Category: Physics

What is the importance of child study? By studying children, we can learn more about why they develop the way they do and also the most effective ways to help them to develop as responsible citizens with positive contributions to make. How can parents/caregivers influence a child’s development? Parents and caregivers offer their children love, […]

What is a BTU in English units? A British thermal unit (Btu) is a measure of the heat content of fuels or energy sources. It is the quantity of heat required to raise the temperature of one pound of liquid water by 1 degree Fahrenheit at the temperature that water has its greatest density (approximately […]

What are the most common two letter words? The most common two-letter words are of, to, in, it, is, be, as, at, so, we, he, by, or, on, do, if, me, my, up, an, go, no, us, am. The most common three-letter words are the and and. Which vowel is used least? Z What are […]

What are the three main states of matter? They are very compressible (particles are widely spaced). There are three states of matter: solid; liquid and gas. Can be compressed into smaller spaces? Because there is space between the particles, they can be squashed into a smaller volume when the gas is compressed….particles are fixed to […]

Is CRT TV bad for eyes? There are two things about CRTs that can potentially damage eyesight. #1 is staring at the same close-range object for hours at a time, causing eyestrain. The muscles that focus the lens are forced to hold one position for a long time, and that can hurt them after too […]

What happens when one star in a binary system dies? A binary system of stars with one red giant will result in the companion tearing the outer layers of the red giant star away. From there, you wind up growing the object nearby, or causing a nova, a supernova, or the creation of a lot […]

What are examples of supplementary materials? Defining Supplementary Material: Supplemental material is used to add detail, background, or context to an article by providing, for example, multimedia objects such as audio clips and applets; additional XML-tagged sections, tables, or figures; raw data in a spreadsheet, or a software application in a repository. What are the […]

What 4 things are needed for photosynthesis? For photosynthesis to take place, plants need to take in carbon dioxide (from the air), water (from the ground) and light (usually from the sun). What are the three end products of photosynthesis? Glucose and oxygen are the final products of photosynthesis. We all know that photosynthesis is […]

Which is stronger cobalt or nickel? It was found that cobalt was even stronger than nickel, possess- ing a tensile strength of about 65,000 pounds per square inch. What do iron nickel and cobalt have in common? A magnetic alloy is a combination of various metals from the periodic table such as ferrite that contains […]

What are the different recording formats? Lossy formats. MP3. MP3 (MPEG-1 Audio Layer III) is the most popular of the lossy formats. AAC. Advanced Audio Coding or AAC files (also known as MPEG-4 AAC), take up very little space and are good for streaming, especially over mobile devices. Ogg Vorbis. FLAC. ALAC. WAV. AIFF. DSD. […]