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Most children have a difficult time believing that air has mass and takes up space, so the concept of water vapor floating in the air is just as problematic. The story in this chapter helps provide an opportunity to…
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Some students are not aware that an object weighs as much as the sum of its parts. The story in this chapter has two purposes. One is to allow students to test their ideas about the distribution of weight, and the other…
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Rust is one of the most common of every day phenomena, but again, is probably one of the least understood by students. The story in this chapter attempts to get students and their teachers involved in some tests to see…
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Children think of floating or buoyancy in several ways. The purpose of the story in this chapter is to motivate students to solve the mystery of why objects bob up and down in carbonated drinks.
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There is currently a strong effort to combine science and literacy, because a growing body of research stresses the importance of language in learning science. Discussion, argumentation, discourse of all kinds, group…
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Some students may not believe that it is possible for a puddle that appears larger to evaporate more quickly than one that seems smaller. The story in this chapter has to do with evaporation. The authors explore the…
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Your students will probably not be aware of the amount of water that covers the Earth’s surface. The story in this chapter will help introduce students not only to a clearer idea of the characteristics of our planet,…
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Many of your younger students do not believe that air around us has mass or weight, let alone exerts pressure on us and on everything around us. So, the idea that the atmosphere in which we walk actually has mass and…
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It is not difficult to understand that students may have a misconception that the clocks we use are directly related to Sun time and that changing the clocks will alter the Sun-Earth time relationship. This chapter and…
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Students may have the idea that all mountains are volcanoes and were formed by eruptions. The story in this chapter brings up questions about the geology of mountains and the weathering and erosion that takes place as…
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The story, in this chapter, is meant to show students the importance of leavening agents in making baked goods. Yeast, a living organism (a fungus), is necessary for baking risen yeast breads. This fungus can be…
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Springtime in the Greenhouse: Planting Season
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Children and adults alike are prone to believe that if a little of something is good, more is better. In the case of this story, your students will probably believe that if fertilizer is good for growing plants, it must…
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Students may have the impression that all kinds of reaction time responses can be improved through practice. They may believe also that every kind of stimulus produces the same kind of reaction time. The story, in the…
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In this chapter, this story really leaves us hanging! It’s a great one for real investigation! There are two purposes of the story: the first is to investigate closed systems. Anything that happens inside uses up only…
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Melting and dissolving are two of the most often misunderstood concepts in both child and adult populations. Many children believe that when a substance dissolves in a solvent it does not exist any longer. This chapter’…
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