Students discuss the work "Filter." They list types of filters they know about and look at both clean and used filters. Students speculate on how a filter might be important to a fish. They listen to the instructor tell them about...

Students use field practices to clean foul water, they comprehend the differences in solution and solutes. They work in groups and discuss the lab instructions. Students start with oil-water separation technique. They complete a...

Pupils use observation skills in assessing the water quality of water samples in this activity and learn that the tastes and preferences of others can be different.

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.

For this preparation of triiodomethane learning exercise, students use propanone to prepare triiodomethane. Students use filtration and recrystallization to produce the product. They determine the melting point using a melting point...

Students, through a series of lessons, study the various processes of treating wastewater. They participate in discussion and complete various worksheets and a hands-on activity, in which they observe the processes of filtration and...

Fifth graders describe a wetland habitat and its components. They provide, in writing, at least one example of a wetland food chain, relate wetlands to ecological functions, and relate the importance of wetland functions to their own...

Complete with teachers' notes for most of the slides, this is a tremendous presentation of the four types of tissues: epithelial, connective, nerve, and muscle. Each is displayed with pertinent vocabulary and photos of microscope slides...

In this urinary system worksheet, students review the role the kidneys and nephrons play in the formation of urine. Students order the steps of the filtration of blood. This worksheet has 3 short answer and 10 fill in the blank questions.

Chemistry explorers prepare a crystalline derivative and find its melting point. Once they discover the melting point, they can identify whether the substance is pure or an aldehyde or ketone. This outstanding laboratory activity helps...

Young scholars examine various types of household materials for their usefulness as filters. They work together in teams to design a filtration system that produces the cleanest water in the shortest time.

Tenth graders use a classification key to identify organisms.  In this classification lesson plan students identify freshwater species of fish and document their observations. 

Explore homeostasis in animals with this all-encompassing worksheet. Advanced biology pupils consider a variety of mechanisms for maintaining internal conditions such as temperature and waste products. Eighteen short-answer questions...

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 nephron worksheet, students color the parts of the nephron and answer five questions about the structures and functions of the parts of the nephron.

For this thermal decomposition of calcium carbonate learning exercise, students perform three experiments on calcium carbonate, make observations, and write the equations for each reaction. Students explain in detail what happened at...

Students discuss ammonia, and ways it may get into the aquarium. They complete a worksheet about the Nitrogen Cycle. Students learn how to get the ammonia and nitrite out of their aquarium.

Students examine how river travel affected the Lewis and Clark expedition. They define gravity, slope, and velocity, conduct a river formations experiment, complete an activity sheet, and watch a video about Lewis and Clark.

Students perform two experiments to show the properties of enzymes. They use pectinase to produce apple juice from applesauce to show enzyme action and then taste the difference between raw and boiled papaya seeds as evidence of enzyme...

Students explore mixtures and compounds. In this activity, students do an experiment to distinguish between mixtures and compounds. Students complete ten different phases of the experiment testing many different substances. Students will...

Students use mushrooms to solve problems. In this environmental lesson, students study how fungi have been used to combat environmental problems. Students design strategies that employ mushrooms to combat other environmental challenges.

Learners explore the effect of chemical erosion on statues and monuments. They use chalk to see what happens when limestone is placed in liquids with different pH values. They also discover several things that engineers are doing to...

Students perform simple experiments to show properties of enzymes through studying how apple sauce can turn into apple juice and experimenting with papaya seeds. Students witness how enzymes speed up reactions through witnessing the...

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.