Based on this opening page, what structure are the editors of this book using?
The diagram below shows the location of the asteroid belt. (This annotation contains an image)
Here's an idea of what asteroids in the asteroid belt might look like if you were right up close to them! (This annotation contains an image)
Did you know that you can look up any word in the text of the book or the text of the questions and answers? Just click (or press on mobile devices) the word you want to define and hold until the blue text selector pops up. When you release, a define option will appear. Since it's so easy to look up words, make sure you use this feature frequently... Is there a word on this page you need to look up?
How does this question (and answer) relate to the questions that have come before it?
Please watch the short video below, which explains recent updates in scientific thought on this question! (This annotation contains a video)
What is the purpose of the highlighted section of text?
On the left, you see an asteroid, which does not have the mass and gravitational pull required to pull itself into a sphere. On the right is the planet Mars. (This image is not to scale!) (This annotation contains an image)
The last four questions have all been concerned with different aspects of
The North Star has gained an almost mythical status in stories both true and fictional. It has been used (literally) by many people, from ship navigators to runaway slaves, to find their way, and now the idea of the "North Star" can more generally represent finding one's direction or purpose in life. (This annotation contains an image)
In the highlighted sentence, the expert answering this question uses a/an _________ to compare looking at twinkling stars to looking at objects through water, helping to create a picture in the reader's mind.
Here is a visual representation of our position in the galaxy! (This annotation contains an image)
What does this question and answer (and particularly the highlighted section) tell you about the meaning of the word "universe"? Is this different in any way from your previous understanding of what the "universe" is?
The color change exhibited by the leaves of many trees in the fall is quite beautiful! You may have seen trees that look something like the one pictured below. (This annotation contains an image)
Compare the text you just read about Venus flytraps to what you saw and heard in the video. How are the text and the video different in terms of their objectivity, their tone, and/or their focus? How are they similar? Please think carefully and respond in 4-6 sentences.
Please watch the BBC video below on Venus flytraps, in preparation for the question that follows. (This annotation contains a video)
Below, you'll find a diagram showing the basic differences between an open circulatory system (like the one in insects) and a closed circulatory system (like the one found in humans). (This annotation contains an image)
Which of the following pieces of evidence does NOT directly support the claim that many insects are able to walk on seemingly smooth surfaces?
Check out the following video of a Cyanea octopus changing its color instantly. Pretty amazing! If you're short on time, just watch the first thirty seconds or so. (This annotation contains a video)
In the highlighted paragraph, Palmisano's purpose is to
What is a "marine mammal," anyway? A marine mammal is a mammal (meaning it is warm-blooded, bears live young, breathes air through lungs, etc.), but unlike land mammals, it relies on the ocean for its survival. Marine mammals you might be familiar with include seals, sea lions, walruses, whales, dolphins, sea otters, manatees (pictured below), and even polar bears. (This annotation contains an image)
Which inference can be drawn from the highlighted sentence?
Below is a close-up view of the "blood sweat" on a hippo's head. (This annotation contains an image)
Which of the following is a common thread or idea that connects nearly all of the questions and answers presented so far in the book?
Below is a photograph of a frozen (but alive!) wood frog. (This annotation contains an image)
Please summarize the answer you just read (to the question: "Do unbred animals lack the individual distinctiveness of humans?") in one sentence.
The diagram below shows the relative size of some of the largest animals to ever walk the earth (or swim in the ocean!) (This annotation contains an image)
Which of the following sentences best summarizes the information presented in this text regarding which living organisms sleep?
Below is a photograph of long-necked dinosaur remains found fossilized in Argentina. (This annotation contains an image)
Both the above article from The Independent and the text in Scientific American's Ask the Experts address the possibility of cloning dinosaurs. Which text is more definite in its statement that such cloning is not possible? How is the evidence against cloning different (and similar) in each text? Please respond in 3-5 sentences.
Please read the linked article on a dinosaur-cloning hoax in preparation for the question that follows. (This annotation contains a link)
The clip below shows the scene mentioned. You can start at 2:00, if you don't want to watch the whole scene. (This annotation contains a video)
The T. rex's short arms have inspired many cartoons such as the one below :). (This annotation contains an image)
Based on the context, the highlighted phrase probably refers to
Trying to use the dictionary feature on this word and having trouble? The word "anthropocentric" is defined as 1. regarding the human being as the central fact of the universe, 2. assuming human beings to be the final aim and end of the universe, and/or 3. viewing and interpreting everything in terms of human experience and values.
Is the evidence presented in this answer sufficient to convince you that better nutrition is the reason for the recent height increase in humans? If so, what evidence is most compelling to you? If not, what other evidence or information do you think is needed to support this theory? Please respond in 2-4 sentences.
Did you know that males can actually produce milk from their nipples under extreme circumstances? The short article below (also from Scientific American) explains! (This annotation contains a link)
The evidence for handedness in animal populations as a whole is
Randy Gardner was on the popular show "To Tell the Truth" in 1964, in which one "real" person and two imposters all try to convince a panel that they are the same person. Watch a bit below if you are interested! (This annotation contains a video)
Use the dictionary feature to look at the two definitions of "vestigial." Which definition is appropriate in this case?
This simple diagram represents the interactions between smell, taste, and touch that create the sensation of flavor. (This annotation contains an image)
Please compare the text in Scientific American's Ask the Experts to the diagram above. Do they use the same overall theory about function of the appendix? Which medium (the text or the diagram) is more helpful to your understanding of the function of the appendix, and why?
