In this science worksheet, students participate in an Earth Day activity by completing a crossword puzzle. Students read each clue. The answer which fits in the puzzle is provided in a scrambled word form. Students unscramble the words...

Students gain knowledge of food webs and ecological interconnections in the forest, and place different life forms in their proper place in a food chain. Students appreciate the balance of nature and how humans are affected by extinct...

Sixth graders observe, describe, and classify microorganisms found in water sources. In small groups, they make their own slide, observe the Protozoa under a microscope, and record and classify the microorganisms.

Students investigate mechanical and electrical machines in the classroom and school, and identify which produce heat while operating.

Students perform a play that presents the causes and effects on people and the environment of the eight major air pollutants.

Students examine how to use ecological analysis to animal production systems.  In this sustainable agriculture lesson students examine where the nutrients flow in a system and complete several activities. 

Students display their knowledge of sea ice. In this earth science lesson plan, students create displays reflecting their understanding of sea ice.Students research the development of sea ice on a variety of...

Students work together to test how the color of a material affects how much heat it absorbs. They make predictions and take notes on their observations. They discover how engineers use this type of information.

Middle schoolers discover the best practical shielding material when dealing with radioactive substances. They draw conclusions based on availability of materials, price, and best shielding properties.

Fifth graders explore electricity. In this electricity lesson, 5th graders experiment with open and closed circuits. Students determine how to properly connect a battery and bulb to illuminate the bulb.

Junior high and high school learners study infrastructure and its relationship to the current economy. They review handouts, watch a PBS clip, and review case studies in order to answer provided questions and role play over...

Third graders explore the concept of sorting recyclables. In this recycling activity, 3rd graders determine how to separate recyclables from waste and how to sort recyclables into different categories.

Students discover how coroners use insect life cycles to estimate the time of death in cases. they describe how forensic entomologists combine environmental factors with insect life cycles to note the changes. Students examine an...

Students observe that different lights have different effects on matter. Students see that ultraviolet light is powerful although it cannot be seen through this teacher led demo-experiment.

Students explore how to fuel cars with corn and then test different items to explore the process of fermentation.

Students write position papers on a form of alternative energy production. They use several class periods to develop and write their paper and them participate in an extensive peer review session.

In this resources worksheet, students review renewable and nonrenewable resources. Students also review how resources can be conserved. This worksheet has 7 terms in a crossword puzzle, 3 true or false, and 10 short answer questions.

In this biochemistry worksheet, students review amino acids, proteins, lipids, and carbohydrates. This worksheet has 29 multiple choice, 8 fill in the blank, and 3 short answer questions.

In this geography skills activity, students watch the National Geographic video "Amazing Planet." Students then respond to 13 short answer questions about the content of the video.

Students explore heat transfer and how it affects weather.

Students observe how light can be reflected, refracted, and absorbed. In this light lesson plan, students discover that light travels in a straight path. This lesson plan contains a "bonus" activity that explains how to make a kaleidoscope.

Third graders examine the natural circulation of water from oceans, lakes, and rivers to evaporation into the air, and then to condensation to produce rain falling back to the soil as components of the water cycle.

Students analyze the black-figure painting style of ancient Greece and its influence on Neoclassical artists during the 18th century, as seen in drawing, painting and silhouettes, or shadow portraits. For this ancient art...

Students explore and define methane hydrates and describe ways that it can impact their own lives.  In this methane hydrate lesson students create a molecular model and research methane hydrate.