What will happen if a bar magnet is broken in two pieces and why? If a bar magnet is broken into two pieces, each piece will behave as an individual magnet because the new poles are formed at the broken ends. If these pieces are broken further, the smaller pieces still remains as individual magnets […]
What two forces are balanced in any star?
What two forces are balanced in any star? Gravitational forces act to contract the star. Fusion reactions and heat convection act to expand the star. The two forces are balanced and the star remains stable in size and reactions. What does it mean that the energy in the sun is balanced? What does it mean […]
What Hertz can humans hear by age?
What Hertz can humans hear by age? People of All ages without a hearing impairment should be able to hear the 8000hz. People under 50 should be able to hear the 12,000hz and people under 40, the 15,000hz. Under 30s should hear the 16,000hz, and the 17,000hz is receivable for those under 24. MORE: Test! […]
How does the rain shadow effect affect climate?
How does the rain shadow effect affect climate? The mountains block most precipitation from falling in the valley, creating a dry climate where few plants grow. A rain shadow is a patch of land that has been forced to become a desert because mountain ranges blocked all plant-growing, rainy weather. On one side of the […]
What is negative control vs positive control?
What is negative control vs positive control? A negative control is a control group in an experiment that uses a treatment that isn’t expected to produce results. A positive control is a control group in an experiment that uses a treatment that is known to produce results. Who has the best drinking water in the […]
Where does the oil dipstick go in a Nissan Pathfinder?
Is a pencil chemical change?
Is a pencil chemical change? When you sharpen your pencil, you have only caused a physical change. The sharpener has cut off some of the wood and maybe also some of the graphite, but the atoms of the wood and graphite have not changed chemically. Is snow a physical or chemical change? When rain turns […]
What is the greatest distraction when driving?
What is the greatest distraction when driving? Talking and texting. People who use their cell phones to talk or text while driving are by far the most common reason for distracted driving accidents. In fact, the National Safety Council estimates that 26% of all car crashes involve cell phones. What are 5 10 things that […]
Why did they ban incandescent bulbs?
Why did they ban incandescent bulbs? But the US energy department said banning incandescent bulbs would be bad for consumers because of the higher cost of more efficient bulbs. The Department of Energy said it had withdrawn the ban because it was a misinterpretation of the 2007 Energy Independence and Security Act. Are CFLs being […]
What is the other name of residual soil?
What is the other name of residual soil? the soil that is remaining after the soluble elements have been dissolved. synonyms: residual clay. see more. type of: dirt, soil. What is residual soil give an example? If the products of rock weathering are still present at the place of origin, the soil is called Residual […]