How does HIV operate at the molecular level? Pupils discover the progression from a healthy immune cell to one infected with HIV, watch an animation of the HIV life cycle, and finally identify each of the stages with illustrations...

For this worksheet on the life cycle of the butterfly, learners look at 4 pictures representing the life cycle stages, and choose words from a word box that match each picture. Students then number the pictures in the correct order of...

Second graders listen to a read aloud of the Eric Carle's, The Very Hungry Caterpillar, and talk about the life cycle of caterpillars. They draw illustrations of the life cycle and compare it with the life cycle of another familiar...

In this life cycle workbook, 5th graders examine plant and animal cells, classification of organisms, human biology, photosynthesis, and natural environments. 21 different activities make up the Life Cycle Workbook.

Students conduct background research on the decomposition process, soil composition, and the life cycle using the resources provided for Internet searches. They work in collaborative groups to research topics as a particular plant, soil...

Biology learners highlight the features of asexual and sexual reproduction in this life cycle worksheet. They take an in-depth look at the role of chromosomes in meiosis and the overall process of reproduction. 

Explore the water cycle in an interactive diagram of the process. The diagram shows how water is a moving system and constantly changing forms. The resourc includes vocabulary words that pupils click on in order to discover more about...

Scholars learn about the carbon cycle, play a carbon cycle game, and then write a story based on their role as a carbon atom during the game. After the writings, pupils analyze the carbon cycle by leading a class discussion on the material.

How do we affect the ecosystem, and what can we do to preserve it? Pupils explore chemicals that promote and inhibit plant growth, then discuss the importance of nitrogen and phosphorus to the survival of organisms and describe how...

Upper elementary pupils learn about the blood transportation system and anatomy of the human heart. They fill in an outline of the human heart  (not included) focusing on the flow of blood to and from the heart. Using stethoscopes,...

Hydrology hopefuls learn about their local watershed. Through discussion and online interactives, they see that their habits affect the water supply. The lesson plan concludes with a pledge to filter out bad water usage habits. It makes...

Students are provided with a physical description of the insect, in words and graphics, including body parts, special adaptations, color, and so on. They explore and report on all four elements of an insect's habitat: food, water,...

Dirt babies are an excellent way to show young botanists the plant life cycle. They explore the functions and industry behind grasses before growing some of their own. Use the informational text here and consider implementing some...

The fifth installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program defines dead zones and how they form. Pupils then examine data from the Gulf of Mexico to determine dead zone formation.

There is 30 percent more carbon in the atmosphere today than there was 150 years ago. The first lesson plan in the four-part series teaches classes about the carbon cycle. Over two to three days, classes make a model of the...

How does nature's hierarchy relate to our local human environment? Answer this question, along with others, as the class visually depicts the natural hierarchy provided by nature. Pupils discuss each piece of the pyramid and its energy...

Water is the source of life. It appears in poetry in both peaceful and torrential descriptions; it appears in earth science in its liquid, gaseous, and solid states. Combine these interpretations of our planet's most precious and...

Every muscle movement requires energy, but where does that energy come from? Scholars answer this question and more as they complete a worksheet. By following the directions, completing research, and discussing it as a class, they begin...

First graders will have a better grasp on animal characteristics after viewing this presentation. The concepts covered are, skin, life cycle, offspring, size, and human/animal interrelationships. Note: This is good as a concept review or...

Shockingly, wasps sometimes challenge lions as the king of predators! Learners explore the life of a wasp in an interactive online lesson. They read about the characteristics of wasps and then complete activities to learn about their lives.

How do reverse transcriptase inhibitors work? Young virologists examine the function of azidothymidine, a drug doctors use to treat HIV patients, during a hands-on modeling activity. Groups create a strand of DNA from an HIV RNA strand...

What happens when a non-native species is introduced onto an island? Santa Cruz Island, part of the Channel Island chain located off the coast of southern California, provides the perfect laboratory for young environmental scientists to...

Even if a school has gone digital, chances are there's still plenty of paper being used. The three activities help scholars learn about the environmental impact of paper and another consumer products of their choosing, the issue of...

After reading an article on the alfalfa leafcutting bee, learners chart its characteristics alongside those of the honeybee. Then they draw the leafcutter lifecycle. The article provides fascinating reading when studying the role of...