US$ 294.00
pH effects on vegetation
Fifty plain glass microscope slides measure 75 x 25mm with 1
Quartz is one of the most abundant minerals on Earth
Visible through a clear acrylic shaft
providing dense uniform spheres for ramp-and-collision experiments where a heavier projectile is needed than the plastic marbles can provide
Ultrasonic Study Kit Accessories with Reflective and Perforated Plates Type_Apron pH effects on vegetationTwo reflective plates, a perforated plate, and matched wooden block stands extend the ultrasonic study kit's reflection, interference, and diffraction experiments to additional geometries.
US$ 294.00
US$ 362.50
US$ 121.00
US$ 499.00