Singer Science Series
Plant cells are easily obtained and seen through the microscope. If you have a microscope, peel ... You will need an accurate scale to weigh the plants. ... Though sixth graders do not need to know the word, this experiment may help them to understand the process. ... The pictures on page 168, illustrating the growth of a boy, also illustrates the fact that the legs lengthen proportionally more than the trunk.
| Title | : | Singer Science Series |
| Author | : | George Willard Frasier, Helen Dolman, Donald Gilmore Decker |
| Publisher | : | - 1955 |
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