Why (If You Are Careful)are You Able to Float a Needle

question 24

Multiple Choice

Why (if you are careful) are you able to float a needle on the surface of water?

• A) Water has adhesive properties.
• B) The surface tension that is a result of water's cohesive properties makes this possible.
• C) The covalent bonds that hold a water molecule together are responsible for this ability.
• D) A single needle is less dense than water.

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Definitions:

Baumeister

Refers to Roy F. Baumeister, a psychologist known for his work on the self, social rejection, belongingness, and other aspects of social psychology.

Normative Influence

Social influence whereby individuals change their behavior or attitudes to conform to norms or expectations of a group to gain acceptance or approval.

Prior Commitment

An individual’s agreement in advance to be responsible if trouble occurs: for example, committing oneself to protect the property of another person against theft.

Social Role Theory

A theory that suggests much of social behavior can be understood by the roles individuals assume, which are influenced by societal norms and expectations.