How will you separate iron filings and sugar? By using a magnet, we can separate iron fillings and sugar from their mixture. Iron filings will stick to the surface of the magnet and sugar will be left behind. Which method should a student use to separate iron filings from a bowl of cereal? Crush the […]
What are the results of turgor pressure?
What are the results of turgor pressure? Turgor, Pressure exerted by fluid in a cell that presses the cell membrane against the cell wall. Turgor is what makes living plant tissue rigid. Loss of turgor, resulting from the loss of water from plant cells, causes flowers and leaves to wilt. What’s an example of turgor […]
How do genes influence traits?
How do genes influence traits? Genes (say: jeenz) play an important role in determining physical traits — how we look —and lots of other stuff about us. They carry information that makes you who you are and what you look like: curly or straight hair, long or short legs, even how you might smile or […]
Can caffeine affect your heart?
Can caffeine affect your heart? Rapid Heart Rate The stimulatory effects of high caffeine intake may cause your heart to beat faster. It may also lead to altered heartbeat rhythm, called atrial fibrillation, which has been reported in young people who consumed energy drinks containing extremely high doses of caffeine ( 39 ). How long […]
What is the main difference between a radio wave and light?
What is the main difference between a radio wave and light? Both radio waves and light are electromagnetic waves; their main difference is their frequency. Radio waves are created by the acceleration of electrons in a radio antenna, and light waves are created by the oscillations of the electrons within atoms. How do you brighten […]
What is the best wattage microwave to buy?
What is the best wattage microwave to buy? A 1,000-watt or 1,200-watt option is the best for most people’s needs, however. It’s enough power to heat or defrost anything from the freezer section thoroughly. Cheaper microwaves with under 700-watts take longer to cook your food efficiently and may struggle to heat things evenly. How do […]
What are symptoms of timing being off?
What are symptoms of timing being off? What causes ignition timing to be off? When any changes are made to the engine of a car, the ignition timing is adjusted accordingly. If not, you could experience several problems with your engine with improper ignition timing like knocking, hard to start, increase fuel usage, overheating, and […]
Is a high pressure system Hot or cold?
Is a high pressure system Hot or cold? High pressure systems can be cold or warm, humid or dry. The origin of a high-pressure region determines its weather characteristics. If a high-pressure system moves into Wisconsin from the south during the summer, the weather is usually warm and clear. What do you notice about the […]
What does increase in demand mean?
Why are telescopes limited?
Why are telescopes limited? The resolution of an optical imaging system – a microscope, telescope, or camera – can be limited by factors such as imperfections in the lenses or misalignment. Is the human eye diffraction limited? The human eye is close to being fully diffraction-limited, at least for photopic (cone-based) vision at the center […]