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This activity is about viewing the planet Mars (and others) through a telescope. Learners will go outside on a clear evening to view the planets and other celestial bodies for themselves. Using sky charts and other resources, and possibly in... (View More)

Audience: Informal education

This is a set of three activities about how scientists study other worlds. Learners will explore and compare the features of Mars and Earth, discuss what the features suggest about the history of Mars, and create a model to help them understand how... (View More)

Audience: Informal education

This module focuses on ultraviolet radiation on Earth and in space and how it affects life. Learners will construct their own "martian" using craft materials and UV beads. They will explore how UV radiation from the Sun can affect living things,... (View More)

Audience: Informal education

This Science On a Sphere (SOS) module is designed to help the public better understand the story of water on Mars and how we're learning more about it. It portrays the mystery of what happened to the water on Mars in the context of a detective... (View More)

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)

This textbook chapter describes the role photosynthesis, food webs, and fossil fuels in the movement of energy through the biosphere. The resource includes a student investigation, links to current news articles, and an essay-based unit assessment.... (View More)

Keywords: Energy pyramid
Audience: High school
Materials Cost: Free per student

This textbook chapter makes the case for preserving desert old growth forests, and endangered species. The captive breeding program for the black-footed ferret is presented as a case study. Students learn about conservation practices they can do,... (View More)

In this problem-based data analysis activity, students assume roles as members of an International Team of Marine Biologists, tasked with predicting and monitoring possible harmful algae blooms. Students use data maps and guiding questions, to... (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

The importance of rainforests to Earth's biodiversity, climate and production of rainforest products is discussed in this textbook chapter. Includes an interview with an Amazonian rainforest scientist, a discussion of the competing perspectives of... (View More)