Students explore abiotic factors that affect habitats. After a class lecture, students work in groups to answer questions about plant tissue, production and growth. They share answers, complete a crossword puzzle, and create a habitat...

Students use a JAVA interface to explore the Daisy World model to illustrate a mechanism through which - according to the Gaian hypothesis - biota might optimize their abiotic environment by means of negative feedback.

Students define, give similarites and differences between solids, liquids, and gases. They compare and contrast a solid, liquid and gas in terms of shape, volume, compressibility, diffusion and density. Pupils classigy common...

Learners investigate the process that occurs when liquids evaporaate. They test water and alcohol to determine which substance evaporates more quickly and relate the rate to energy changes.

Students review how their nutritional needs change over time. In groups, they design their own menu in which they get all the nutrients they need. To end the lesson, they share their foods with the class and complete a wordsearch...

Fourth graders brainstorm a list of words associated with weather. In groups, they sort the words into categories and observe the weather in their area for a month. To end the lesson plan, they compare the barometer measurements for a...

Seventh graders investigate the concept of looking at the data put in a variety of ways that could include graphs or data sets. They analyze data critically in order to formulate some sound conclusions based on real data. Students graph...

In this precalculus worksheet, students complete horizontal shift identifies. They graph functions, solve trigonometric equations using algebra, estimation and with the use of a graphing calculator. Students find the cosine of curves. ...

In this earth fact worksheet, students look at a picture of the planet earth and read a list of accompanying facts, along with a brief paragraph.

In this worksheet on the planet Venus, students look at a picture of the planet and read accompanying facts, along with a brief paragraph.

Students investigate the properties of water. In this states of water activity, students explore how water goes from liquid to solid and back to liquid again. Students use measurement, observation, and communication to describe the change.

In this English worksheet, students read "One Way Ticket to Mars Mission," and then respond to 1 essay, 47 fill in the blank, 7 short answer, 20 matching, and 10 true or false questions about the selection.

In this ESL worksheet, students complete exercises on five pages. All the English questions pertain to weather and tourism in the students' home countries.

Students answer short answer questions about the water cycle and other cycles. In this water cycle lesson plan, students explore clouds, rain, evaporation, and more.

Learners observe that air exerts pressure, that heated air expands and that cooled air contracts. After the demonstration, students engage in a question and answer session about what they saw.

Student make ice cream and study the chemistry of how it is made and frozen.