In this detailed and comprehensive multi-day activity, budding evolutionary biologists use real data from lizard populations in the Canary Islands to examine evolution and natural selection. 

In this lab worksheet, students dissect a barn owl pellet then identify the different small animals found in the owl pellet. Using class data they calculate percentage present as well as complete 8 post lab questions.

In this biology worksheet, students use the word list that is made part of the exposition of the concept of hydra and how they are part of the ecosystem.

How can you provide healthy soil for your garden? Study worms, bacteria, and other microorganisms in a lesson about decomposition and organic compost. After discussing what you know about worms and watching a video, watch what worms do...

In this relationships and biodiversity worksheet, students investigate the relationships between 4 plants sample using 7 different tests. These include looking at structural characteristics of the plants, seeds and stems, using paper...

This lab activity does not have to be done with AP environmental scientists. It can also be done with middle to high school earth scientists. The procedures aren't complex. Learners determine the density of dry and wet sand in order to...

In this predator-prey worksheet, students simulate the relationship between predators and prey using small squares to represent rabbits and large squares to represent coyotes. They complete 20 rounds of the simulation trying to get the...

In this science worksheet, students use the diatoms present in water in order to test water quality and perform data collection and interpretation.

For this biology worksheet, students identify and define the vocabulary terms listed and make a prediction about the outcomes of the experiment. Then they complete the chart of the observations of the plankton diversity in drops of pond...

In this science worksheet, students test the quality of water taken from a local source and test it in a lab for the ingredients present.

That is living in the water? Groups of two to three view pond water with microscopes in order to find microorganisms. They draw pictures of the ones they find in their slides.  The groups compare their drawings to pictures of common...