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In this lesson, students help a comic book publisher understand the path of a drop of water traveling through the water cycle. Key words and concepts covered are water cycle, erosion, gravity, heating, and cooling.…
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This lesson introduces students to the module challenge—the Rainwater Roundup Challenge. Through a slideshow and water activity, students learn about water as a scarce natural resource. As a foundation for understanding…
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The same water that has existed on Earth for millions of years travels through a series of steps in a cycle from mountains to the sea, flows in and out of the cells in your body, and comprises 95% of the mass of a…
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Where does water go when it flows down a river? Can water move land? What is the most effective way to use water to grow plants? These are just a few of the questions that students can explore with the lessons in this…
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In this activity, students will see if the volume of an ice and water mixture goes up or down when the ice melts.
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Water is such an integral part of human existence that it makes up nearly three-quarters of Earth’s surface and has a profound effect on all life on Earth. Water vapor in the atmosphere accounts for just one-thousandth…
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A substance’s molecular structure is responsible for its properties and governs how it interacts with other things on Earth. This Activity introduces and explores one specific property of liquid water. This sample…
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Water is an extraordinary substance that we often take for granted. Not only is it what makes our planet uniquely habitable, water is the only substance on Earth that naturally occurs in three different forms. In this…
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The purpose of this assessment probe is to elicit students' ideas about magnetism. The probe is specifically designed to determine whether students believe air is necessary for magnets to work.
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The purpose of this assessment probe is to elicit students' ideas about dissolving. The probe is designed to find out what students think happens to sugar when it dissolves in water.
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This chapter presents a case study on The Discovery of Taq Polymerase using the discovery engineering process. In this lesson, students explore the discovery and subsequent use of Taq polymerase, an enzyme from the…
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The Sun is the ultimate power source for many of the processes on Earth, and water serves as a battery, storing and releasing the Sun’s power. These ideas are important for students to understand, because they form the…
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The purpose of this assessment probe is to elicit students’ ideas about the surface of Earth. It is designed to find out if students recognize that most of Earth’s surface is covered by water and helps students learn…
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As children explore the properties of water, they build a foundational knowledge of a material that is important in all the areas of science. This chapter focuses on activities of water play that is so common in early…
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In this chapter, the objective of the activity “How Can We Move Water?” is to explore the idea of work as expending energy to move water, to raise the question of what force(s) move water, and to gain experience using…
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