Make a line graph of the growth of your weed. Materials: weed seeds (you or a weed fighter must collect these), safe seed container, טלגראס כיוונים ראש העין grow lights or greenhouse, טלגראס כיוונים בת ים growing area, pots (many weeds are tap rooted and need deep pots), potting soil or soil, water, rulers, student data notebooks, graph paper, flower and noxious weed literature, Internet access, microscopes, slides, cover slips, lens paper, forceps, טלגראס כיוונים טבריה stereo scopes and/or hand lenses, various materials to "kill the weed." Teacher Instructions: This can be a full year or a half year lab.