Appropriate for Grades 7-10 -- How is a star born? -- George Wright, a middle school science teacher, developed these unique visual aids to help illustrate the formation and evolution of stars. The beautifully illustrated H/R Diagram allows students to de

$17.95

Click here to buy now.

CLOSED ECOLOGY SYSTEM A BOREAL IN

Battery holders single 8220aa8221 plastic .. Battery holders double 8220c8221 plastic .. Mini bulb stand .. Mini buzzer .. Equal mass density cubes .. Weather instrument box .. Adult safety goggles fluorescent colors .. Energy resource game .. Benchtop splash shield .. Boreal dna structure protein synthesis simulation model kit .. Spot plates - clear polystyrene .. Kalliroscope rheoscope fluid .. Nitrile gloves flocked smallpair .. Nitrile gloves flocked mediumpair .. Nitrile gloves flocked largepair .. Nitrile gloves unflocked small50 pair .. Nitrile gloves unflocked medium50 pair .. Nitrile gloves unflocked large50 pair .. Nitrile gloves unflocked extra large50 pair .. Slime kit .. The weathercycler .. Denoyer-geppert giant functional brain .. Denoyer-geppert deluxe eight-part ear .. Denoyer-geppert external-internal heart denoyer-geppertheart with bypass15 cm x 23 cm x 38 cm .. Basic teaching torso .. Somso male musculature model .. Surface tension demonstrator .. Simple induction motor demonstrator .. Electrostatic box .. Corner cube reflector .. Mini vacuum desiccator .. Funnel rack .. Dual-well plates .. The complete handbook of science fair projects .. Microchemistry test tube racks .. Robot spider infrared sensor .. Earths date and time movement .. Two-stage high-vacuum pump with and without gauge pump high vacuum two stage .. Marine sextant .. Slide box plastic 100 slide capacity .. Pocket accelerometer .. Rotating platforms 29 cm diameter .. Wave motion kit .. Do penguins have knees .. Low cost digitals multimeter digital ac dc volts amps 200 ohms to 20 mohms .. Ohaus adventurer electronic balance series .. Air track optics kit .. Electronic wave generator .. Edible optics .. Xylopipes .. Drill core analysis .. The season cycler .. Flinn oscillating reactions kit .. Lord kelvins water drop experiment demonstrator .. The cartoon guide to physics .. Beyond the crime lab the new science of investigation .. Illuminated magnifier .. Low voltage conductivity indicator .. Wimshurst static machine .. Atomic clock decals .. Cleanse-a-lens station .. Universal vacuum plate .. Stainless steel laboratory carts 91 kg 200 lb capacity .. Stainless steel cart with guard rails .. Two student table chemarmor top .. Two student table with book compartments 60 cm x 137 cm 317 cm chemarmor top .. Two student table 248221 x 488221 1 148221 plastic laminate top .. Two student table 248221 x 488221 1 148221 chemarmor top .. Two student table 248221 x 488221 18221 solid epoxy resin top .. Two student table 248221 x 548221 1 148221 plastic laminate top .. Two Student Table 248221 X 548221 18221 Solid Epoxy Resin Top ..