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Topics/Subjects:
The nature of science  
Instructional Strategies:
Identifying similarities and differences  
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Now showing results 41-50 of 71

Students become aware of the changes in visibility and sky color due to particles suspended in the air, called aerosols. They observe, document and classify changes in visibility and sky color over several days and understand the relationship... (View More)

This lesson is about cleanroom technology and the importance of contamination control. Learners will discover the different types of industries that use cleanrooms. The activity centers on drawing a parallel between suiting up for the Genesis... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this hands-on activity, students conduct bottle experiments to learn about the conditions that best facilitate the decomposition of organic material in soil. In the lab, they observe changes in the decomposition of vegetable scraps by varying the... (View More)

In this activity, students quantitatively evaluate the accuracy of a classification and understand a simple difference/error matrix. Students sort birds into three possible classes based on each bird’s beak: carnivores (meat eaters), herbivores... (View More)

In this activity, students learn about hierarchical classification systems and create their own classification system for leaves they collect in the field. They learn about the key characteristics for classification systems and see that there are... (View More)

In this activity, student teams design and conduct a scientific investigation in which they explore the conditions necessary for life. They conduct observations of environmental conditions both indoor and outdoor, and determine the range of... (View More)

In this laboratory activity, students analyze soil samples from their homes to identify soil properties and learn about soil classification. Soils sampled by students from different environments are compared, and students ask questions about the... (View More)

In this 2-part inquiry-based lesson, students conduct a literature search to determine the characteristics of the atmospheres of different planets (Venus, Mercury, Mars and Earth). After collecting and analyzing data, student teams design and... (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 is a lesson about Saturn. Learners will organize their knowledge of Saturn and Cassini to prepare to write one of the following types of nonfiction for their final piece: descriptive (poetry), compare and contrast, or summary. This is lesson 11... (View More)

Audience: Elementary school
Materials Cost: Free