(Complete Item Description)
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In this activity, you'll make an electric motor--a simple version of the electric motors found in toys, tools, and appliances everywhere. The activity includes three short online videos: Introduction, Step-by-Step Instructions, and What's Going On. Also available: a concept map and a "Going Further" document that suggests variations on this activity.
- Subject:
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Science and Technology
- Grade Level:
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Primary,
Secondary
- Collection:
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Exploratorium
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Read the Fine Print
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Learners explore water adhesion and learn about why water molecules are more strongly attracted to some substances than others. In an investigation titled "Fabric Frenzy," learners use a magnifying glass to examine different fabrics and hypothesize whether each kind would be good for soaking up water. Learners then weigh the dry fabrics, predict how water will affect the weight of each sample, wet the samples, and weigh them again to see how much water they in fact absorb. Learners also examine other liquids and compare their adhesion to water adhesion.
- Subject:
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Science and Technology
- Grade Level:
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Primary,
Secondary
- Collection:
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SMILE Pathway
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Read the Fine Print
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- Abstract:
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Studying Earth's Environment from Space (SEES) includes four modules on the following topics: 1) Stratospheric Ozone, 2) Global Land Vegetation, 3) Oceanography, and 4) Polar Sea Ice Processes. The modules are designed to increase the use of satellite data in science classrooms by providing lecture materials in HTML for the classroom (including full-color, printable graphics) that are linked to guided-inquiry computer exercises. Recommended for advanced high school students and lower-level undergraduate.
- Subject:
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Science and Technology
- Grade Level:
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Secondary,
Post-secondary
- Collection:
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NASA
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No Strings Attached
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This educational brief describes the structure of Earth's magnetosphere, how it interacts with energetic particles emitted by the sun, and how it protects Earth from the effects of these particles. Short descriptions of NASA missions to study the magnetosphere, solar wind, and other particle emissions are included.
- Subject:
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Science and Technology
- Grade Level:
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Secondary
- Collection:
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NASA
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This animation shows sulfur dioxide in the stratosphere during the Mt. Pinatubo Eruption and for a few weeks after the eruption. Stratospheric SO2 dissipates rather quickly compared to volcanic ash and stratospheric H2SO4.
- Subject:
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Science and Technology
- Grade Level:
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Secondary,
Post-secondary
- Collection:
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NASA GSFC Scientific Visualization Studio
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No Strings Attached
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An animated graph showing the eleven-year sun spot cycle, as shown by measurements of sun spot number. Following this graph, an animation compares sun spot number measurements for the 1990s with direct measurements of the change in solar ultraviolet irradiance from SUSIM.
- Subject:
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Science and Technology
- Grade Level:
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Secondary,
Post-secondary
- Collection:
-
NASA GSFC Scientific Visualization Studio
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The activities in this guide engage students in learning about the Sun and the process of scientific investigation. These activities were adapted for use in afterschool programs with ages 5-12. The Sun as a Star consists of eight activities, each of which may be completed in about one hour.
- Subject:
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Science and Technology
- Grade Level:
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Primary
- Collection:
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NASA
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As part of this activity, students will construct a sundial from paper. Instructions on how to make the sundial itself, orient it correctly, and how to compensate for latitude and irregularities in Earth's orbit are provided.
- Subject:
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Science and Technology
- Grade Level:
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Primary,
Secondary
- Collection:
-
NASA
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This text explains why the sun rises at the South Pole in September of every year after six months of darkness. A brief summary of the unique characteristics of the seasons on other planets is also included. Links to a webcam located near the South Pole and to other related sites are also provided.
- Subject:
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Science and Technology
- Grade Level:
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Secondary
- Collection:
-
NASA
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Spacecraft (green trajectory) on their way from the Earth (blue orbit) to Mars (red orbit) risk being hit by energetic events from the Sun, such as X-rays, energetic protons (blue streaks), and material from Coronal Mass Ejections (CMEs) (red blobs). The spiral lines from the Sun represent the magnetic field lines frozen into the solar wind.
- Subject:
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Science and Technology
- Grade Level:
-
Secondary,
Post-secondary
- Collection:
-
NASA GSFC Scientific Visualization Studio
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No Strings Attached
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No Strings Attached
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The MODIS instrument on board NASAs Aqua and Terra satellites captured this sequence of true-color images of Super Typhoon Nida churning through the Philippine Islands. Packing winds up to 100 mph and gusts of 122 mph, and caused floods and landslides. Nida has been responsible for at least six deaths in the Philippines and has displaced thousands as it skirted the eastern part of the country before moving towards southern Japan.
- Subject:
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Science and Technology
- Grade Level:
-
Secondary,
Post-secondary
- Collection:
-
NASA GSFC Scientific Visualization Studio
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Packing gusts of nearly 300 kilometers per hour (184 miles per hour) and sustained winds of 240 kilometers per hour (150 miles per hour), Super-Typhoon Pongsona struck the U.S. Island of Guam on December 8, 2002. This 3D model of the hurricane shows the outline of the clouds, based on cloud top heights derived from AIRS observations. The color overlay represents the brightness temperatures observed in one of the HSB channels. Blue areas indicate intense convection and rain, while green and yellow reflect the internal temperature of the clouds. Microwaves, unlike infrared radiation, penetrate clouds and look into them or even through them. Red, most of which has been removed from the picture for clarity, represents areas where HSB penetrates all the way to the surface.
- Subject:
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Science and Technology
- Grade Level:
-
Secondary,
Post-secondary
- Collection:
-
NASA GSFC Scientific Visualization Studio
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No Strings Attached
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No Strings Attached
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No Strings Attached
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In this activity, learners use a chemical reaction to visualize where moisture forms on the body. Learners use the Minor's iodine-starch test, a diagnostic test that doctors use to detect hyperhidrosis (excessive sweating), to identify where moisture is forming. Learners also use this method to test the effectiveness of different antiperspirants.
- Subject:
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Science and Technology
- Grade Level:
-
Primary,
Secondary
- Collection:
-
SMILE Pathway
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Read the Fine Print
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No Strings Attached
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No Strings Attached
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No Strings Attached
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TOMS Ozone over Antarctica from 8-20-92 to 10-19-92. The ozone hole is indicated in shades of blue. The missing data region over the south pole is due to the inability of the TOMS instrument to measure data during the polar night.
- Subject:
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Science and Technology
- Grade Level:
-
Secondary,
Post-secondary
- Collection:
-
NASA GSFC Scientific Visualization Studio
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No Strings Attached
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