How Can We Sense So Many Different Sounds From A Distance?
This middle school unit on sound starts off with students exploring a perplexing phenomenon where sounds and voices are heard coming from a paper cup and needle as a plastic disc (a record) is spun underneath it. This phenomenon fuels a series of questions and ideas for investigations to pursue about how sound is produced, how it travels, and how it is detected and encoded. (PS4, LS1, PS2, PS3)
How Do Eggs Become Chickens or Other Living Things?
This middle school unit begins with news reports about the growing prevalence of backyard chicken coops across the country. Disagreements about why some chicken eggs hatch into baby chickens and others do not, as well as competing models about what is going on inside eggs before they hatch, spark student questions leading to investigations of where babies of chickens come from and how they develop. These investigations help students uncover the role that food, blood, cells, and tissues play in the in the development of embryos and growth in different animals. (LS1, LS4)
How Can We Make Our Own Fog?
[Coming Soon - anticipated release date early 2019]
In this physical sciences unit on the particulate nature of matter, students explore the phenomenon of fog with an end goal of designing and building an affordable and safe fog machine. This goal motivates students to figure out more about natural fog through a series of investigations related to weather data and properties of air and water. Their discoveries help them develop particle-level concepts related to temperature, thermal energy, and phase changes .These understandings help students' explain how natural and artificial fog is formed and these explanations inform their engineering designs. (PS1, PS3, ETS1)
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