In this electrochemistry activity, students are given details as to how to solve strengths of oxidizing and reducing agents, battery chemistry and a summary of cell construction and convention.

This worksheet provides an explanation of how to reduce or shorten time adverb clauses, cause/effect adverb clauses, and adjective clauses. After the explanation, students have an opportunity to practice reducing each type of clause....

In this ratios, rates and percentages worksheet, 6th graders solve 16 different types of problems that include writing each ratio as a decimal and a fraction in lowest terms as a percent. They also arrange numbers in ascending order and...

In this simplifying ratios worksheet, 10th graders solve and complete 24 various types of problems. First, they complete each ratio and reduce when necessary. Then, students find the length and width of each rectangle described. They...

In this human impact on the environment worksheet, students fill in the blanks to complete sentences about how humans have negatively affected the environment. They complete sentences about the actions taken to reduce and repair the...

Students explore the concept of waste management. In this environmental stewardship lesson plan, students consider the trash generated by people per day and discuss what steps they can personally take to reduce waste.

Students investigate how geologic sequestration reduces carbon dioxide concentration in the atmosphere. In this earth science lesson, students simulate oil mining in the lab. They write down their observations and complete the lab report...

Students pretend to borrow $1000.00 on a credit card. They pretend to make the minimum payments for a year. When they're done, they make a pie chart showing how much of their payments reduced their debt, and how much was interest.

Students' examine their opinions about respect, race, and stereotypes and their beliefs as a group. They complete a short questionnaire and then write an essay on reducing prejudice and discrimination.

In this half reactions worksheet, students read about redox reactions and learn how to write half reactions showing the oxidized part of the reaction and the reduced part of the reaction. Students are given 10 redox reactions and they...

Students explore algal blooms.  In this ecosystem and health lesson plan, students define and describe harmful algal blooms, then discuss ways in which the impact of these algal blooms could be reduced.  Students work in groups...

Young scholars examine the techniques that may be used to reduce carbon dioxide in the atmosphere.  In this pollution instructional activity students simulate oceanic sequestration using chemistry.

Students examine the different techniques that may be used to reduce carbon dioxide in the atmosphere.  In this ocean pollution lesson students divide into groups and complete a lab to see how the ocean holds carbon dioxide.

In this finding the differences of fractions with common denominators worksheet, learners subtract the numerators, keep the same denominators, and reduce to lowest terms. Students solve 14 problems.

In this recognizing fractions and percents worksheet, learners reduce fractions to their lowest terms and convert them to percents of whole numbers with decimals. Students solve 10 problems.

In this oxidation/ reduction worksheet, students solve eight multiple choice problems related to redox reactions. They determine half reactions, they calculate standard cell potentials, they identifying oxidizing and reducing agents and...

Students discuss how people are reducing their fuel consumption, then read a news article about a new bike-sharing program in Washington, D.C. In this current events and alternative transportation lesson, the teacher introduces the...

In this radon worksheet, students analyze their homes to identify sources of radon in their homes. They determine the best mitigation strategy to be used to reduce the radon and they discuss the advantages and disadvantages of each. They...

High schoolers discuss the oil crisis and a future world without oil. In this oil lesson, students watch videos online based on the reduced oil supply. They discuss how their regional community depends on oil and what would happen if the...

Students discover the world of fossil fuels and oil shortages.  In this world economy lesson, students read articles on the Internet discussing the world's dependence on oil and the possibility of an extended oil shortage....

Students examine the possible ways to recycle, reuse, and re-imagine products and objects in order to reduce pollution and waste on our planet. In this 100 things you can do to save the planet lesson, students take three actions to...

Students explore the Carbon Mitigation Initiative by playing the Wedge Game. In this environmental science instructional activity, students discuss different strategies to reduce carbon emissions. They evaluate their strategies and rate...

Students go through old magazines and select pictures of things which ultimately become a waste product. They paste these pictures into a small "recycling" book. They dictate a story about reuse and/or recycling of these materials.