Students explore what effects improper waste disposal and water pollution have on the water cycle. They explore how philanthropic acts can help protect the water cycle and keep our water and planet clean.

Students examine the relationship between particle size and rate of water flow through soil. They collect soil samples, make predictions, conduct a water flow experiment, analyze the data, and answer conclusion questions.

Quite a detailed and advanced look at the transport mechanisms of a plant. The absorption and control of sugar and water concentration are explained and will help an understanding of homeostasis concepts and organ specialization.

What's black and white and can dive up to 1,800 feet under water? That's right, penguins! Learn this and many other amazing facts about these unique birds with this handy reference sheet.

Every bug is an insect, but not all insects are bugs. A presentation lists the characteristics of insects, describes their body parts, and explains metamorphosis. It also details every order and includes photographs and multiple facts...

Course identification information is included in the upper left corner as well as within the title of this worksheet. If you overlook or remove that information, you are left with a tremendous college biology assignment. There are only...

There is so much to learn about the different cycles, processes, and parts of the biosphere. Using a pretest as a formative assessment to see what your budding ecologists already know is a great way to figure out which important areas...

Second graders define condensation and evaporation. They identify and describe the steps in the water cycle. They ask questions to end the lesson.

Fifth graders explore changes in nature. They identify chemical and physical changes in the water cycle, carbon cycle, and weathering. Students explore a chemical or physical change based on a chemical formula. They examine the effects...

Fifth graders discuss the differences between chemical and physical changes. In groups, they complete experiments and discover how a physical chnage can be reversed. To end the lesson, they review the steps of the water cycle and...

Students identify the differences in local soil types and the relationship between soil size and water retention. They are introduced to microenvironmental conditions in ecosystem sustainability.

Middle schoolers examine the effects of rainfall on different surfaces and discuss water pollution. They review the water cycle and the uses of water in daily lifestyles. Students discuss the effects of soil run off in streams and rivers.

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 discover ways to preserve the Earth's resources. In this natural resources lesson plan, students investigate how many gallons of water the average American uses per day and then total their estimated usage. Students discuss...

Students create a model of the birth of a star and demonstrate the stages of the star's lifecycle.  In this star lifecycle activity, students mix flour and water in a jar to model the birth of a star, then role-play the entire...

Students study the Miller-Urey Experiment including its history and criticism.  In this origins of life lesson students repeat this experiment to see how it works.

Learners review the three types of rocks and the rock cycle. They participate in an experiment in which they discover the lithification process of sedimentary rocks. They record and share their observations.

Pupils have discussions and complete activities about the pacific salmon life cycle and marine parasites. In this salmon lesson plan, students complete activities such as observing sea lice, playing a tag game, and a board game.

In this cellular respiration and photosynthesis worksheet, students read through the presented material and draw an illustration of the production of ATP. Students answer several short answer questions about the production of ATP,...

Pupils examine the effect of different types of light on the Earth. They discover the role of evaporation and the effects of the sun on the magnetosphere. They also observe different solar phenomena.

Students see that spiders have a life cycle, and reproduce by laying many eggs. We can count by ones, twos, fives, or as many as we want. They make two lists of animals on a chart.

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

Students show their knowledge by choosing the correct answer about solids, liquids and gases. Students also write short answer responses to questions about experiments they have done.

In this oyster culture cycle worksheet, students answer 31 questions about the six stages of the oyster culture cycle. They also answer questions about the oyster business.