Students explore packaging. In this cross-curriculum lesson, students bring in samples of food packaging and identify the packaging as natural or manufactured.

Students observe and classify objects that float or sink.

Learners examine the ways that government works to help improve aquatic habitats. In this water habitats lesson students view a video and plan a school restoration project. 

Students describe the characteristics of a mammal. They also differentiate between a companion and a wild animal. The lesson has an assessment included in it. They have a discussion to tap prior knowledge about what a mammal is.

In this biology worksheet, students identify insects by their name and write it in the correct box on the sheet. Then they catch insects with nets and bring them in to identify. Students also earn points for the number of insects caught...

Students classify animals. In this insects and bugs lesson plan, students discuss the characteristics of insects and other closely related animals such as spiders, ticks and centipedes. Students talk about the differences between insects...

Students examine the definition of species. Students complete a phylogentic tree of the Canidae family. They write an essay justifying why or why not wolves and dogs should be classified as different species.

Students examine the cell cycle and how its duration can vary.  In this cells lesson students complete a worksheet and answer questions. 

Students work as a class-size unit as well as in small groups to become proficient in observing tree characteristics to facilitate species identification. They identify most common tree species by observing leaf, flower, fruit and bark...

In this biology learning exercise, learners complete 19 short answer questions about biodiversity and information obtained during a class video.

Students identify characteristics of birds, name several species, and explain how birds fly. They make nests and give bird presentations.

Students study Charles Darwin's evolutionary theory and how he applied it to orchids.  In this evolution lesson students repeat Darwin's orchid pollination experiment.

Students study the reproductive strategies of reef building corals.  In this coral reef lesson students describe the behaviors of reef building corals and their nutritional strategies. 

First graders compare and contrast adult and baby animals to identify similar characteristics shared by both.

In this biosphere instructional activity, learners identify the different levels of organization that ecologists study. Students complete charts, sentences, and answer short answer questions.

Students examine the characteristics of the peregrine falcon. They investigate endangered and extinct species, and how the environment affects the process.

Students study squid including what family they are in.  In this exploratory activity students view a video, answer questions and complete an activity on squid. 

Pupils research facts about animal species.  In this ocean lesson  students view a video, prepare illustrated cards and create a food-web display.  

Fifth graders examine two related organisms that live in different environments and compare how the physical characteristics of each organism provided it with survival advantages unique to its own environment.

Students explore the major characteristics of the major animal phyla. They describe adaptive features that have contributed to the success of animals on land. Students explain how primate evolution provides a context for understanding...

Students read a story and solve a problem about an unhealthy population of trees.  In this forest lesson plan students study tree disease and then research it online and present what they found. 

Ninth graders explore evolution. They study a cartoon scenario of a rabbit population in which there is selection and a change of gene frequency. Students discuss frequencies, evolution, and speciation.

In this earth history worksheet, students visit a website and complete 15 fill in the blank and 8 short answer questions based on what they read. Topics include biodiversity, animal kingdoms, evolution, fossils, and extinction.

Fifth graders define words. They create a dichotomous key. After carefully examining pill bugs, 5th graders record observations. They compare and contrast habitats of pillbugs.