Component

Score 0 -11
( 0 Worst and
11 Best)

Explanation of Point Award

1) The zygote and yolk are labeled.

2) The 2 cells are of proper size (smaller than the zygote) and yolk is labeled.

3) The 4 cells are of proper size (smaller than the cells of the 2-cell stage) and yolk is labeled.

a

a

4) The 8 cells are of proper size (smaller than the cells of the 4-cell stage) and yolk is labeled.

5) The 16 cells are of proper size (smaller than the cells of the 8-cell stage) and yolk is labeled.

a

a

6) The 32 cells are of proper size (smaller than the cells of the 16-cell stage) and yolk sac and yolk are labeled.

7) The cells are smashed out over the yolk into a cap shape, and the cells and yolk are labeled.

a

a

8) The model was shown to teacher and the teacher initialed the worksheet.

a

a

9) Proper cooperative attitude while making the model.

Total Points: