Students explore the why the balance among producers, predators and prey is necessary in order for an ecosystem to be sustained over time. Through web games and activities, they discover how each component of the food chain works to...

Students evaluate water quality of different sources.  In this water assessment lesson students chemical testing, identify biological factors in the stream, and write a paper on their position of the stream's quality. 

Students discover that scuba diving is more than a sport. It's a science that operationally integrates physics, chemistry, physiology, and oceanography. They perform a simple experiment which simulates the air tanks used in scuba diving.

Pupils explore electromagnetic forces. In this electromagnetic lesson, students construct a working electromagnet and conduct a series of experiments to see what increases the strength of an electromagnet.

Students examine the responsibilities of the 3 branches of U.S. government. In this checks and balances lesson, students identify the powers of the legislative, executive, and judicial branches of government. Students share examples of...

Learners make a chart on what they learned about how a bill becomes a law. In this law making lesson plan, students research the authority and restrictions placed on Congress on how they make a bill into a law and then present their...

Students experiment with a Leyden Jar, a device that stores electrical charges. A large voltage can be built up in this jar by adding more and more charge. The modern name for this device is a capacitor.

Fourth graders explore relationships among organisms involved in ocean food chains to investigate interdependence of the organisms.

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...

In this electricity worksheet, students review electric charges and what types of materials can conduct electricity. This worksheet has 7 fill in the blank, 5 true or false, 3 multiple choice, and 5 short answer questions.

Young scholars consider why we eat and where our food obtains its energy. They illustrate food chains that might be found on an open field, dissect owl pellets, identify the remains of animals in the pellets, watch videos and participate...

Ninth graders discover the uses and main characteristics of robots then design a robot that performs a task that people do not want to do. Colored drawings of their robot are created including labels of the parts and explanations of...

In this water worksheet, students fill in the blanks to a crossword puzzle having to do with water words. Students complete 25 blanks in the crossword.

Students consider rights a worker deserves and research the impact of migrant workers in countries around the world. They create public service announcements to increase awareness and address letters to individuals capable of redressing...

Sixth graders analyze and compare a cell's tissues, organs and organ systems. They watch a video reviewing the body systems and design poster boards showing their functions.

Seventh graders cut and paste animal pictures to create a food web and trace the path of energy. They write a paragraph explaining the importance of photosynthesis in all food webs.

Students investigate the functions of different body systems. They conduct research about the major body systems to attain information. The teacher prepares the room for the lesson. Students walk and talk through each major system as...

Learners list as many examples as they can of sensors in their homes and/or automobiles, define sensor and discuss what qualifies devices as sensors, explore human eyes as sensors while watching teacher demonstration, recognize that...

Fourth graders investigate the three types of rocks and study about petroglyphs. They explore why petroglyphs were used by the Nez Perce People. Students investigate the properties of the three types of rocks and they discuss cultural...

In this circulatory system worksheet, students label the diagram of the heart to include each of the terms listed. Then the draw arrows showing the path of oxygen-rich blood and poor blood. Students describe pulmonary circulation and its...

In this ocean currents worksheet, students will use maps of the Atlantic Ocean currents and the Pacific Ocean currents to complete 6 short answer questions.

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

In this rates activity, students read story problems, determine the necessary information, and set up equations to determine the velocity and rates. This two-page activity contains two multi-step story problems.

In this biosphere activity, learners identify the different levels of organization that ecologists study. Students complete charts, sentences, and answer short answer questions.