92 Résultats pour : « Science First »

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This device shows how the sun's appearance changes over a period of one month.

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This simple lab enables students to build a telescope that is similar to Galileo’s.

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This generator can perform all electrostatic experiments on a spectacular scale.

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Be Prepared For Your Electrochemistry Experiments

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The Sunspotter Keplerian Telescope lets users safely view the light of the sun.

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Ideal for measuring turbidity in streams where a Secchi disk can't be used.

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Water sampler for samples of lake, river, or stream water.

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Convienent Classroom Farming.

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The Perfect Introduction to Temperature and Conduction.

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Seasonal changes, the positions of sunrise and sunset and the special circumstances of solstices and equinoxes are easily demonstrated and examined.

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Thsese tubes meets GLOBE requirements.

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Study different concepts utilizing sunlight or darkness.

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This bottle is excellent for near off-shore (to 200 m) trace metal sampling, since there are no metal parts to touch the sample.

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Sort and separate materials with this durable metal sieve set.

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Has All the Components Necessary to Start Collecting Samples Right Away

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Explore the size and scale of the planets with this educational demo model.

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Create Dramatic Electrostatic Effects

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Estimate stream quality as it relates to solids in the water.

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Learn about space, time, and the universe with this educational activity book.

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For consistent readings underwater.

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Clear Measurements in Classic Study of Electrons

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Simulate a flowing stream and study erosion with this classroom stream table.

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Investigate light spectra with this easy-to-use spectrometer.

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Explore Relative Age Dating.

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Explore the relationship between acoustical tones and the physical circumstances that give rise to them

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Produce constant acceleration with this fan cart.

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This comprehensive collection features over 90 of the very best classroom-tested, hands-on activities for teaching basic astronomy, from the phases of the moon to simulating the expansion of the universe.

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Students will calculate the relationship between the apparent brightness of a luminous object and the distance to the object.

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Deluxe Set Includes Six Chemicals

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The semi-permeable membrane, created from a natural source of cellulose, allows passage of particles up to 14000 Da.