In this cells worksheet, students define 14 words associated with cells. They answer 12 short answer questions about the structure and function of the cellular system.

In this word search worksheet, students locate 20 words related to science. The word list includes volume, mixture, and solute.

In this mixtures activity, students fill in 7 blanks, determine if 4 statements are true or false, match 7 terms with the appropriate definitions, and solve 2 problems. These include topics such as homogeneous and heterogeneous mixtures,...

Students watch videos about unusual fish behavior and write to marine scientists about the proper care of fish. In this fish lesson plan, students watch the videos on how to properly transfer fish to saltwater, and they do so in an...

In this kidneys instructional activity, students review the structure and function of the kidneys in the human body. This instructional activity has 18 fill in the blank statements.

Students investigate techniques involved in extracting and isolating DNA. Students extract and observe onion DNA.

Young scholars conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield...

In this science worksheet, middle schoolers find the terms that are related to the concept of the ocean salt and sand. The answers are found by clicking the link at the bottom of the page.

In this literacy worksheet, students look for the words in the puzzle that are related to the theme of the word search. Spelling skills are worked on.

In this science quiz worksheet, students complete a set of 20 true or false questions covering a variety of general science topics. An answer key is included.

This educator guide provides students with a challenge to design, build, and test a water filtration system, simulating what is used in a spacecraft. Includes background information, lesson plans, and extension activities.

Student groups design a water filtration system and present to the class why they picked their design.

Students will learn about the importance of water and the role it plays in our lives. Students will be exposed to what must occur each day so that they can have clean water.

In this lesson students will learn about water treatment and what happens to water when it goes down a toilet and drains into sewers. Through further investigation students will understand the relationship between water treatment and...

Students are introduced to the fundamentals of environmental engineering as well as the global air, land and water quality concerns facing today's environmental engineers. After a lesson and activity to introduce environmental...

PBS and the Online NewsHour have created this multimedia website about water recycling. You can see how this process is different than other waste water treatments by reading interviews, watching a slideshow or investigating a map of...

Discusses many options of water treatment, the contaminants that the treatments are focused on, how the treatment works, and common treatment systems.

What role can plants play in the water filtering process? This PDF document features a class activity to help students understand the role of plants in filtering water.

In this guide helps students understand their garden as a model watershed through the collection and analysis of rainwater filtration data.[4.06]

Explore these resources to learn more about the natural and engineered processes that can help contribute to improved water quality.

Student teams practice water quality analysis through turbidity measurement and coliform bacteria counts. They use information about water treatment processes to design prototype small-scale water treatment systems and test the influent...

Working in teams of "engineers", students learn about filtration systems and how they can remove impurities from drinking water.

Learn about the two methods to clean water: distillation and filtration.

Lesson addresses the challenge of supplying clean water during times of a shortage and includes a look at the various water-treatment and filtration processes in place to insure a safe water supply.