Students conduct various experiments to investigate plant transpiration. In this biology lesson, students explain how this process helps maintain the hydrologic cycle. They measure the rate of water loss in plants using a potometer.

Students build their own kite following certain procedures. In this physics lesson, students explain the aerodynamics concepts involved in flying kites. They trace the development of aviation.

Students compare various brands of floor polishes and test their durability and appearance.  In this floor polish lesson students test different polishes and check performance. 

Students investigate the hardness of different water samples using the conductivity meter. In this chemistry lesson, students build their own meter following specific procedures. They identify an unknown sample of water.

Students conduct a series of scientific investigation using bioinformatics. In this molecular biology instructional activity, students collect experimental data using different educational softwares. They calculate and analyze...

High schoolers study the characteristics of yeasts. In this biology lesson, students conduct experiments to measure yeast respiration. They discuss the favorable conditions needed for growing them.

Students access the Internet to answer a variety of questions posed in this technology lesson.

Students research the culture of the Mayans. In this early civilizations lesson, students research selected Maya city-states including Tikal, Clakmul, Piedras Niegras, and Uaxactun. Students use their research findings to...

Students research the contributions of Civil Rights leaders. For this human justice lesson, students research selected websites about the accomplishments of leaders of the American Civil Rights Movement. Students use their...

Middle schoolers design an experiment to investigate how objects with different masses fall. In this physics lesson, students predict how these objects will fall in a vacuum tube. They write a report explaining experimental results and...

Students examine the basics of luminous efficacy and why it is used.  In this light source lesson students test energy efficiency and the luminous efficiency for babies.

Learners explain how battery chargers work. In this physics lesson, students discuss the two main ways that vehicles get charged. They build their own battery charger.

Learners build their own compass following a given procedure. In this technology lesson, students explain how a compass is used in navigation. They trace the history of its development.

High schoolers explore how compass and Gauss meter detect a magnetic field. In this physics lesson, students build their own Gauss meter and sensor based on given procedure. They cite real world applications of magnetism.

Students conduct a series of experiments on electromagnets. For this physics lesson, students build their own electromagnet and explain how it works. They determine the factors that affect its strength.

Students construct a homopolar motor following certain procedures. In this physics lesson, students explain how generators and motors work. They compare and contrast the characteristics of both.

Students conduct a series of experiments on static electricity. In this physics lesson, students arrange explain how objects become electrically charges. They predict which objects will become charged when rubbed together based on the...

Students explore electrical resistance through various experiments. In this physics lesson, students calculate resistance using a mathematical formula. They explain how colors identify the resistance value of a resistor.

Students investigate the magnitude of Earth's magnetic field using PASCO. In this physics lesson, students describe the features of the magnetosphere. They explain how atmosphere layers protect the Earth.

Learners study the Venus Flytrap including its habitat and how it eats.  In this ecology instructional activity students complete several experiments using a Venus Flytrap to see how it reacts to various conditions. 

Students analyze data taken from proteomic experiments. In this biology lesson, students explain the importance of bioinformatics tools in the study of proteins. They evaluate scientific results using math and computer software.

Learners construct their own submarine following a certain procedure. In this physics lesson, students calculate the density of objects using a mathematical formula. They explain why some object floats in water while some do not.

Students study chromatography and how they can distinguish between the different pigments in a color.  In this chromatography lesson students separate a mixture of dyes in soluble ink then record the colors they see. 

Students evaluate different cosmetic products. In this chemistry lesson, students determine the physical and chemical components of their samples. They perform various test such as pH, viscosity, conductivity and formulate a conclusion...