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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 activity guides students through sampling, identification and counting of macroinvertebrates sampled in a GLOBE hydrology study site, and understand how the taxa composition found in the sample can be an indicator of water quality and ecosystem... (View More)

This is a lesson about phase changes. Learners will observe ice melting and freezing under a variety of conditions and relate that to the Messenger mission. This is lesson 1 of 12 in Exploring Ice in the Solar System.

Audience: Pre-kindergarten, Elementary school
Materials Cost: Free

This is a lesson about the phenomenon of ice and about scientific inquiry. Learners will ask scientific questions about ice, will delve into the nature of science, embark upon scientific inquiry, and will practice scientific enterprise. Activities... (View More)

This Hubble Space Telescope image shows a tightly packed crowd of stars resembling a swarm of bees. Called M80 (NGC 6093), the stellar swarm is one of the densest globular clusters in our Milky Way Galaxy. M80 contains hundreds of thousands of... (View More)

Audience: High school, Informal education
Materials Cost: Free

This image from the Hubble Space Telescope shows light from hot stars eating away the surface of the dust and gas cloud in this region of the Eagle Nebula to reveal a pillar composed of denser material. The text includes information about the... (View More)

Audience: High school, Informal education
Materials Cost: Free

This is an annotated children's story about the Dawn mission to Vesta and Ceres in the asteroid belt. Learners will dissect the story for real and fictional objects and places in the solar system, and for those scientific concepts or processes that... (View More)

Audience: Elementary school
Materials Cost: Free

This chapter provides an overview of the science of studying the Earth system, with a focus on understanding the connections among phenomena that can be traced through the energy, hydrological and biogeochemical cycles, on a range of time and... (View More)

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

This is an activity about angular measurement. Learners will explore the relationship between angular size, actual size, and distance by using their finger, thumb and fist as a unit of angular measurement. Includes teacher background, student data... (View More)

In this activity, students learn the basics of the horizon, direction and the rising and settings of the Sun and stars by making a schoolyard "medicine wheel" with sidewalk chalk on playground asphalt. Medicine wheels are stone rings constructed by... (View More)