Week 1 Lab Worksheet (1).docx - Lab Worksheet Hypotheses Activity 1 Sinuosity hypothesis The higher elevation should result to a curvier stream Velocity

Week 1 Lab Worksheet (1).docx - Lab Worksheet Hypotheses...

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Lab Worksheet Hypotheses Activity 1. Sinuosity hypothesis: The higher elevation should result to a curvier stream. Velocity hypothesis: The higher angle the more velocity the water will have. Relief hypothesis: The higher elevation will produce a higher speed of water will produce a faster relief. Gradient hypothesis: The elevation will affect the gradient with a longer distance. 1
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Activity 2. Sinuosity hypothesis: The lower elevation should result to a straighter stream. Velocity hypothesis: The lower angle the less velocity the water will have. Relief hypothesis: The lower elevation will produce a slower speed of water will produce a slower relief. Gradient hypothesis: The elevation will affect the gradient with a shorter distance continued on next page 2 Carolina Distance Learning
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ACTIVITY Lab Worksheet continued Observations/Data Tables Data Table 1. Trial Sinuosity Velocity (cm/s) Relief (cm) Gradient (cm) Thicker Book 1 1.05 10 5.5 0.14 2 1.05 10 5.5 0.14 3 1.05 10 5.5 0.14 Thinner Book 1 1 4.17 2.5 0.1 2 1 4.17 2.5 0.1 3 1 4.17 2.5 0.1 Data Table 2. Variable changed: Size of book Book thickness used: 11 cm Trial Sinuosity Velocity (cm/s) Relief (cm) Gradient (cm) 1 1.24 15.67 9.5 0.20 2 1.24 15.67 9.5 0.20 3 1.24 15.67 9.5 0.20 continued on next page
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Calculations Activity 1. Sinuosity: curvy distance (cm)/straight distance (cm) = sinuosity (no units) Activity 2. Sinuosity: curvy distance (cm)/straight distance (cm) = sinuosity (no units) 40 / 38 =1.05 25 / 25 =1 Both the curvy and straight distances are measurements taken from the stream formation in the stream table. Please refer to Activity 1 for more details. Velocity: distance traveled (cm)/time it takes to travel (s) = velocity (cm/s) Both the curvy and straight distances are measurements taken from the stream formation in the stream table. Please refer to Activity 1 for more details. Velocity: distance traveled (cm)/time it takes to travel (s) = velocity (cm/s) 40 / 4 =10 25 / 6 =4.17 The distance a small piece of paper travels downstream divided by how long it takes to get downstream is the velocity. Refer to Activity 1 for more details. Relief: highest elevation (cm) – lowest elevation (cm) = relief (cm) The distance a small piece of paper travels downstream divided by how long it takes to get downstream is the velocity. Refer to Activity 1 for more details.
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