Curated OER
Absolute Ages of Rocks
In this ages of rock worksheet, students review the processes involved with determining the ages of rocks which includes the radioactive decay of carbon-14. This worksheet has 5 matching and 5 short answer questions.
Curated OER
What Is Radon?
Students examine what radon is and which isotope it belongs. They discuss the characteristics of isotopes in general and the atomic number. They complete a worksheet to complete the instructional activity.
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Structure of the Atom
Students practice drawing the atomic structure of several different elements. They complete critical thinking questions about atomic structure and compare the atomic mass units for different ions and isotopes of an element.
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Finding the Spot
Fourth graders use circles to "home in" on particular spots, showing the ability of scientists to locate unseen objects in space. This activity shows how scientists know certain objects exist in space due to the forces exerted by...
Curated OER
Popcorn Neutrino Lab
Students parcticipate in a modeling activity that simulates the cyclical role of experimental and theoretical science. Initially, students measure the mass of popcorn. They also record predictions of the mass of the kernels after they...
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Basic Chemistry Review
Young scholars experiment to show their knowledge of molecules and atomic structures. In this chemistry review lesson students participate in an activity and then fill out a worksheet.
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