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homogeneous mixtures
as well as populations
" This edition includes color photo cards for Tree-of-Life charts
labels for further sorting activities
Leaf Shapes & Margins -- Printed Cards chemical elements homogeneous mixturesThis set of 44 beautiful leaf images encourages all ages to observe leaves and see their special features. Examples from the five major leaf shapes elliptic, ovate, obovate, oblong, and linear are included. Younger children can enjoy the images and find features such as lobes, teeth, and venation patterns. Older children can measure the images and learn to determine the leaf shape mathematically. They can also measure the angles of the leaf apex and