Exam 1: About Science

The diameter of a lead pipe is measured to be 2.40 cm and you are asked to convert to units of inches. Which of the following conversion factors can you use to solve this problem?

If 1 ft = 12 in, how many feet is 16.0 inches?

The gap between two brain cells is 2.0 × 10^-3 nm. How many meters is this?

Of the three sciences, physics, chemistry, and biology, the most complex is ________.

A scientific hypothesis is a(n) ________.

Kroto, Smalley and Curl won the Nobel Prize for ________.

If someone is able to explain an idea to you using small familiar words, what does this say about how well that person understands the idea?

How many meters is 15.5 millimeters?

Which statement is false?

The radius of an oxygen atom is meter. What is this radius in pico meters? (1pm = 10^-12m)

A scientist can confirm that his or her interpretations of the results of an experiment are accurate when ________.

Chemistry is the study of ________.

Why is reproducibility such a vital component of science?

Is chemistry the study of the submicroscopic, the microscopic, or the macroscopic, or all three?

What is your weight in kilograms if you weigh 155 pounds? (1 kg = 2.2 lbs)

How long does it take for Earth to revolve around the sun?

In answer to the question, "When a plant grows, where does the material come from?" the ancient Greek philosopher Aristotle hypothesized by logic that all material came from the soil. Which of the following experimental tests might best prove Aristotle's hypothesis to be correct or incorrect?

Buckminsterfullerene is a new form of carbon because ________.

The bucky ball led to the discovery of a whole new class of molecules called fullerenes. Fullerenes are useful in ________.

The most pressing issue facing the world is ________.