Question: Read the experiment and write down what you think will happen as your hypothesis. Then, conduct the experiment and note your observations. Compare these to

Read the experiment and write down what you think will happen as your hypothesis. Then, conduct the experiment and note your observations. Compare these to your hypothesis.

Part A

Procedure

  1. Fill a small bowl with 1-2 inches of water.
  2. Take a sewing needle and place it on a tissue paper.
  3. Place the tissue paper with the needle on the water in the flat dish.
  4. Let the tissue sink to the bottom of the bowl and record your observations of the needle.

Hypothesis: Will the needle float or sink to the bottom of the dish? Type your response here.

Observations: Type your observations here.

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Part B

Consider the portion of theProperties of Water Tableshown below, and answer the questions for the Surface Tension Property of water by filling in the table.

  1. Which property does this experiment demonstrate? Why does water behave this way? Revisit the structure of water article to better understand the theory behind this behavior.
  2. How does this behavior of water affect life? Learn more about how the water strider uses surface tension to walk on water.

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Self-Evaluation

How did you do? Rate your work on a scale of 1 to 5, with 5 as the highest score. Then write a brief evaluation of your work below. Note what you learned and what challenged you.

please help me answer all of this

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