Students explore where insects live and how they have adapted to their environment.

Students examine the functions of earthworms and their effect on soil. They conduct an earthworm dissection lab, and complete a checklist.

Students discuss Keith Haring posters that were created to represent different social issues. They, in groups, create a poster that represents a social issue that affects their lives.

Students listen to explanations of what can go wrong in pregnancy and why problems arise. They complete worksheets and define terminology.

Third graders observe insects in a number of habitats. They recognize which insect characteristics are adaptations to their habitats.

Learners work together to collect soil samples from different locations. In the samples, they identify the macroorganisms and classify them. They identify the conditions that affect how macroorganisms grow. They also analyze and identify...

Students investigate wild-type and several mutant varieties of Drosophila melanogaster, which are characterized and distinguished according to pteridine pigments. They discoverthat paper chromatography of the wild-type Drosophila...

Students conduct an experiment to demonstrate that many of the enzyme systems needed to break down society's wastes exist in nature among the decomposers in a compost pile. They culture compost bacteria on starch agar to examine the...

Students demonstrate that many of the enzyme systems needed to break down--and therefore clean up-society's wastes already exist in nature among the decomposers. They select the best starch-munching organisms by altering the environment...

Middle schoolers participate in an experiment in which they try to stop algae from growing. In groups, they develop a hypothesis and test it while making changes to the experiment along the way. They make observations and organize...

In this foods of the world worksheet, students answer true and false questions about their own eating habits, than complete a matching activity where they match foods with countries of the world.

Studens experiment with temperatures. In this science lesson, students make their own weather station by heating one bottle and keeping the water in another bottle at room temperature.

Students create a drama based on the theme 'violence'. Students then find newspaper articles that depict violence and share them with the class.

Students analyze the risk factors for cardiovascular disease and classify them according to whether or not they are controllable. They discover how to reduce the probability of high blood pressure through diet and exercise.

Students recognize both a physical and chemical change in different substances. They determine which particles actually changed into different substances, and explain if it represented a physical or a chemical change.

Students investigate the mixtures of solutions. They utilize cups filled with bases and acids. Students test and determine the pH of each cup. The multiple cups are compared to each other in order to chart acids and bases according to pH...

Young scholars participate in a lesson that is concerned with the history of the food pyramid and how it evolved and changed into its modern state. After being presented with the information they conduct classroom discussions about the...

Students estimate the number of beans that is placed in a bottle. They are then split into three groups: Group 1: asked to write estimate on a sheet of paper with some large estimates already written down, Group 2: asked to write their...

Seventh graders explain that liquids are made up of tiny particles and how these spaces allow other particiles to fit in between larger particles. They then plan and carry out simple scientific experiments.

In this chemistry instructional activity, students calculate the freezing point of a given solution. Students calculate the final temperature and state of the water in a given problem. Students solve several problems provided.

In this prefix activity, ESL students read 9 sentences that have an incomplete word. Students choose a prefix from the box and make a complete word to finish the sentence.

In this English worksheet, students read "Euro Junk Food Warning," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.

Learners discuss the similarities between the Earth's atmosphere and a greenhouse. For this science lesson, students make their own greenhouses out of plastic bottles and thermometers. Learners record the temperature different times of...

This Mayo Clinic site explores what alcoholism is, what it does to the body, and how it can be treated. Content includes information on seeking medical advice, coping skills, and more.