Waterslides: Cool, Slippery Science Achieve 3000 Answers

Activity Answers

Question	Answer
Which of the following sentences expresses the main idea of the article? A. Water parks around the world include a variety of waterslides and other attractions. B. A safe and fun waterslide relies on the practices of both physics and engineering. C. A waterslide designer uses computer simulations and testing to ensure rider safety. D. Waterslides depend on the constant force of gravity to pull riders down the slides.	A safe and fun waterslide relies on the practices of both physics and engineering.
According to the article, why do people go faster on a wet slide? A. Because the water reduces friction between the riders and the slide B. Because the water swings the riders from side to side as they descend C. Because the water increases the pull of gravity as the riders descend D. Because the water increases friction between the riders and the slide	Because the water reduces friction between the riders and the slide
Based on information in the article, how are Summit Plummet and Space Twister different? A. Space Twister has waterslide tubes that run through a giant wheel, while Summit Plummet emphasizes acceleration with quick turns and curves. B. Space Twister drops riders 12 stories almost vertically, while Summit Plummet lets riders choose a virtual reality adventure. C. Summit Plummet drops riders 12 stories almost vertically, while Space Twister lets riders choose a virtual reality adventure.	Summit Plummet drops riders 12 stories almost vertically, while Space Twister lets riders choose a virtual reality adventure.
Read this passage from the article: If you’re poised at the pinnacle of Summit Plummet, don’t bother trying to get a glimpse down the chute. It’s so steep you won’t be able to see where you’re headed …. The steeper the slide, the faster the ride, and Summit Plummet has a near-vertical slope. One moment riders are chilling at the top. Seconds later, they’re freefalling at highway speed. Which words from the passage help you understand the meaning of the word pinnacle?	at the top
Based on the article, the reader can infer that A. scientists have not determined what riders enjoy about waterslides and similar attractions B. waterslides are intended to provide a fun experience to a wide range of possible riders C. people enjoy waterslides more when they can clearly see where they are going D. safety is not an important concern for waterslides because riders land in water	waterslides are intended to provide a fun experience to a wide range of possible riders
Which is the closest antonym for the word ingenious, as it is used in the article?	ordinary
Which of these is a statement of fact? A. Gimmicks like headsets diminish the waterslide experience. B. Twists and turns are more thrilling than downhill drops. C. Waterslide designer is an ideal career for an engineer. D. Riders can reach highway speeds on some waterslide rides.	Riders can reach highway speeds on some waterslide rides.
This article would be most useful as a source for a student research project on A. the popularity of waterslides by country B. the science behind amusement park rides C. the best careers for engineering students D. the history of the discovery of gravity	the science behind amusement park rides