CONCEPTUAL INTEGRATED SCIENCE (PEARSON+
3rd Edition
ISBN: 2818440059223
Author: Hewitt
Publisher: PEARSON+
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Textbook Question
Chapter 1, Problem 22TS
Eratosthenes measured the height of the vertical pillar in Alexandria to be 8 times greater than the length of the shadow it cast at high noon. So the ratio of (length of shadow)/(height of pillar) is 1/8. If the sun were lower in the sky, would the ratio be smaller or larger?
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Chapter 1 Solutions
CONCEPTUAL INTEGRATED SCIENCE (PEARSON+
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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- Why did Pythagoras believe that Earth should be spherical?arrow_forwardWhat are two ways in which Aristotle deduced that Earth is spherical?arrow_forwardSuppose Eratosthenes had found that, in Alexandria, at noon on the first day of summer, the line to the Sun makes an angle 30° with the vertical. What, then, would he have found for Earth’s circumference?arrow_forward
- The 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_forwardHow did Hipparchus discover the wobble of Earth’s axis, known as precession?arrow_forwardOn what did Plato base his knowledge? Was it opinions, policies, marketing, public relations, myths, evidence, hypotheses, beliefs, laws, principles, theories? On what do modern astronomers base their knowledge?arrow_forward
- What two factors made it difficult, at first, for astronomers to choose between the Copernican heliocentric model and the Ptolemaic geocentric model?arrow_forwardIn Ptolemys model, how do the epicycles of Mercury and Venus differ from those of Mars, Jupiter, and Saturn?arrow_forwardWhich do you think was more important in the development of ancient astronomy: its practical or philosophical role?arrow_forward
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