuses on the characteristics of the p-block elements. Learners discuss, read about, and answer questions pertaining to the occurrence of these elements in nature, their electron configurations,...
Curated OER
A Potpourri of Thermo Questions
For this thermodynamics worksheet, students match terms to their definitions such as enthalpy, equilibrium, bond energy, and heat capacity. This worksheet has 20 words to match.
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Recognizing Polar Molecules
In this polar molecules worksheet, learners complete a graphic organizer by writing in the bond type, electron dot diagram, and the type of compound for the chemical compounds given.
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Hybridization
In this chemical compounds worksheet, students draw the Lewis structure and "cloud" structures for given compounds. Then students match the Lewis structure with the correct cloud diagrams. This worksheet has 2 problems to solve.
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Endothermic or Exothermic Reactions
In this chemical reaction worksheet, students determine if given reactions are endothermic or exothermic reactions. Students determine the energy released or consumed when chemical reactions occur. This worksheet has 5 problems to solve.
Curated OER
Periodic Table
In this periodic table worksheet, students are given 12 terms and must match the terms to their appropriate definition. Topics include types of bonds, types of elements, and types of ions.
Curated OER
Science Quiz-General Knowledge
In this science quiz worksheet, learners complete a set of 20 true or false questions covering a variety of general science topics. An answer key is included.
Curated OER
More Thermochemistry Problems
This two-page assignment covers basic thermochemistry concepts. Chemistry learners identify exothermic and endothermic processes, explain a phase change graph, and draw an energy level diagram. There are no problems to solve, just...