Students investigate the characteristics of simple machines. In this simple machine lesson, students investigate work as a product of applying constant force. They answer questions about what happens on Earth and what may have happened...

In this online interactive vocabulary skills worksheet, students match 6 words to the appropriate 6 suffixes. Students may submit their answers to be checked.

Students study the solar system by researching the planets.  In this exploratory lesson plan students divide into teams and create mobiles.

Students explore six simple machines and locate them operating in a compound machine. The simple machines are identified at a variety of stations set up in the classroom and continued by identifying the machines in their homes.

Students use a given spreadsheet to investigate an iterative process by changing the variables. They design their own spreadsheet to investigate the iterative process.

Extensive site for teachers provides some helpful resources that pertain to plant and animal cells. Includes a microscope diagram as well as plant, animal and pond labs. Also contains links to structures and mechanisms, matter and...