Curated OER
An Eclipsing Binary System with a Precessing Accretion Disk
Students work together to complete an experiment over binary sources. They determine values for the orbital period of certain objects and interpret intensity changes. They also calculate a value for the period of precession of an...
Curated OER
Observing Bursts from an X-ray Burster
Students study the use of X-ray data to make size and energy estimates of the source and the processes occurring there. They use XTE observations of the object GRO 1744-28 to determine whether bursts occur periodically and the duration...
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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...
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Periodic Table Basics
In this elements instructional activity, students review the periodic table and how the elements are organized in the periodic table. This instructional activity has 5 short answer and 4 fill in the blank questions.
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Gamma Ray Bursts
Students study an article on Gamma Rays. In this investigative instructional activity students study the energy and wavelengths of gamma rays and the theories behind them.
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Periodic Trends
Students identify the different periodic trends. For this chemistry lesson, students discuss how elements are arranged in the periodic table. They apply what they have learned in a Jeopardy team game.
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Periodic Table Patterns using Fabulous Periodic
Students explain how elements are arranged in the periodic table. In this chemistry lesson, students group the eggs according to a certain pattern. They compare this to elements in the periodic table.
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A Journey of Discovery with RXTE
Students complete different missions to examine the topic of x-ray sources. They use satellite images and websites to gather the information they need to complete the lesson. They complete a worksheet to end the lesson.
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Transformation of Energy
Sixth graders explore and discuss how several electrical devices work and what energy conversions occur in each device. They connect a zinc strip to a copper strip with alligator clips and wire, immersing each strip in lemon and check...
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Organization of the Elements and Periodic Table
Students identify how to relate the position of an element in the periodic table to its atomic number and atomic mass. They also identify and interpret how to use the periodic table to identify metals, semimetals, nonmetals, and...
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Basic Chemistry Review
Students experiment to show their knowledge of molecules and atomic structures. In this chemistry review instructional activity students participate in an activity and then fill out a worksheet.