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Topics/Subjects:
The nature of science  
Materials Cost:
$1 - $5  
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Now showing results 31-40 of 56

Learners will explore the molecular geometry and mechanics of ice. They will create a model of H2O, investigate its molecular structure and its consistent shape. Faraday's experiment is used as background. Activities include small group miming,... (View More)

This is a detailed historical lesson about comets, distant icy worlds often visible to observers on Earth. Learners will consider the essential question, "What are comets?" They will practice observation skills as they enact a story of comets... (View More)

This is a lesson about the phenomenon of ice and about scientific inquiry. Learners will ask scientific questions about ice, will delve into the nature of science, embark upon scientific inquiry, and will practice scientific enterprise. Activities... (View More)

This is a lesson to demonstrate magnetic field lines in 2- and 3-dimensions. In the first activity, learners sprinkle iron filings over a magnet underneath a paper and record their observations. The second activity involves building a 3-D magnetic... (View More)

Audience: Middle school
Materials Cost: $1 - $5 per group of students

This activity explores how ancient Sun observers made use of natural and built structures to mark solar alignments observed at different times of the year, particularly around the solstices and equinoxes. In Part 1, the teacher prepares a horizon... (View More)

In this project, students construct shelters that have varying properties and place them in the same location, or place similar shelters in different locations and compare temperature data taken in each shelter. Students predict what will happen for... (View More)

This learning activity engages students in measurement of pH in water and soil samples, plants and other natural materials. By mixing different substances, they observe how pH changes, and become familiar with the pH of common household products.... (View More)

Learners will use trays of sand and cups of water to recreate surface features seen in images of Mars. This is activity 5 of 9 in Mars and Earth: Science Learning Activities for After School. Note: The Mars image set that is needed to do this... (View More)

Keywords: Mars

This is an activity about modeling and the scientific process. Learners will discuss the models they created in the previous three activities as models of forces that shape the surface of planets, and talk about the similarities and differences... (View More)

Keywords: Mars

This is a lesson about designing and building an effective sunshade for a model MESSENGER craft. Learners will build a model of MESSENGER. They will use a scientific approach to solve problems and work as a cooperative team. They will discover their... (View More)