(a) How relevant was the idea of a chemical reaction to you before reading this chapter? (b) Outline how your understanding of the role of chemical reactions in your life has changed.

Name something that you learned in this chapter that changed the way you think about space or space exploration. Explain how it changed your thinking or understanding.

If you decide to include a tape of your reading in your portfolio, date the tape and attach a brief reflection:

What did I learn about performing for an audience?

Decide whether or not each of the following topics is appropriate for the stated limits, and then write a few sentences to explain why each topic is or is not acceptable. 1. A two-to-three-page paper: A history of animal testing in medical research labs 2. A two-hour final exam: The effectiveness of bilingual education programs 3. A one-hour in-class essay: An interpretation of one of Andy Warhol’s paintings of Campbell’s soup cans 4. An email to your college newspaper: A discussion of your school’s policy on plagiarism

Use the preceding strategies to answer these questions about the opening paragraphs of Walter Kerr's review of The Miracle Worker.

Did reading the review of the play change your response?

The incident at the Three Mile Island Nuclear Generating Station in Pennsylvania in 1979 is considered the most serious accident in the history of the nuclear power industry in the United States. What factors contributed to the accident? How much radiation was released into the atmosphere and what radioactive isotopes were present? What improvements were made in employee training and reactor design as a result of this incident? Were any short- or long-term effects observed on the general health or cancer rate of individuals living near the plant?

The nurse is taking a sleep history from a patient. Which statement made by the patient needs further follow-up?

1. “I feel refreshed when I wake up in the morning.”
2. “I use soft music at night to help me relax.”
3. “It takes me about 45 to 60 minutes to fall asleep.”
4. “I take the pain medication for my leg pain about 30 minutes before I go to bed.”

What are the mean and standard deviation of the difference Y - X between the readings? (The readings X and Y are independent.)

A body of mass 100 kg is weighed at the North Pole and at the equator with a spring scale. What is the scale reading at these two points? Assume that g = 9.83 m/s² at the pole.

Write the vector formulation for the given system of differential equations.

$$x _ { 1 } ^ { \prime } = e ^ { 2 t } x _ { 2 } , x _ { 2 } ^ { \prime } + ( \sin t ) x _ { 1 } = 1.$$

Each year, about 1.5 million college-bound high school juniors take the PSAT. In a recent year, the mean score on the Critical Reading test was 46.9 and the standard deviation was 10.9. Nationally, 5.2% of test takers earned a score of 65 or higher on the Critical Reading test’s 20 to 80 scale. How well did the boys at Scott’s school perform on the PSAT? Give appropriate evidence to support your answer.

While reading The Starry Night: Underline - imagery of the stars and moon. Circle - text about the town. In the Margin - Based on Sexton's language, infer something about the night.

Use separation of variables to find the solutions to the differential equations subject to the given initial conditions.

$\frac{d z}{d t}=t e^z$, through the origin

What part of the computer actually runs programs?