Students explore the freshwater ecosystem of Africa's Lake Victoria by creating a freshwater aquarium. They investigate factors affecting the aquarium's ecosystem and conduct lab activities.

Students realize the importance of organisms as standards of measurement and experimentation.The first lab is a simple survival curve that demonstrates the effects of UV light on cells. The second lab looks at repair mechanisms of the...

Learners use easily obtained materials to study ecological succession in a microbiological community. This investigation is appropriate for a variety of age groups. Elementary Students be fascinated by the changes occurring over time...

Third graders examine the differences between cast and mold fossils. They discuss geological time and how many fossils are millions of years old, then create a cast fossil using clay and a shell, and a mold fossil using a shell and...

High schoolers list some of the health effects of radiation exposure. They are engaged in a unit on nuclear power by demonstrating the potential environmental health risks involved.

Twelfth graders examine the role of courts in environmental law enforcement. Using examples, they identify civil cases brought against large corporations for violating environmental laws. They define new vocabulary and discuss the...

Students explain the roles of mRNA, tRNA and ribosomes. They explain how mutations can occur in an individual. Students simulate parts of a cell to access about the process of protein synthesis.

Students observe a jar of pond water and predict how much life they think exists in the jar and watch a "Bill Nye: The Science Guy" video regarding protists. They participate in an online virtual pond dip where they begin to familiarize...

Students play the role of nectar feeding bats on their annual migration and try to avoid the different hazards that hinder their progress. They describe the annual migration of long-nosed bats including key elements such as: where the...

Students explore how work and energy create power. They complete activities involving simple machines, energy, energy conversion, and the role of conductors and insulators. They choose from a menu of options the activities they would...

Students identify and illustrate how changes in DNA cause mutations and evaluate the significance of these changes. They illustrate a chromosomal mutation such as duplication, deletion, inversion, and translocation.

Students work in groups with a wooden box that is sealed shut. They make predictions about what is inside the box. Before being allowed to open the box, the groups make hypotheses, conduct experiements, record results, draw conclusions,...

In this evolution worksheet, students will answer questions about population genetics and the theory of evolution of species. This worksheet has 15 true or false, 6 fill in the blank, and 4 short answer questions.

In this digestion worksheet, learners review the organs involved in the digestive process along with the function of these organs. This worksheet has 5 fill in the blank, 8 short answer, and 7 matching questions.

In this acids and bases worksheet, students read a 1 page article on acids and bases and answer 10 true or false, short answer, multiple choice and/or fill in the blank questions or statements referring back to the article.

Students recognize some forms of pollution. In this science lesson plan, students recognize and understand some of the devastating effects of the acid rains and other possible factors that are contrary to the pH balance of nature.

Learners explore ways to dispose of trash. In this lesson, students discuss where trash goes when it leaves their house and other inappropriate ways to dispose of trash. Learners brainstorm ways to produce less waste.

Students identify how trash is disposed of. In this environmental lesson, students read and discuss the poem "Sarah Sylvia Stout" by Shel Silverstein and discuss the ways people treated the items in the poem. Students discuss how trash...

High schoolers identify the differences in the water quality of a stream and complete water testing.  In this water quality instructional activity students collect aquatic insects and identify them. 

Seventh graders study the parts of corn and explore the role of starch.  In this corn products activity students prepare a model of water and stones.

First graders complete sunlight and solar effects activities to learn about light and its power. In this solar activity lesson plan, 1st graders complete a sunscreen test activity, a light test, a black light test, a cloudy test, a...

Students examine the surface area to volume ratio and how they relate.  In this surface area activity students complete several activities.

Students investigate the attributes of scientists. In this scientific process lesson, students participate in a classroom activity that requires them to describe the jobs of scientists. Students discuss their findings. 

For this fresh air and air pollution worksheet, learners click on the links in the questions about fresh air and air pollution to find the answers to the questions and then come back and answer the questions. Students answer 15 questions...