Category: Physics

Is pollution really a problem? One of the greatest problems that the world is facing today is that of environmental pollution, which is causing grave and irreparable damage to the natural world and human society with about 40% of deaths worldwide being caused by water, air and soil pollution and coupled with human overpopulation has […]

Do all cells have cytoplasm? All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. Why do all cells have cytoplasm? Cytoplasm works in plant cells much like it does in animal cells. It provides support to the internal structures, is the suspension medium for the organelles and maintains the shape of a cell. What […]

Can you make things levitate? If you are using a card, crumpled piece of paper, or a dollar you can transfer the string from your finger to the object as you explain that you can make the object levitate. Hold the object in place with your free hand as you pull away with the hand […]

What are the 6 steps of the carbon cycle in order? Terms in this set (7) Carbon Cycle. this process is driven by the six processes of: photosynthesis, respiration, exchange, sedimentation and burial, extraction, and combustion. Photosynthesis. Respiration. Burial. Extraction. Combustion. Exchange. Is the carbon cycle important for humans and plants? The carbon cycle is […]

Why does the solution conduct electricity when the crystals dissolved in water? When a crystal of an ionic compound dissolves in water, the ions separate. Again, the ions are free to move – so a solution of an ionic compound in water also conducts electricity. Which compound has the most ionic character? The greatest the […]

Why is there 108 stitches on a baseball? In total, 108 hand-stitched double stitches are used to cover the baseball. At the MLB level, these red stitches and the rest of what is used in a baseball are stored in temperature controlled facilities and wound under tension so no “soft spots” exist in the ball, […]

Is 1 liter the same as 500ml? One Liter is more than 500 mL since one Liter is equal to 1000 mL. What is 500ml away from 1l? Convert 500 Milliliters to Liters 500 Milliliters (ml) 0.500000 Liters (L) 1 ml = 0.001000 L 1 L = 1,000 ml What is 250ml in cups? Metric […]

Will 30 minutes of cardio a day burn fat? Researchers found moderately overweight men who exercised hard enough to sweat for 30 minutes a day lost an average of 8 pounds over three months compared to an average weight loss of 6 pounds among men who worked out for 60 minutes a day. The overall […]

How much energy is in a firework? While most real firecrackers are limited by law to 50 milligrams (mg) of gunpowder, the party poppers that are sold in stores are capped out at 16 mg of gunpowder each. Given that gunpowder has a specific energy of 3.0 Megajoules per kilogram, we can calculate that each […]

What are the application of composite materials? Composites are ideal for applications in corrosive environments, such as chemical processing plants, pulp and paper converting, oil and gas refineries and water treatment facilities. Common applications include fans, grating, tanks, ducts, hoods, pumps and cabinets. What is an example of a composite material? Composite material Reinforced concrete […]