Transcript File
Land Snails Part 1 Daily Objective Snails have identifiable structures and behavior. Snails have senses. Snails have basic needs. Vocabulary Air hole – a small hole used for breathing Backward – toward the back Fence – something used to keep animals in or out Foot – part of body animals walk or stand on Mucous trail – slimy trail left by snails Shell – a hard, outer covering Sideways – one side is forward Snail - slow-moving animal, found in water or on land, with a soft body that is protected by a shell Tentacles – Long, thin growths of certain animals, used to feel, grasp, and move. Upside down – top side becomes the bottom side Introduction Today we have a new animal to observe. This animal has no arms or legs. It moves slowly. It carries its house on its back. What kind of animal is it? Snail Observations and Discussions Now that you have had a few minutes to observe … How do snails move? What do snails do when you put them in a cup? Do snails move up? Down? Sideways? Can snails travel upside down? Backward? How does it feel when a snail moves on your hand? What does the snail do when you pick it up by the shell? How can you tell where a snail has been? Observation and Discussion Snail Activities Now use the piece of cardboard to make a fence or barrier. Let the snail move across the table. What do you think will happen? How will the snail react to the fence? Observation and Discussion Snail Structure Lets look closely at the snail’s structure. What does the snail look like? Do snails have heads? Tails? What do you see sticking out from the head? How many tentacles do you see? What happens to the tentacles when you touch them gently? Do snails have eyes? Ears? Nose? Mouth? How do snails breathe? Where is the foot of the snail? How does the foot move? Record Observation Vocabulary Review Air hole – a small hole used for breathing Backward – toward the back Fence – something used to keep animals in or out Foot – part of body animals walk or stand on Mucous trail – slimy trail left by snails Shell – a hard, outer covering Sideways – one side is forward Snail - slow-moving animal, found in water or on land, with a soft body that is protected by a shell Tentacles – Long, thin growths of certain animals, used to feel, grasp, and move. Upside down – top side becomes the bottom side What We Learned eyes on __________. tentacles Snails have __________ foot Snails have a __________. mouth Snails have a __________. shell Snails have a __________. Snails have a an __________ air hole for breathing. slowly Snails move __________. forward They can only go __________. sideways or ____________. upside down They can travel when they are _________