Photosynthesis and Respiration Model Set, Fundamental processes in the flow of energy, Students build glucose and oxygen molecules at the giant chloroplast, Move the molecules to the mitochondria and reassemble them into carbon dioxide and water molecule
Mid-Atlantic Ridge Model, shows the S-shaped course in 3D of the volcanic mountain range produced by tectonic shifts in the Atlantic Ocean, Size at the equator: 1:320.000.000, Material: PVC, Weight: 6.5 kg