In this earth's environment worksheet, young scholars use the 20 clues and their problem solving skills to correctly complete the crossword puzzle.

In this chemical and physical change worksheet, learners are given details about chemical and physical changes. They are given 2 examples using water and salt and they identify 15 statements as chemical or physical changes. Students...

Students study the different soil types and describe the different soils in various environments.  In this soil lesson students walk to a reserve and discuss what they saw. 

In these chapter test worksheets students will multiple choice questions on atoms. Students will complete 77 questions on atoms to complete the chapter test.

Students experiment with crystals and polymers and examine their roles in food science.

Second graders explore how plants produce oxygen.

Seventh graders use the Alice program and complete a world that is damaged after a tornado.  In this atmospheric conditions instructional activity students complete an activity using the Alice program. 

Students write a balanced chemical reaction. They articulate how burning fossil fuels increase the carbon dioxide levels in the atmosphere. Students incorporate all the environmental risks involved as well.

Students demonstrate sound waves and make changes in the waves resulting in changes in pitch. Students associate changes in pitch in various "musical instruments"with size and shape and the sound waves they produce.

Explore the particle model of matter. Run the simulations and see if you can predict the results.

Five exemplary chemistry lessons about the three states of matter complete with handouts and animations.

Great animations showing how sound is produced.