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"Science Experiments."
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Extreme experiments
Discusses various extreme experiments such as growing a nose on someone's forehead.
Book
Seasonal Flows on Warm Martian Slopes
Water probably flowed across ancient Mars, but whether it ever exists as a liquid on the surface today remains debatable. Recurring slope lineae (RSL) are narrow (0.5 to 5 meters), relatively dark markings on steep (25° to 40°) slopes; repeat images from the Mars Reconnaissance Orbiter High Resolution Imaging Science Experiment show them to appear and incrementally grow during warm seasons and fade in cold seasons. They extend downslope from bedrock outcrops, often associated with small channels, and hundreds of them form in some rare locations. RSL appear and lengthen in the late southern spring and summer from 48°S to 32°S latitudes favoring equator-facing slopes, which are times and places with peak surface temperatures from ∼250 to 300 kelvin. Liquid brines near the surface might explain this activity, but the exact mechanism and source of water are not understood.
Journal Article
Science stunts : fun feats of physics
Contains magic tricks that are based in important physics concepts such as gravity, inertia, magnetism, sound vibrations, and more.
Book
Demand Effects in Survey Experiments: An Empirical Assessment
Survey experiments are ubiquitous in social science. A frequent critique is that positive results in these studies stem from experimenter demand effects (EDEs)—bias that occurs when participants infer the purpose of an experiment and respond so as to help confirm a researcher’s hypothesis. We argue that online survey experiments have several features that make them robust to EDEs, and test for their presence in studies that involve over 12,000 participants and replicate five experimental designs touching on all empirical political science subfields. We randomly assign participants information about experimenter intent and show that providing this information does not alter the treatment effects in these experiments. Even financial incentives to respond in line with researcher expectations fail to consistently induce demand effects. Research participants exhibit a limited ability to adjust their behavior to align with researcher expectations, a finding with important implications for the design and interpretation of survey experiments.
Journal Article
Exploring kitchen science : 30+ edible experiments & kitchen activities
\"Join the world-famous Exploratorium on a curious and tasty expedition through your kitchen, where you'll learn to flash-freeze ice cream with way-cool dry ice, create dyes with your favorite fruits and veggies, see your food glow in the dark, whip up oobleck, and more\"-- Page 4 of cover.
Book
The ultimate book of saturday science
The Ultimate Book of Saturday Scienceis Neil Downie's biggest and most astounding compendium yet of science experiments you can do in your own kitchen or backyard using common household items. It may be the only book that encourages hands-on science learning through the use of high-velocity, air-driven carrots.
Downie, the undisputed maestro of Saturday science, here reveals important principles in physics, engineering, and chemistry through such marvels as the Helevator--a contraption that's half helicopter, half elevator--and the Rocket Railroad, which pumps propellant up from its own track. The Riddle of the Sands demonstrates why some granular materials form steep cones when poured while others collapse in an avalanche. The Sunbeam Exploder creates a combustible delivery system out of sunlight, while the Red Hot Memory experiment shows you how to store data as heat. Want to learn to tell time using a knife and some butter? There's a whole section devoted to exotic clocks and oscillators that teaches you how.
The Ultimate Book of Saturday Sciencefeatures more than seventy fun and astonishing experiments that range in difficulty from simple to more challenging. All of them are original, and all are guaranteed to work. Downie provides instructions for each one and explains the underlying science, and also presents experimental variations that readers will want to try.
eBook
Electricity
\"Packed with fun experiments, Science in action: Electricity helps young learners to understand how electricity works\"-- Page 4 of cover.
Book
Argument-Driven Inquiry in Fifth-Grade Science
Are you interested in helping your elementary students learn the practices of science, including constructing explanations and engaging in argument from evidence? \"Argument-Driven Inquiry in Fifth-Grade Science\" will provide you with both the information and instructional materials you need to get started right away. The book is a one-stop source of expertise, advice, and investigations. It's designed to help your fifth graders work the way scientists do while integrating literacy and math at the same time. \"Argument-Driven Inquiry in Fifth-Grade Science\" is divided into two basic parts: (1) An introduction to the stages of ADI--from question identification, data analysis, and argument development to evaluating and revising ideas; and (2) A well-organized series of 16 field-tested investigations designed to be much more authentic for instruction than traditional activities. The focus is on making sense of how the world works. Investigations cover matter and its interactions; motion and stability; ecosystems and their interactions, energy, and dynamics; Earth's place in the universe; and Earth's systems. Using the Student Workbook, your students will explore important content and discover scientific practices. They'll investigate questions such as: What happens to a substance's weight when transforming from a solid to a liquid? Where does the matter that plants need to grow come from? Why do days change length in different locations on Earth? And why do people use hot water instead of cold when making tea? This book is part of NSTA's bestselling series about ADI in elementary, middle, and high school science. Like its predecessors, this collection is designed to be easy to use, with teacher notes, investigation handouts, and checkout questions. The lessons support the Next Generation Science Standards and the Common Core State Standards for English language arts and mathematics. The book can also help emerging bilingual students meet the English Language Proficiency Standards with its tips for teaching English language learners. Many of today's elementary school teachers--like you--want new ways to engage students in scientific practices and help students learn more from classroom activities. \"Argument-Driven Inquiry in Fifth-Grade Science\" does all of this while giving students the chance to practice reading, writing, speaking, and using mathematics in the context of science.
eBook
Get into wow-factor science
Amaze your friends and family with awesome experiments that let you see what happens when you combine materials, mix ingredients, and play with forces. From gooey slime to exploding toothpaste, this cool title walks readers through simple, low-preparation and more complex science experiments to get creativity flowing. Step-by-step photos and fact boxes support readers and bring the experiments to life.
Book
Publication bias in the social sciences
We studied publication bias in the social sciences by analyzing a known population of conducted studies—221 in total—in which there is a full accounting of what is published and unpublished. We leveraged Time-sharing Experiments in the Social Sciences (TESS), a National Science Foundation–sponsored program in which researchers propose survey-based experiments to be run on representative samples of American adults. Because TESS proposals undergo rigorous peer review, the studies in the sample all exceed a substantial quality threshold. Strong results are 40 percentage points more likely to be published than are null results and 60 percentage points more likely to be written up. We provide direct evidence of publication bias and identify the stage of research production at which publication bias occurs: Authors do not write up and submit null findings.
Journal Article