. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Reptile Study 211 LESSON LII The Turtle Leading thought— The turtle's shell is for the purpose of protecting its owner from the attack of enemies. Some tur- tles live upon land and others in water. Method—A turtle of any kind, in the schoolroom, is all that is needed to rrake this lesson in- teresting. Observati 0 ns— I. How much can you see of the turtle when it is walking? I f you disturb it what does it do? How much of it can you see then? Can you see more of it from the. A snappin
. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Reptile Study 211 LESSON LII The Turtle Leading thought— The turtle's shell is for the purpose of protecting its owner from the attack of enemies. Some tur- tles live upon land and others in water. Method—A turtle of any kind, in the schoolroom, is all that is needed to rrake this lesson in- teresting. Observati 0 ns— I. How much can you see of the turtle when it is walking? I f you disturb it what does it do? How much of it can you see then? Can you see more of it from the. A snapping turtle. Photo by J. T. Lloyd. lower side than the upper? What is the advantage to the turtle of having such a shell ? 2. Compare the upper shell with the lower as follows: How are they shaped differently? What is their difference in color? Would it be a disadvantage to the turtle if the upper shell were as light colored as the lower? Why? Make a of the upper and the lower shell showing the shape of the plates of which they are composed. Where are the two grown together? 3. Is the border of the upper shell different from the central portion in color and markings? Is-the edge smooth or scalloped? 4. How far does the turtle's head project from the front of the shell? What is the shape of the head? With what colors and pattern is it marked? Describe the eyes. How are they protected? How does the turtle wink? Can you discover the little eyelid which comes up from below to cover the eye? 5. Describe the nose and nostrils. Do you think it has a keen sense of smell? 6. Describe the mouth. Are there any teeth? With what does it bite off its food? Describe the movement of the throat. Why is this constant pulsation? 7. What is the shape of the leg? How is it marked? How many claws on the front feet ? Are any of the toes webbed ? On which feet are the webbed toes? Why should they be webbed? Describe the way a turtle swims. Which feet are used for oars? 8. Describe the tail
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