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High school  
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This is a lesson about generating hypotheses and testable questions. Learners will use critical thinking and a collaborative approach to pose questions related to the study of Mars and evaluate the quality of their questions. They will explore... (View More)

Keywords: NSTA2013
Audience: Elementary school, Middle school, High school
Materials Cost: Free

In this activity, student teams will create a controlled experiment by building ecosystems in two 2-liter bottles. Teams determine the control conditions of both bottles, identify a test variable, and run the experiment for several weeks to... (View More)

Learners will take and then compare the images taken by a camera - to learn about focal length (and its effects on field of view), resolution, and ultimately how cameras take close-up pictures of far away objects. Finally, they will apply this... (View More)

In this inquiry activity, teams of students are challenged with engineering a greenhouse heat trap for use with exotic plants. The investigation requires thermometers, plastic wrap, and a shoebox for each team. Students graph data and determine the... (View More)

This is an activity that compares the magnetic field of the Earth to the complex magnetic field of the Sun. Using images of the Earth and Sun that have magnets attached in appropriate orientations, learners will use a handheld magnetic field... (View More)

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

This activity uses an episode of poor air quality over the Midwest and Eastern seaboard to engage students in an exploration of the collection, comparison, analysis and utilization of air quality data. With the aid of a camera, the EPA website and... (View More)

Audience: High school
Materials Cost: Free

This activity uses rain and flood events in the Midwest to engage students in an exploration of the collection, comparison, analysis and utilization of rainfall data. Students will access online precipitation data from both a ground-based station... (View More)

Audience: High school
Materials Cost: Over $20 per group of students

In this demonstration activity, students make structural models of gas molecules using pipe cleaners and polystyrene balls and test their molecules for their resonant frequency. Students shake the models, count vibrations, and compare the resonance... (View More)

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