Conceptual Integrated Science
3rd Edition
ISBN: 9780135197394
Author: Hewitt, Paul G., LYONS, Suzanne, (science Teacher), Suchocki, John, Yeh, Jennifer (jennifer Jean)
Publisher: PEARSON EDUCATION (COLLEGE)
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Textbook Question
Chapter 1, Problem 24TS
Knowing and using Earth’s radius, show that the circumference of Earth is about 40, 000km, in agreement with Eratosthene’s findings. (Hint: What is the formula for the circumference of a circle?)
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Chapter 1 Solutions
Conceptual Integrated Science
Ch. 1 - What launched the era of modern science in the...Ch. 1 - Why do we believe that focusing on math too early...Ch. 1 - Specifically, what do we mean when we say that a...Ch. 1 - What is the test for whether or not a hypothesis...Ch. 1 - How did Galileo disprove Aristotles idea that...Ch. 1 - Distinguish among a scientific fact, a hypothesis,...Ch. 1 - How does the definition of the world theory differ...Ch. 1 - Your friend says that scientific theories cannot...Ch. 1 - What are the two domains of science and religion?Ch. 1 - Why must one not have to choose between science...
Ch. 1 - Clearly distinguish between science and...Ch. 1 - In what sense does physics underlie chemistry?Ch. 1 - In what sense is biology more complex than the...Ch. 1 - What is the value of studying integrated science,...Ch. 1 - How does the Aurora borealis relate to the field...Ch. 1 - Why is the aurora borealis best seen in winter...Ch. 1 - If the Suns rays were at 450 to a vertical pillar,...Ch. 1 - Eratosthenes measured the height of the vertical...Ch. 1 - Examine the nearly similar small and large green...Ch. 1 - Knowing and using Earths radius, show that the...Ch. 1 - If the angle between the two verticals extended to...Ch. 1 - Are the various branches of science separate, or...Ch. 1 - In what way is the printing press like the intenet...Ch. 1 - Which of the following are scientific hypotheses?...Ch. 1 - If earth were smaller than it is, but...Ch. 1 - Prob. 30TECh. 1 - Discuss the value Galileo placed on...Ch. 1 - What do science, art, and religion have in common?...Ch. 1 - If the tree that casts solar images around Lillian...
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- In Ptolemys model, how do the epicycles of Mercury and Venus differ from those of Mars, Jupiter, and Saturn?arrow_forwardThe shadow cast by a vertical pillar in Alexandria at noon during the summer solstice is found to be 1/8 the height of the pillar. The distance between Alexandria and Syene is 1/8 Earth’s radius. Is there a geometric connection between these two 1-to-8 ratios?arrow_forwardSuppose Eratosthenes’ results for Earth’s circumference were quite accurate. If the diameter of Earth is 12,740 km, what is the length of his stadium in kilometers?arrow_forward
- How did Hipparchus discover the wobble of Earth’s axis, known as precession?arrow_forwardHow could Thales of Miletus have predicted the date of a solar eclipse without observing the location of the Moon in the sky?arrow_forwardFirst we will do a simulation of Eratosthenes measurement of the size of our planet over 2000 years ago, but we will do it on a hypothetical planet. At one location on that planet at noon, the light from its star comes in directly overhead. At another town 200 miles due South, the shadows cast by the towers in that town indicate that the sunlight is coming in at an angle of approximately 10 degrees from directly overhead. Using this information (and the fact that there are 360 degrees in a circle and that the diameter of a circle is equal to the circumstances divided by pi), please show your work to explain what the circumstances and diameter of this new planet isarrow_forward
- Suppose Eratosthenes’ results for Earth’s circumference were quite accurate. If the diameter of Earth is 12,740 km, what is the length of his stadium in kilometers?arrow_forwardIf Earth were smaller than it is, but the Alexandria-to-Syene distance were the same, would the shadow of the vertical pillar in Alexandria be longer or shorter at noon during the summer solstice?arrow_forwardThe geocentric model, in all of its complexity, survived scientific scrutiny for almost 1,400 years. However, in modern astronomy, scientists seek to explain the natural and physical world we live in as simply as possible. The complexity of Ptolemy's model was an indicator that his theory was inherently flawed. Why, then, was the geocentric model the leading theory for such a long time, even though the heliocentric model more simply explained the observed motions and brightness of the planets? Check all that apply. ☐ The geocentric model conformed to both the philosophical and religious doctrines of the time. ☐ The heliocentric model did not make noticeably better predictions than the geocentric model. From Earth, all heavenly bodies appeared to circle around a stationary Earth. The complexity of the geocentric model was appealing to most ancient astronomers. Ancient astronomers did not observe stellar parallax, which would have provided evidence in favor of the heliocentric model.arrow_forward
- Please give explanation and answer to this question.arrow_forwardDione, a moon of Saturn, has an orbital radius of 377,400 km, and an orbital period of about 2.737 Earth days. Find the orbital period of Rhea, another moon of Saturn, which has an orbital radius of 527,040 km. Find the period in Earth days. Round to the nearest hundredth. Don't worry about putting the unit, just put the answer.arrow_forwardTycho Brahe's observations of the stars and planets were accurate to about 1 arc minute. To what distance does this angle correspond at the distance of (a) the Moon; (b) the Sun; and (c) Saturn (at closest approach)?arrow_forward
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