Category: Physics

How do we determine a charged object? The quantity of charge on an object reflects the amount of imbalance between electrons and protons on that object. Thus, to determine the total charge of a positively charged object (an object with an excess of protons), one must subtract the total number of electrons from the total […]

Does thermal energy flow from hot to cold? Heat flows from hot to cold objects. When a hot and a cold body are in thermal contact, they exchange heat energy until they reach thermal equilibrium, with the hot body cooling down and the cold body warming up. This is a natural phenomenon we experience all […]

Is a paramecium more like a plant or animal? A paramecium is animal-like because it moves and searches for its own food. The have characteristics of both plant and animal. Sometimes they make food and sometimes they don’t. A spirogyra is plant-like because of the presence of chlorophyll which allows it to make its own […]

How is a frame of reference used to describe motion? Frame of reference refers to something that is not moving with respect to an observer that can be used to detect motion. But if they use objects outside the bus as their frame of reference, they can tell they are moving. How can your frame […]

What can tourists do to protect the environment? Avoid activities with high environmental impacts, such as motorized tours, trophy hunting, hiking in protected zones not open for the public… Respect the rules, stay on paths, keep voice down and do not disturb wildlife on purpose. How can we protect our environment while traveling? Check out […]

Had run out had ran out? The verb to run has a simple past tense (linguists call it preterite) ran, and past participle run. “If Obama had not run” is correct use of the participle. Thus, “he ran” ; but “he has run” or “he had run” or “he could have run” or “he will […]

Is concave or convex better? Concave is better if you press and drag the analog sticks to move them. Convex is better if you push the analog sticks with your thumb to move them. Is a Heptagon convex or concave? Heptagons and other polygons can also be classified as either convex or concave. If all […]

What are the characteristics of a mature river? Mature river: A river with a gradient that is less steep than those of youthful rivers and flows more slowly. A mature river is fed by many tributaries and has more discharge than a youthful river. Its channels erode wider rather than deeper. What is the mature […]

Can a fish live with swim bladder disease? Fish can live long, happy lives with swim bladder disorders, it will just require a few changes to your tank and regimen. Can swim bladder recover fish? Unfortunately, many cases of swim bladder disorder do not respond to treatment. If the fish does not recover in a […]

How does the Doppler effect impact exploration? Description: Doppler Effect works on both light and sound objects. For instance, when a sound object moves towards you, the frequency of the sound waves increases, leading to a higher pitch. Edwin Hubble made the discovery that the universe expands as a consequence of the Doppler Effect. Is […]