Please examine the diagram below on the function of the appendix in preparation for the question that follows. (This annotation contains an image)
The simple diagram below shows the location of the kidneys in the human body. (This annotation contains an image)
Please evaluate the evidence presented in this answer. Is there enough evidence to convince you that humans can easily survive with only one kidney? Is it convincing enough to you that you would feel comfortable donating one of your own kidneys (if you had two and the opportunity arose)? Why or why not?
You are probably familiar with this "wrinkly finger" phenomenon! (This annotation contains an image)
Overall, how is this answer structurally organized?
Components of the inner ear are shown below. Problems or disease in this area can cause symptoms like dizziness and vertigo. (This annotation contains an image)
In the second to last paragraph of this answer, the author's purpose is to
The table below shows the rates per 100,000 males in the United States of various cancers over the last century. As you can see, there was a sharp rise and then fall of lung cancer in the twentieth century, most likely due to smoking rates. (This annotation contains an image)
Overall, what is the answer to the question: how long can a person survive without water?
Please watch the video below on tone and mood, and keep the definition of tone in mind as you read this chapter. There will be questions during this chapter (and in the next quiz) on tone, so be ready! (This annotation contains a video)
What words best describe the tone of the highlighted sentence?
Interestingly, products like this are used not to cause pain but to REDUCE it! (This annotation contains an image)
The author of this answer describes three different methods for decaffeinating coffee. Is he advocating for one method over the others, or does he present each as equally good? Explain in 3-5 sentences, using direct evidence from the text.
Below is a photograph of the bark of the massoya tree. (This annotation contains an image)
Structurally, this answer
Fingerprint dusting can reveal full prints like the one shown below or "partial prints," which occur when only part of the finger touched the surface or the print was later damaged in some way. (This annotation contains an image)
Based on the title and subtitle of this chapter as compared to earlier chapters, chapter 5 is likely to focus on things like
Check out this short news report, which contains a similar explanation of thunder in preparation for the question that follows. (This annotation contains a video)
How do the text you just read, about the causes of thunder, and the video news report you just watched, on the same subject, compare?
The map below shows the parts of the U.S. most likely to be affected by hurricanes. (This annotation contains an image)
The main reason that volcanoes affect global climate is because
Below, you will find the painting referenced in the highlighted sentence, which was painted three months after Krakatau's 1883 eruption. (This annotation contains an image)
In this answer, the first paragraph explains how scientists infer the temperature of the earth's core, the second paragraph _____________, and the third paragraph gives the best scientific estimates of the temperature of the earth's core.
Below is a beautiful photograph showing these ripples. (This annotation contains an image)
Use the dictionary feature to look at the three definitions of the word "quick." Which of them, if any, applies in the case of the highlighted word? Based on this paragraph and the next, why is quicksand called quicksand? Please respond in 2-4 sentences.
In the photograph below (taken in Hawaii), the water is blue and the fish are visible for the same reason: the water is quite pure. (This annotation contains an image)
This clever subtitle comes from a play by Shakespeare of the same name, but in this case, the authors are referring to the concept of "zero."
Compare the text in Scientific American's Ask the Experts to the video from eHow. How are their explanations of the origin of the concept of zero similar, and how are they different? Which explanation do you find more compelling or convincing? Please think carefully and respond in 3-6 sentences.
Please watch the short video below, from eHow, in preparation for the question that follows. (This annotation contains a video)
In your opinion, does this answer (concerning how lasers measure the speed of cars) contain enough evidence to convince you that such speed measurements are accurate? Why or why not? Please explain in 2-4 sentences, citing evidence from the text (this can be evidence that is present and/or evidence that is missing).
Google is by far the most well known and most used search engine on this list. Northern Light actually closed its public search engine in 2002.
The main difference between a rewritable CD and a CD that is not rewritable has to do with the ______ of the CD.
Sometimes, pavement gets so hot that people try to cook eggs on it! This fun article from the Library of Congress explores whether that is possible. (This annotation contains a link)
Why, most likely, does the author not mention sunscreen in the first paragraph?
Have you ever seen a sunset like the one described? A photograph of one is below. (This annotation contains an image)
Why is this question and answer on glass in the chapter on "Physics" instead of the chapter on "Chemistry"?
If you've never cracked a whip before or seen someone else do so (many people haven't!), check out this video to get an idea of what the author is talking about. (This annotation contains a video)
What is the function of the highlighted sentence?
A wormhole is a hypothetical feature of spacetime that would fundamentally be a "shortcut" through spacetime. A wormhole is much like a tunnel with two ends each in separate points in spacetime. It is often represented in diagrams like the one shown below. (This annotation contains an image)
This question relates thematically back to chapter __________
Looks like a fun trip, huh? (This annotation contains an image)
The original question asks if the speed of light ever changes. Based on this answer, is the answer yes, no, or something else? Explain, using evidence from the text.
Below, you see a photograph of the type of oil reflection being discussed. (This annotation contains an image)
Why do you think the author includes the highlighted paragraph in her answer? For example, how is it related to the original question, "Why do jets leave a white trail in the sky?" How does it change or add to your understanding of jet trails? Please think carefully and respond in 2-4 sentences.
Microwave ovens are a fast and convenient way to cook foods. Some find their use controversial because of their use of radiation, while others say the risk is negligible. There is plenty of information on the internet, if you want to do more research.
Use the dictionary feature to examine the three definitions of the word "flat." Which definition is used in the case of the highlighted word?
This author must have been writing before the emergence of R.A. Dickey! He is a well-known knuckleballer (see his hand positioning below). (This annotation contains an image)