Why do we need freshwater? Because freshwater sustains life. After reading a three-paragraph passage about the importance of freshwater, first graders respond to the article by answering comprehension questions. The resource includes...

Biology classes will bubble with excitement as they complete this assignment. Beginning with an informative overview of cellular respiration and fermentation processes, the highlight comes as an experiment in determining the rate of...

Introduce your earth science enthusiasts to the earth's energy budget. Teach them using an informative set of slides that include illuminating lecturer's notes, relevant vocabulary, embedded animations, colorful satellite maps, and a...

Students examine the hydrologic impacts of drought. Humans can change the course of the water cycle, to some extent, to meet their needs, but can they do so without imposing risks on the plants and animals?

Students are shown how dissolved oxygen enters the water. They are taught the difference between a water sample that has been exposed to the air and one that has not. Students brainstorm what organisms need to survive. They use dissolved...

Students explore botany by participating in a calendar class activity. In this plant observation lesson, students examine a diagram of a Brassica plant and identify its anatomy before planting their own seeds and viewing the changes over...

What do a bicycle and the life cycle have in common? Cover this and more with the series of cross-curricular activities included in this plan. Learners do everything from making bracelets that represent the life cycle to checking out the...

Students investigate the lives of frogs by completing several worksheets.  In this biology lesson, students discover the life cycle of a frog from tadpole to death.  Students complete frog life cycle puzzle as well as create a...

Students investigate relationships between plants and animals and how living things change during their lives. In this life cycle lesson, students split different types of seeds apart to see the beginning life stages of future plants.

Students chart how milkweed bugs grow and change.  In this growth and life stages lesson, students read two stories and discuss how and why things grow.  Students brainstorm what can be measured about humans, review and discuss...

Students understand how clouds are formed. In this cloud lesson, students participate in three experiments to make clouds. Students complete activity sheets for each experiment.

Students are introduced to the concept of acids and bases and arouse curiosity about acids and bases in daily life. They are introduced to the measurement of soil pH. Pupils are introduced to the effect of soil pH on nutrient cycling...

Students create a compost cake. In this gardening and decomposition science lesson, students review and describe the "nutrient cycle." Students create a compost pile, measure and record the dimensions and temperature of the pile, and...

Students identity the components of electron transport system through role play. They explain the role of intermediate energy carriers to the production of ATP molecules. They describe the relationship of electron transport system to...

In this science worksheet, learners learn the importance of water conservation by completing 6 pages in the color newsletter. Students list ways their school could save water, read cartoon tips for home water conservation and complete a...

Students draw and label the four parts of a plant. They describe changes that are part of the common life cycle. Students follow various one and two step directions. They are asked to discuss that they can recall about plants.

Third graders observe various demonstrations dealing with the water on our earth, such as a comparison of the amount of salt water and fresh water on earth, then participate in a role playing activity in which they become a molecule of...

High schoolers bag trees to determine the mass of the water given off in the evapotranspiration process.

Students engage in a lesson of investigating the amount of water that is transpired in a one day cycle. They conduct research to find the purpose of transpiration and find information to explain the value to a plant and explain how...

Students explore the parts of a flower and pollination of flowers. In this plants instructional activity, students use an interactive whiteboard to label the parts of a plant and the functions of each part. Students complete a worksheet...

Students consider the effects of topography on climate patterns. In this earth science lesson, students research weather patterns and make inferences of how the land forms may create different climates. Students compare Celsius...

Young scientists roll up their sleeves and get a little dirty in this three-day earth science investigation. Following the scientific method, children monitor the growth of algae in pond water samples in order to determine...

Class members explore the carbon cycle in the final installment of the 10-part Discover Your Changing World series. They play a simulation game where they walk through the steps carbon takes as it cycles through the different layers...

If tap water is more acidic than ocean water, why are we so concerned about ocean acidification? The third installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program focuses on carbon dioxide levels in...