Category: Physics

What are the properties of an acid and a base? Chemistry Property Acid Base Taste Sour (vinegar) Bitter (baking soda) Smell Frequently burns nose Usually no smell (except NH3!) Texture Sticky Slippery Reactivity Frequently react with metals to form H2 React with many oils and fats How is an acid and a base different? A […]

How did conflicting ideologies lead to the Cold War? The conflicting ideologies of the superpowers provided the grounds for pursuing this battle for a balance of power in Europe. Both the USA and the USSR recognised that if either side gained more territory than the other then this would upset the balance of power, this […]

Will toddlers grow taller if they drink more milk hypothesis? As best as the current science can answer it, no, milk doesn’t make you grow taller, simply because, well, nothing can make you grow taller. But milk can be a useful tool to help kids grow to their potential height. What is a formalized hypothesis? […]

Is Basalt a hard rock? Interesting Basalt Facts: The word basalt comes from a Latin word meaning very hard stone. Though basalt is typically a dark, black rock, weathering can lead to a yellow-brown color. Why is basalt heavier than granite? What do you think causes some rock types to have higher densities than others? […]

How long does it take to walk a mile? 15 to 20 minutes Is it better to walk further or faster? Researchers found that obese people who walk at a slower pace burn more calories than when they walk at their normal pace. In addition, walking at a slower, 2-mile-per-hour pace reduces the stress on […]

How do you write a simple binary ionic compound? Binary ionic compounds are named by writing the metal ion first, followed by the nonmetal. If the metal has only one ion, then the Roman numeral is not necessary. Also, Greek prefixes are not used when naming ionic compounds. How do you know if a compound […]

What happens when light falls on opaque objects? Opaque objects do not allow light to pass through them. Transparent objects allow light to pass through them and we can see through these objects clearly. Translucent objects allow light to pass through them partially. Shadows are formed when an opaque object comes in the path of […]

How do you analyze customer satisfaction survey data? 5 tips for analyzing customer survey results Use the right tools to analyze your survey. Be as objective as possible when analyzing the results of your survey. Evaluate your survey results from a decision-making perspective. Be able to recognize any shortfalls in your survey results. Compare your […]

What is the effect of temperature and pressure on a gas? The pressure law states that for a constant volume of gas in a sealed container the temperature of the gas is directly proportional to its pressure. This can be easily understood by visualising the particles of gas in the container moving with a greater […]

What is the number 1 contributing factor in many crashes? Number of Fatal Crashes Speeding is one of the most prevalent factors contributing to traffic crashes. The economic cost to society of speeding-related crashes is estimated by NHTSA to be $40.4 billion per year. What is the main cause of road accidents? How different factors […]