Ninth graders study the climate regions of Europe. In this geography skills lesson, 9th graders determine how weather and climate are influenced as they research the climate zones of specific locations and write about the ways that...

Students identify macroinvertebrate species to investigate ecological systems and the relationship between humans and the environment.

Students discover that the actions of people can have a positive influence on a community. They use a variety of resources to research biographies of African Americans. Students research and discuss the life of Martin Luther King, Jr.,...

In this health worksheet, middle schoolers find the words that are part of the circulatory system and the answers are found by clicking the button at the bottom of the page.

Fifth graders study the circulatory system. In this circulatory system, 5th graders participate in five stations with different activities at each station. Students discuss their findings from each station.

Students explore the circulatory system of animals. Using the Internet, students research animals without circulatory systems. They identify the three types of blood vessels and describe the flow of blood through the heart. Finally,...

Pupils identify the different parts of the circulatory system and their function. They work together to create their own model of the system and use it to determine the rate of blood flow. They answer questions related to their model.

In this lymphatic system worksheet, students describe whether they think that the lymphatic system is well-adapted to carrying material through the body in comparison to the circulatory system. Then they design a lymphatic system for an...

Learners explore various parts of the heart and blood vessels . They begin with an overview of the components of the cardiovascular system. They see a cross section of an artery and watch how a blood clot develops.

Learners put together a 3-D interactive "heart" puzzle and learn the names of heart parts.

Pupils explore the circulatory system. They observe a dissection of a heart and view the path that blood takes through the heart and the circulatory system. Students identify the structures and functions of the heart. They write a letter...

In this excretory system worksheet, students describe the functions that the organs of the urinary system perform and what happens when the kidneys do not work properly. Students also name the excretory organs of the body and explain why...

Students describe three methods of obtaining food: scavenging, filter feeding, and hunting. They describe three methods of obtaining food: scavenging, filter feeding, hunting, and list at least two reasons why humans are not considered...

Second graders, in groups, explore sinkholes and how they effect humans and the natural environment.

Students learn about the biological carbon cycle. In this carbon cycle lesson, students access the web site and mouse over the diagrams to follow the carbon cycle. They read about what happens to humans and plants during this cycle.

Fifth graders determine that carbon dioxide is a gas given off during respiration and that oxygent is the gas that is absorbed during respiration. They determine the air capacity of the lungs.

Students discover how muscles work. In this biology lesson, students explain the causes of fatigue and muscle soreness. They create graphs and compare results with their classmate.

In this biology worksheet, students identify and locate various vocabulary terms found in a biology lesson. There are 39 biology terms located in the word search.

Tenth graders review the Energy, Matter, and Organization unit. They have one week to complete an essay. Students must submit a concept map or drawing. The activity is introduces by reading a short story line which presents a simple...

Nanofibers can be made through electrospinning or force spinning in order to reduce the negative impact on the environment. Pupils study the role of fibers and dye on the environment through a series of five hands-on activities. Then,...

Want to hear a joke about sodium? Na. Young scientists test various materials to identify if they include protein, starch, and glucose by using the Biuret test, iodine starch test, and Benedict's test respectively. After practicing with...

When we think of ocean exploration, many of us have visions of sunken pirate ships full of treasure or mysterious creatures of the deep. What really motivates deep-sea investigation? The first in a series of diverse six-part lessons...

Which is worse — drought or flooding? Neither is helpful to the environment, and both are increasing due to climate change. The 16th lesson in a series of 21 covers the average precipitation trends for two different climates within the...

How do barns serve as a window to a community's past? Here are a series of lessons on the symbolism and historical context of barns throughout American history. Topics include community-building, in-depth primary and secondary...