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Topics/Subjects:
The nature of science  
SMD Forum - Primary:
Astrophysics  
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This activity is designed to help building student understanding of how scientific theories can change over time. Science theories change in the face of new evidence. However, when new explanatory frameworks, or theories, are proposed to explain... (View More)

This lesson examines the different roles scientists play in discoveries. Students will research various satellites and their uses. In addition, they will explore the different careers associated with the development of satellites, as well as, the... (View More)

Audience: Middle school, High school
Materials Cost: Free

This lesson will help students understand the cultural nature of scientific research. Students explore famous scientists, their theories, places of origin, and their culture. They document scientific viewpoints of famous scientists throughout... (View More)

In this activity, students research scientific discoveries that happened by accident in the past, and learn how gamma-rays were discovered by 20th century scientists. In the process, students develop an understanding that science theories change in... (View More)

This interactive, online activity traces the history of the telescope from Galileo's first look at the stars to the work of modern observatories. Learners will read about the milestones in telescope development, witness the interplay between... (View More)

Keywords: History of science
Audience: Middle school, High school
Materials Cost: Free

In this hands-on activity, students analyze the data on Mystery Object Cards, observe that astronomical objects have many observable properties, and discover that these properties allow scientists to categorize astronomical objects into different... (View More)

In this interactive, online activity, students explore the nature and composition of comets by selecting and mixing different elements and compounds found in a comet's nucleus. Students then observe the results of their mixtures upon the appearance... (View More)

Audience: Middle school
Materials Cost: Free

In this interactive, online activity, bias is explored when the students decide which of several sampling methods are biased. They see how bias affects the percentage of irregular galaxies determined to be in the sample from the Deep Field. After... (View More)

Audience: High school
Materials Cost: Free

This lesson is comprised of four parts grouped to enable student appreciation of the importance making accurate scientific observations, descriptions, and drawings. In part one, The Truth is Out There, students describe an object given to them by... (View More)

This online module includes three activities: Spiral Shapes, Elliptical Slide, and Imagine Irregular. By completing these activities, students discover that galaxies come in different shapes and learn about the process used by astronomers to... (View More)

Keywords: Process skills
Audience: Elementary school, Middle school
Materials Cost: Free