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Middle school  
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This is a story about space exploration. Learners will read about missions to asteroids and comets, consider the measurements and math required for the robotic spacecraft to visit these objects, and are invited to finish the story themselves. The... (View More)

In this activity, students will research weather proverbs, analyze the scientific validity of three weather proverbs and present their reasoning in an essay. As an extension, students may survey 15 senior citizens to determine most frequently heard... (View More)

Audience: Middle school
Materials Cost: Free

In this activity, students identify habitats in Arizona, define and illustrate a food web in a kinesthetic exercise, and explain the importance of biodiversity in a writing assignment. Required materials include a ball of yarn or string. The... (View More)

This is a lesson about habitable planets. Learners will discuss what they know about the astronomical conditions of the planets they have found in earlier lessons and what they still need to know in order to determine if they are habitable to... (View More)

Audience: Middle school

This is an activity about the declining strength of Earth's magnetic field. Learners will review a graph of magnetic field intensity and calculate the amount by which the field has changed its intensity in the last century, the rate of change of its... (View More)

Audience: Middle school, High school
Materials Cost: Free

This is a summative activity about magnets. Learners will observe a demonstration of the action of a magnet on a test tube of iron filings, answer questions, and, using the concepts learned in previous activities, write an essay about their... (View More)

This is an article about the color of the sky. Learners will read about and discuss the colors of the day- and night-time skies. They may sing the Top-down Black and Blues, a song about the sky; or they may write a poem, essay, or song about the... (View More)

Audience: Middle school
Materials Cost: Free

In this problem-based learning activity, students conduct research to determine the potential impact of a changing climate on maple sugar production. Student worksheets, a teacher guide, and an assessment rubric are included. The activity is... (View More)

This article introduces weather terminology and encourages discussion of the weather. A suggested project is provided for learners to create a book of weather terms. Using the list of terms provided, students define and identify the kind of unit... (View More)

This is a short activity about our Sun. Learners will read a page of information about our Sun and the electromagnetic spectrum and answer questions in an accompanying worksheet. This activity is from the Stanford Solar Center's All About the Sun:... (View More)