Curated OER
Chemistry and Bonding
In this bonding worksheet, students take an interactive quiz with 15 multiple choice questions about the VSEPR Theory, bonding, the geometry of molecules, Lewis structures, resonance structures and enthalpy changes.
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Electron Dot Structures/Lewis Structures
In this elements worksheet, students practice drawing electron dot structures for atoms. Students draw the Lewis Structures for molecules with single and multiple bonds plus polyatomic ions. This worksheet has 33 problems to solve.
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Binary Compounds
Binary compounds are explained with the periodic table, atomic charges, and examples. Viewers are taught to name binary compounds and then are presented with a chart of cations and ions. Finally, they see a few photos of forms of silicon...
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Biochemistry Assignment
In this biochemistry worksheet, students complete a table by filling in the missing information about different elements. Students draw the Bohr diagram and the Lewis dot diagram for several atoms.
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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.
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Water and Diffusion
For this water and diffusion worksheet, students will explore the characteristics of water and the water molecule. Students will also answer questions about diffusion and the movement of materials due to concentration differences. This...
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Stellar Fingerprints: the Spectra of Stars
Students explain how an element can be identified using emission spectra. They relate the emission spectrum of hydrogen to its absorption spectrum and identify hydrogen absorption lines in the spectrum of stars.
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Interpreting Chemical Formulas
In this chemical formulas worksheet, students practice naming molecular compounds by their formulas and determine if a gas is a compound or an element. This worksheet has 13 fill in the blank questions.
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Stoichiometry
In this stoichiometry worksheet, students calculate balance the chemical equations and then calculate the moles needed to complete or activate the chemical reaction. Students also calculate the volume or grams needed for each chemical...
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Properties of Covalent Compounds
In this compounds instructional activity, students compare the differences between and ionic compound and a covalent compound. Students explain bond dissociation energy. This instructional activity has 5 short answer questions.
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Earth and Beyond
In this earth and beyond worksheet, learners answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the scientist who...
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Covalent Bonding-Electron Dot Structures
In this chemistry, students draw the Lewis structures of 20 covalent compounds. They demonstrate how the lone pairs are distributed in the molecule.
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Moles, Stoichiometry, and Concentration
In this stoichiometry worksheet, students practice calculating moles, molar mass, and percentage composition of given compounds. This worksheet has 55 problems to solve.
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Chemistry 1A Review
In this Chemistry 1A worksheet, students review, molecular weight, solubility, endothermic reactions, and number of protons, neutrons, and electrons for elements. Students review Lewis Structures and how to predict the amount of product...
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Molecular Architecture
Students cuminate their study of molecular structure and bonding with this activity.
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Periodic Table I Quiz
In this periodic table I quiz, students select the best answer to the given questions. Students apply their knowledge of the periodic table and the arrangement to correctly answer the questions presented.
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Chemical Formulas Unit-Day 4
The purpose of this lesson involves reviewing nomenclature and molecular
formulas as well as introducing naming molecular compounds and identifying acids. The learners investigate and understand how conservation of energy
and matter is...
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Gases and Plasmas
Students determine what plasma is and why the sun is made up of plasma. They recognize situations where plasmas are found in nature and made by man. They discuss why the sun is a huge ball of plasma and if there are different levels of...
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WS 7.1 Kinetic-Molecular Theory of Gases/Pressure
In this kinetic molecular theory worksheet, students summarize the points of the kinetic molecular theory, they answer questions about pressure, and draw diagrams to show how suction cups, drinking straws and barometers work.
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.
National Institute of Open Schooling
Chemical Arithmetics
Substances with the same empirical and molecular formula must be differentiated by their structural formula. Part two in a series of 36 has pupils using chemical formulas to calculate how much of a compound is present in a given...
NASA
Christa's Lost Lesson: Effervescence
How are chemical reactions affected by gravity? Learners explore the phenomenon of effervescence as part of the Christa's Lost Lessons series. They compare findings in an experiment on effervescence to a video of a similar experiment in...
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Cellular Respiration
Students are often confused by the huge amount of information and detail that can be learned about respiration. This is a great presentation summarizing the main 4 stages of cellular respiration. It is clear and uses diagrams and...
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Endocrine Review Sheet
Starting with a diagram of the kidneys and urinary tract of the human, this sheet has questions about excretion, blood concentrations of hormones, gland feedback mechanisms and the effects of some hormones.