Curated OER
DNA Extraction with Kitchen Chemistry
Students extract DNA from green peas. In this DNA extraction lesson plan, students use a blender to chop up peas, they mix them with a little soap, they tenderize them and they mix them with alcohol to see the DNA precipitate through the...
K20 LEARN
Untwining And Intertwining: Chemical Reactions
What happened when the chemistry teacher told a bad joke? There was no reaction! A creative take on the traditional reaction types lesson invites learners to draw their own conclusions about how compounds and elements combine. Groups...
Curated OER
Types of Chemical Reactions
In this chemical reactions worksheet, students are given directions about three types of reactions and how to write balanced equations for each. They then are given ten practice problems to complete using the information given.
Curated OER
Chemistry: Chemical Reaction
In this chemical reactions worksheet, students name the reactants and products, balance the equation, calculate the molecular weight of the reactants and products, and classify each reaction type. Students fill in a table of solubility...
Curated OER
Chemical Reactions
In this chemical reactions worksheet, students solve 16 exercises by writing and balancing chemical reactions. They calculate the concentration of various solutions.
Curated OER
Making a Cave
Students discuss caves. In this science instructional activity, students experiment with how dissolution, a chemical weathering process, leads to the formation of caves. Once the cave is finsihed students draw a picture or describe in...
Curated OER
Oxidation of Ethanol to Ethanal
Here is a laboratory exercise where chemistry masters carry out an oxidation reaction to change ethanol into ethanal. They compare the original alcohol to the resulting aldehyde by forming a precipitate. Definitely aimed at learners...
Virginia Department of Education
Weathering of Limestone
We all know limestone weathers, but what affects the rate of weathering? Young scientists investigate the physical and chemical weathering of limestone (chalk) through experimentation. First, they conduct trials with different-size...
Curated OER
Cation Separation and Identification
Students conduct an experiment in which they systematically separate cations from a mixture of substances. They use the following types of reactions to do so: precipitation, acids and bases, oxidation and reduction. They compare a...
Curated OER
Acid Rain Experiments
Students define the term acid rain, and the causes of acid rain. They locate regions where acid rain is most affected, and what can students deduce from maps of geology and soils in New York State. Students answer the questions why are...
Curated OER
General Chemistry I
In this chemistry worksheet, students balance each of the reactions presented using the periodic table to help. Then they predict the products of the reactions and write the net ionic equation. Students also write the empirical formulas...
Curated OER
Limiting Reagents and Percent Yield Problems
Twelve questions about the various calculations of mass and yield are given here. There is significant practice of molarity calculations and consideration of the reactant and product balance.
Curated OER
Water Balance & Nitrogenous Waste Removal
Examine the structures of the kidney and then define the functions of the specialised structures. Every will find this powerpoint engaging, many of the images will present facts such as osmolarity of interstitial fluid and the negative...
Curated OER
Identifying Anions
In this anions worksheet, students are given a table showing 9 anions, the test that indicates the presence of each anion and what will be observed when each substance is added to the anion.
Curated OER
Precipitation and Neutralization Reactions
In this chemical reactions worksheet, pupils determine the balanced formula equation, balanced complete ionic equation, and the balanced net ionic equation for given reactions. Students calculate final concentrations for ions in given...
Royal Society of Chemistry
Halide Ion Tests
Young chemists love it when colorful solid products appear in a reaction vessel! Scholars discover the products that form during halide ion tests through a hands-on activity. Users go online and apply chemistry knowledge and reasoning...
Curated OER
DNA on Stick
Students experience a "hands-on" activity to get visual evidence of the physical nature of DNA and the process of DNA purification. They explore one method of chromosomal DNA isolation and DNA extraction.
Curated OER
Writing Net Ionic Equations
In this ionic equations worksheet, learners are given 20 equations to complete. They are to write the net ionic equation and indicate if a precipitate or gas is formed. In addition they are to determine if 11 compounds are acids or bases...
Rensselaer Polytechnic Institute
Molecules to the Max!—Educators Resource Guide
From molecules to nanotubes, an engaging unit explores the world of tiny science. Fifteen hands-on experiments and lessons engage young scientists as they learn chemistry. Discussions, worksheets, and data analysis reinforce the concepts...
Curated OER
Types of Chemical Reactions
In this chemical reactions activity, high schoolers read about the 3 types of chemical equations and how to write balanced ionic equations. Students are given 5 equations to balance, write the type of reaction, write the total ionic...
Curated OER
Water Quality And pH
Learners determine the pH level of water and its effect on aquatic plants and brine shrimp eggs. This is a three part activity that leads the student through the development of an understanding of water pH. They form a hypothesis and are...
Curated OER
Stoichiometry Problems - Limiting Reagents
In this stoichiometry worksheet, learners determine the limiting reagents and the mass of compound precipitated in given chemical reactions. This worksheet has 4 problems to solve.
Curated OER
Stoichiometry Problems - Limiting Reagents
In this stoichiometry activity, students determine the limiting reagent and mass of precipitate produced in given chemical reactions. This activity has 5 problems to solve.
Curated OER
Understanding Weather Maps and the Importance of StormT
High schoolers explain how storm tracking is important to understanding sources of acid rain pollution. The read and explain a weather map. They set up plastic or glass collection container for rain in an open area away from buildings...