Grade 4 Enhanced Scope and Sequence
Grade 5 Enhanced Scope and Sequence
Word) (PDF) SOL
Sun, Moon, Earth
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For each kind of a surface, put the snail in the center of the surface sample. As soon as the snail starts to move, run the timer until the snail reaches the edge of the sample. Stop the timer. If the snail movement wasn't straight mark the snail's path. Measure the distance that snail traveled and find the snail's speed. (Speed=Distance/Time). Repeat the procedure several times for each surface (and for different snails). Calculate average snail speed for each surface. Do the same trials for the wet surfaces. Is there any difference in the snail speed?