Students discuss income and expenses. In this lesson on money, students define income and expenses, after whith they keep track of their income and expense transactions on a basic ledger.

Excellent in-depth biography of Daniel Bernoulli's life and scientific accomplishments. Information on Bernoulli's family, education, and major works is included. Also includes links to information on other scientists and mathematicians.

Understand the human sense of hearing and how it relates to balance.