National Nanotechnology Infrastructure Network
Can Small Pollutants Harm Aquatic Organisms?
Nanoparticles have toxic effects on plant and animal life—even though you can't see them. The second lesson of a two-part series has young scientists conduct an experiment that exposes plant and animals to nanoparticle pollutants. They...
Kenan Fellows
Let's Learn About Stewardship and River Basins
What does it mean to be a good steward? Middle school environmentalists learn to care for their state's waterways through research, a guest speaker, and poster activity. Groups must locate and learn more about a river basin and the human...
Curated OER
Chemical Word Equations
In this chemical reaction worksheet, learners write a balanced equation for each of the word equations given. This worksheet has 12 problems to solve.
Curated OER
Theoretical Yield and Percent Yield in Chemical Reaction
In this stoichiometry worksheet, students solve several problems using the stoichiometric method. Students find the percent, theoretical, and actual yield for all problems presented.
Curated OER
Ionic Formulas
In this compounds worksheet, students write the chemical formula for the chemical ionic formulas given. This worksheet has 25 problems to solve.
Curated OER
Molarity of Solutions
In this molarity worksheet, students determine the mass needed to make the given solutions and calculate molarity and volume of solutions. This worksheet has 14 problems to solve.
Curated OER
Chapter 13 Review, Section 1: Ions in Aqueous Solutions and Colligative Properties
This is an apt assignment for chemistry takers that are studying ionic solutions. Eight questions require problem solving and critical thinking to answer. The first question instructs learners to use a table in the textbook, but you can...
Curated OER
Crystal Growing
Students grow crystals and document their observations by recording timeing and growth. Additional characteristics of crystals are observed under a black light, by growing under different conditions and mineral content is determined.
Curated OER
It's not as pretty as it looks!
Tenth graders investigate that measurement is often an inact science. They explore ways utilize available information to form hypotheses. Students investigate how to test hypotheses using the HACH test kits.
Michigan Sea Grant
What's in This Water?
Pupils investigate the biological and chemical characteristics of water to determine where purple loosestrife occurs. They create data sheets to record water quality tests in several locations and work in groups to conduct the water...
Curated OER
Ionic Compounds: Polyatomic Ions
In this compounds worksheet, students write the name or the chemical formula for the polyatomic ions given. This worksheet has 20 problems to solve.
Curated OER
The Human Impact on the Environment
Despite the typos and formatting issues, the Word document found here has some great potential. There are two questions that ask learners to put several events in a logical order; these could easily be made into a card sort activity....
Curated OER
Weather Lesson 1
Students describe and compare the layers of the atmosphere. They explain how to measure the temperature of the atmosphere. They also explain what causes the atmosphere to heat up in some places more than in others.
Curated OER
Unit: Processing and Manufacturing: Examination Three
StudentsMatch the vocabulary terms in column A with the definitions in column B. Write the letter of the definition in column B in the space next to the terms in column A. Afterwhcich, students Write short answers or fill in the blank to...
Curated OER
Biomanipulation
Students explore the effects of aquatic trophic relationships on water transparency. They observe and explain the effects of reducing nutrient inputs on agal density on water transparency.
Curated OER
Limiting Reactant Problems
In this chemical reaction activity, students determine the limiting reactant in the equations given plus determine the amount of moles of product produced. This activity has 6 problems to solve.
Curated OER
Stoichiometry
In this stoichiometry worksheet, learners use balanced equations for chemical reactions to determine the percent yield and the mass of product produced. This worksheet has five problems to solve.
Curated OER
Polyatomic Ions
Opening with a chart of common polyatomic ions, and finishing with an explanation of how to name polyatomic ions, this presentation is to the point. The links on the vocabulary page do not work, leaving you only a few slides to...
Curated OER
The Biogeochemical Cycles
The majority of this presentation is a collection of diagrams and graphs that back your lecture on biogeochemical cycles. The last few slides define ecosystems and the Gaia hypothesis. You may find these slides valuable, but will...
Curated OER
Iron Fertilization - Pumping Iron
The theory that adding iron to ocean water may increase phytoplankton ability to remove carbon dioxide from the atmosphere is examined. The Monterey Bay Aquarium Research Institute is monitoring conditions off the California coast to...
Curated OER
The right place to live
How do various plants survive in different environments? They adapt! Kids determine which plant traits make them perfect for their specific environment. They consider three plants and can even complete a plant experiment. Note: Intended...
Curated OER
Interpreting Chemical Formulas
In this chemical formulas learning exercise, students determine the number and type of each atom and the total number of atoms for the given formulas. Students complete 10 problems.
Curated OER
WS 4.7 Writing Chemical Reactions
In this chemical reactions worksheet, students are given fourteen chemical reactions that they must write using chemical formulas for the reactants and products. They balance each equation by placing the proper coefficients in front of...
Curated OER
Six Types of Reactions
In this types of chemical reactions worksheet, students fill in 5 blanks with the proper type of chemical reaction described in the sentence. Students balance 5 equations and identify the type of chemical reaction for each equation.