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Science First Density Identity

Suggested Age: All AgesCPSC Choking Hazard Warnings: Choking_hazard_small_partsEducational Focus: Physics & bull; Perfect for volume, density, and lab testing & bull; Features a solid wooden block for storage & bull; Designed with long-lasting materials for years of use in the classroomScience First Density Identity Set containing aluminum, brass, copper, acrylic, Pyrex, rubber, delrin, PVC, teflon, tekaform, poplar and oak cylinders of 1.3 cm diameter are 4 - 7 cm long. It also includes wooden storage rack and instructions for convenience. It allows students to identify the samples of 12 different materials by determining their densities.

Science First Economy Celestial Globe, 30 Centimeters

Overall Height: 14.7 inches & bull; Stunning star globe clearly and beautifully depicts the constellations, Milky Way, and major stars in three dimensions & bull; Globe also traditionally illustrates the effects of Earth's rotation on its axis and its revolution around the sun & bull; Color-coding and clear silk-screened names make it easy to identify the many stars, while celestial latitude and longitude scales provide orientation & bull; Included sturdy globe stand and instruction booklet are helpful for geography and astronomy lessonsScience First Economy Celestial Globe is a transparent, four-color celestial globe perfectly designed for identifying the stars and constellations. This 75 millimeter (approximately 3 inch) earth globe mounted within the center of the 300 millimeter (11-4/5 inch) sky globe can be rotated to align a position on the ground with a position in the sky. Globe helps students to conceptualize the movements of the earth relative to the starfield.

Science First What's the Density? Kit

Suggested Age: All AgesCPSC Choking Hazard Warnings: Choking_hazard_small_partsEducational Focus: Physics & bull; Perfect for volume, density, and lab testing & bull; Features a solid wooden block for storage & bull; Designed with long-lasting materials for years of use in the classroomScience First What's The Density Set contains 12 specimens, wooden holder and instructions. With this set, students try to discover whether all cylinders are made of the same material by measuring them and calculating their density. This puzzle reinforces the students understanding of density and when they plot their results they find the specimens are of two different types of plastic.