Young mathematical scientists interact with protons and electrons in an atom to create a neutrally charged atom. They answer questions based on their findings throughout the interactive resource.

Sixth graders examine microorganisms. In this germs lesson, 6th graders observe and record data on the positive and negative aspects of microorganisms.  Students complete activities, view a film, and explore websites. 

Students examine the way various inventions have changed their lives. As a class, they create a timeline of the most important inventions during their lifetime and another timeline of how old they were when it was invented. ...

High schoolers explore the concept of a mock town council meeting. For this mock town council meeting, students are divided into homeowners, developers, environmentalists, supporters, and those opposed to a new shopping mall. High...

Students review their information on genetics. Using PowerPoint, they present their findings to the class on the principles of genetic diseases and disorders. They discuss bioethics and identify the positives and negatives of genetic...

Students examine the event of the Great Flood of 1993. Using the internet, they research the economic, social and ecological changes that impacted the area. They conduct a town meeting in which they debate the positives and negatives of...

Students review the types of simple machines. As a class, they focus on the positives and negatives of pulleys and gears and identify what pulleys and gears change of an object. They work together to design their own object to support a...

Students consider how forest fires are both damaging and beneficial to forests.  In this earth science lesson, students are read the book Fire! In Yellowstone by Robert Ekey and watch "Fire Ecology" and "Two Sides of Fire" before...

High schoolers examine how hazardous wastes are cleaned up. They work together to identify the positives and negatives of cleaning up certain hazardous wastes. They answer questions as part of the activity.

In this physics worksheet, students identify and describe the correct and incorrect features in electric field lines. Then they qualitatively sketch field lines for a charge distribution and a charge given the field lines.

People have been using solar energy for many generations to dry crops, heat homes, and for light. This presentation explains how now it is possible to capture the solar energy and store it for future use, details how and where...

In this circuits worksheet, students answer 25 questions about passive integrator circuits and passive differentiator circuits given schematics showing voltage. Students use calculus to solve the problems.

Learners explore naturally magnetic elements. In this magnets lesson, students examine the periodic table of elements. Learners discover the parts of an atom and determine which three elements are magnetic.

In this transportation worksheet, students list the positive and negative aspects of different types of transportation. Students keep a diary of the different ways they used transportation for a week. This worksheet has 7 graphic...

In this 2-day lesson focused on exponents, middle schoolers will cross the curriculum by engaging in science, history and language arts activities. Exponential growth will be explored using grains of rice on a chess board. Exponential...

Students examine the use, misuse and fear of radiation. They read an article about radiation on food and discuss the positives and negatives of this process. They answer questions to complete the lesson.

Learners study data to hypothesis about the influence of a water circulation cell on the retention of benthic invertebrate larvae in the area of a seamount. They investigate the positives and negatives of larvae retention in this series...

Students discuss the positives and negatives of composting. They plant their own plant using composting material and record results. They create a poster for the classroom.

Students examine how fuel cells and combustion engines work. Using the internet, they research the positives and negatives of the various energy sources. In groups, they complete an experiment with a working fuel cell model and take a...

In this energy worksheet, middle schoolers read articles on the internet about energy and answer short answer questions. Students answer 10 questions total.

Young scholars brainstorm different ways to track whales, dolphins, and propoises as a class. In groups, they discuss the positives and negatives of each method. After watching a video, they identify the characteristics of cetacean...

Learners research and assess programs that strive to preserve biodiversity, such as captive-breeding programs and species-survival plans adopted by zoos, aquariums, and other institutions.

Young scholars evaluate whether particular jobs have a positive or negative impact on the environment. In this career exploration lesson, students complete a worksheet in pairs to determine if and why various jobs impact the environment.

In this science worksheet, students read about the summer of 1971 when the Earth passed closer to Mars than it had since 1924. Students also learn about the retrograde motion of Mars as seen from Earth.