Hot and cold are measured using a numeric scale called temperature. Temperature scales are how we communicate about the weather, measure safety and comfort and explain the physical world. Using baselines chosen by scientists to create relative measurements, temperature scales measure heat intensity, or the amount of thermal energy contained in a material or substance (like the air, a pot of water or the surface of the sun). There are three commonly used measurement systems: Fahrenheit, Celsius and Kelvin. What is temperature? Temperature is energy measured with a tool called a thermometer, which comes from the Greek words "thermos" (hot) and "metron" (measure), according to the Online Etymology Dictionary . Another definition of temperature is that it's a measure of the average kinetic energy — the energy of a mass in motion — of a substance's molecules, according to Georgia State University The ancient Greek physician Hippocrates allegedly taught that the … [Read more...] about What is temperature? Facts about Fahrenheit, Celsius and Kelvin scales
How separate salt from water
Sen. Ted Cruz Rafael (Ted) Edward Cruz On The Money: Senate GOP faces post-Trump spending brawl | Senate confirms SEC chief Gensler to full five-year term | Left-leaning group raises concerns about SALT cap repeal Biden watching Derek Chauvin verdict from West Wing Cruz opposed to state lawmaker's bid to replace Wright in Congress MORE (R-Texas) said Tuesday that President Biden Joe Biden Biden overruled Blinken, top officials on initial refugee cap decision: report Suicide bombing hits Afghan security forces Jim Jordan, Val Demings get in shouting match about police during hearing MORE 's comments on the trial of Derek Chauvin, a former Minneapolis police officer charged with the death of George Floyd last year, could lead to a mistrial in the case. The Texas senator's remarks came after Biden commented on the trial during questions he fielded in the Oval Office earlier Tuesday. “I'm praying the verdict is the right verdict,” Biden … [Read more...] about Cruz: Biden comments on Chauvin verdict ‘grounds for a mistrial’
IF there’s one thing parents have learned over the past year, it’s that coming up with cheap, healthy and exciting meal ideas can feel almost as soul-crushing as homeschooling. Even when you do manage to cook something new, there’s nothing more dispiriting than a child looking at the dish you worked so hard to make… and refusing to touch it. We spoke to Sunday Times bestselling author of the What Mummy Makes Cookbook and What Mummy Makes Meal Planner , 29-year-old Rebecca Wilson, to get her best lazy mum meal hacks and £1 recipe ideas. Rebecca, who lives in Carlisle with her three-year-old daughter Nina, posts many of her food hacks and recipes to her 450K+ followers on Instagram @whatmummymakes . Her “lazy mum” philosophy that we can all embrace ? When Nina was a baby, Rebecca decided she’d only cook once so everyone would eat the same thing, a strategy she insists can save parents “time, money and energy”. “My ethos is to cook just one meal for everyone to eat … [Read more...] about Mum shares her top ‘lazy’ meals – they’re just £1 (with leftovers), take minutes to make and are healthy, too
The Salton Sea has been completely dry before, and news reports now say it's drying up again . In fact, there shouldn't be any water there now anyway. The Salton Sea is not a sea at all. It is a lake in the heavily farmed Imperial Valley of Southern California. The salty sea is an odd, utterly huge expanse of water smack in the middle of the desert. The Salton Sea is the largest lake in California, at some 375 square miles (970 square km). Thing is, it didn't use to be there. Throughout geologic history, the basin has alternated between being a lake and a dry lakebed as the climate fluctuated over long time periods. Through modern history, it was bone dry. So how did the Salton Sea form? It was all a big mistake. In 1905, water from the Colorado River was diverted through the Alamo Canal to irrigate farmlands in the Imperial Valley, but huge precipitation and snow melt in the mountains that feed the Colorado sent a flood. The water broke through wooden gates in the … [Read more...] about Is the Salton Sea Drying Up?
Salton Sea sea lies along the famous San Andreas Fault and occupies the southern part of the Salton Basin and an area that once was the prehistoric Lake Cahuilla. Salton Sea filling the Salton Basin with a fresh water lake, Lake Cahuilla . When the river returned to its ancient channel to the east, the fresh waters of Lake Cahuilla quickly evaporated under the hot, Sonoran Desert sun. Salton Sea creation of the Salton Sea , California's largest lake. Salton Sea lowest point in Death Valley . Since its creation, the sea has remained filled primarily by agricultural return flow from the Imperial, Coachella and Mexicali Valleys. The annual inflow to the Salton Sea is about 420 trillion gallons (1,600 trillion liters) of water, which carries about 4,000,000 tons of dissolved salt and tens of thousands of tons of fertilizers into this unique, landlocked lake. Salton Sea Why Are Oceans Salty? ] Salton Sea Salton Sea Salton Sea Salton Sea … [Read more...] about The Serene Splendor of the Salty Salton Sea