jaro_vrastiakCC14c Catalysts and activation energy - reaction profiles, catalytic converter, enzymes (0)
jaro_vrastiakCP8b Vector diagrams - resultant force, balanced unbalanced forces, scale diagram, component vector (0)
jaro_vrastiakCP8a - Objects affecting each other - contact force, non-contact force, force field, action-reaction (1)
jaro_vrastiakCC15b - Energy changes in reactions - bonds, bond energy, endothermic and exothermic reaction (0)
jaro_vrastiakCB6d - Transpiration and translocation - transpiration, xylem, phloem, translocation, companion cell (0)
jaro_vrastiakCP9a - Electric circuits - free electrons, series circuit, parallel circuit, conventional flow (0)