Curated OER
Acidity of Foods
Students investigate the acidity of foods using titration. In this acidity of foods lesson plan, students find the acid concentration of 4 fruit juices by titrating them each with sodium hydroxide and an indicator to find the end point. ...
Creative Chemistry
Working out the Shapes of Molecules
For this molecular geometry worksheet, learners are given directions and four examples for predicting the geometry of molecules. They determine whether the molecules are pyramidal or trigonal bipyramidal.
Curated OER
Chemistry Midterm Topic Review
In this chemistry review instructional activity, students answer and solve 95 questions about chemical reactions, hydrocarbons, functional groups, moles, acids and bases and solutions.
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Measuring Aquatic pH
Middle schoolers apply the scientific method and safety rules to aquatic pH. They test unknown solutions for pH levels.
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Electroplating for Corrosion Protection: Redox in Action
Young scholars define what a redox reaction is. In this chemistry instructional activity, students electroplate some wires in the lab. They research the application of electroplating in the real world.
Curated OER
Rules for Balancing REDOX Equations: (Half-Reaction Method)
In this chemistry worksheet, students read the instructions of how to work with the following: acidic and basic solutions, total and net ionic equations, and how to relate these to each other.
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Biochemistry Assignment
In this biochemistry instructional activity, 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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Water - the (Nearly) Universal Solvent
In this solvent learning exercise, students explore why water is considered a universal solvent. Students explore what can change dissolving rates. This learning exercise has 8 matching, 3 short answer, 11 fill in the blank, and 4...
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Chemical Bonding and Shapes of Molecules
For this chemical bonding worksheet, learners 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.
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pH
Learners use a Colorimetric test to measure pH and gain the importance to life in an aquatic ecosystem pH is. They explore the dramatic effect pH level can have on a water body. Students test the pH level of many water samples.
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Plasmasphere
In this plasmasphere activity, students determine how long the plasmasphere takes to rotate around the Earth using two satellite images taken three hours apart.
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Molecular Modeling Activity
Learners explore the concept of molecular modeling and differentiate between saturated and unsaturated compounds. In small groups, they identify molecular formulas, complete a chart comparing alkanes, alkenes, and alkynes, and construct...
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The Chemistry of Life
In this chemistry of life activity, students will review key terms of plant cell structure and chemistry by reading 13 clues to complete the puzzle. Word bank is included.
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Ka and Kb Calculations
For this solutions worksheet, students calculate the pH of given solutions or calculate the Ka or Kb for chemical compounds. This worksheet has 11 problems to solve.
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AP Chemistry Chapter 9
In this AP Chemistry worksheet, students apply concepts of electron configuration to accurately answer the questions provided. Students also draw Lewis structures of the given elements. Students estimate the enthalpy of formation as well...
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pH
Young scholars test the pH of various solutions. In this pH lesson plan, students use litmus paper to test the pH of household solutions. They compare their results with book charts.
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Molecular Architecture
Students cuminate their study of molecular structure and bonding with this activity.
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Answers for Elements and Compounds Crossword Puzzle
In this chemistry worksheet, students are provided with the answers to a 28 clue crossword puzzle about elements and compounds.
Curated OER
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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Elements
In this elements worksheet, learners write the electron configurations for given elements. Students describe ionization energy and electron affinity and the periodic trends for both. This worksheet has 20 short answer questions.
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Proteins Word Search Puzzle
In this biology learning exercise, students look for the words in the puzzle that are related to the theme of the word search. Spelling skills are worked on.
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Diffusion an Osmosis
For this crossword puzzle worksheet, students read the clues that relate to diffusion and osmosis. Students then complete the 20 question crossword using the given clues.
Encyclopedia Britannica
Encyclopedia Britannica: Hydrogen Ion
This brief entry describes the hydrogen ion, strictly, as the nucleus of a hydrogen atom separated from its accompanying electron. The hydrogen nucleus is made up of a particle carrying a unit positive electric charge, called a proton.
Chem Tutor
Chemtutor: Overview of P H
The learning resource explores the Chemistry topic of pH. The activity consists of a table that shows the relationship between the hydrogen ion concentration and the hydroxide ion concentration. In addition there is a pH box and...