Filters: Your search found 10 results.
Topics/Subjects:
Life sciences  
Materials Cost:
Free  
Instructional Strategies:
Hands-on learning  
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In this field-based investigation, students survey vegetation and small animal diversity in a study plot. They calculate the biomass of different organisms, and create a habitat action plan based on their data. A student data sheet is included. This... (View More)

Audience: High school
Materials Cost: Free per group of students

In this textbook chapter, students are introduced to Mendelian inheritance and the biological processes through which changes in DNA are created and propagated within a population. An activity teaches students about dominant and recessive alleles,... (View More)

Audience: High school
Materials Cost: Free

This introductory textbook chapter presents data demonstrating decreased global biodiversity and its link to human activity. The resource includes a field-based student investigation of local biodiversity, links to current news articles, and an... (View More)

This textbook chapter outlines the historical development of the Theory of Natural Selection, presenting classic evidence including Darwin's study of finch beak variation in the Galapagos Islands and Kettlewell’s investigation of the pepper moth... (View More)

Keywords: Adaptation; Evolution
Audience: High school
Materials Cost: Free

Tree ring analysis and satellite data observations are combined in this investigative lesson on past climate. Students will compare the width of tree rings from a real or virtual tree x-section with precipitation levels from authentic satellite... (View More)

Audience: Middle school
Materials Cost: Free

This is an activity about the discovery of water ice on Mars. Learners will create physical models using Earth samples to answer the question, "is it more likely that high altitude regions of Mars are composed of icy dirt (with ice filling the pore... (View More)

Keywords: Mars
Audience: Middle school, High school
Materials Cost: Free

In this activity, students survey other people to find out their thoughts about life beyond Earth and compare their ideas with visitors to the Cosmic Questions exhibit. Students can also analyze their survey data to see whether there is any... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this activity, student teams learn about research design and design a controlled experiment exploring the relationship between a hypothetical planet, an energy source, and distance. They analyze the data and derive an equation to describe the... (View More)

In this lesson, students are introduced to atoms, molecules, and elements. Learners will build constructions out of different types of building materials as a metaphor for atoms and molecules. They interpret different symbolic representations for... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free

In this activity, students pose several hypotheses for what will happen if you continue heating or supplying energy to the hot and cold planet models (Mercury, Mars, Venus, and Earth) and then test their hypotheses using a spreadsheet based... (View More)

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