Lab: Ionic and Covalent Bonds

Question 1

In the article, “As Sticky as a Gecko . . . but Ten Times Stronger!,” scientists applied knowledge of gecko feet to produce an adhesive. How did scientists explain this application of knowledge? Check all that apply.

Revolt · Accepted Answer

The adhesive is made up of two different layers.; The lower layer is made up of vertically aligned nanotubes.; The upper layer is made up of curly, spaghetti-like, nanotubes.

Question 2

As stated in the article, “As Sticky as a Gecko . . . but Ten Times Stronger!,” the adhesive the researchers developed sticks best when it is pulled down parallel to the surface. What type of adhesion is this called?

Revolt · Accepted Answer

shear adhesion

Lab: Ionic and Covalent Bonds Answers

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