230 EXPERIMENTAL GENERAL SCIENCE 



Practical Exercises. 



1. Make a list of the fossil animals and plants that you have seen. 



2. If there are any fossils in the rocks of your region, describe them. 



3. Are the specimens mentioned in exercise 2 of animal or vegetable 

 origin? 



4. Name a place in your region that is being built up by the action of 

 water. 



5. Name a place in your region that is being torn down by water. 



6. After the next rain find places in the nearest field to illustrate the 

 actions mentioned in exercises 4 and 5. 



7. Try to find two leaves exactly alike. 



8. Examine mulberry and sassafras trees or Boston ivy for leaves of 

 different shape. How do these differ? 



9. Which can move into a new region quickest, a sparrow, a toad or a 

 squirrel? 



10. Which can move into a new region quickest, dandelions, burdocks 

 or hickory trees? 



11. Examine any open weedy place for examples of a struggle for 

 existence. Is the struggle for water, light, food or sufficient room? 



12. Examine the nearest flowery field for examples of variation. In 

 what does the variation consist, color, size, shape or number of parts? 



