What do electrons and neutrons have in common? Protons have an electrical charge, but neutrons have no charge. What do an electron and a neutron have in common? Each particle exists inside an atom. Its location is in the nucleus, because the particle is a proton or a neutron. What do protons do? Proton, stable […]
What materials should not be present around a gas burner?
What materials should not be present around a gas burner? any overhead shelving, equipment or light fixtures. REMOVE all papers, notebooks, combustible materials and excess chemicals from the area. TIE-BACK any long hair, dangling jewelry, or loose clothing. Which flame is the hottest? blue What does it mean when the flame is blue? complete combustion […]
What kinds of sensory receptors are in the skin?
What kinds of sensory receptors are in the skin? The sensory receptors in the skin are: cutaneous mechanoreceptors. Ruffini’s end organ (skin stretch) End-bulbs of Krause (Cold) Meissner’s corpuscle (changes in texture, slow vibrations) Pacinian corpuscle (deep pressure, fast vibrations) thermoreceptor. nociceptors. chemoreceptors. What are the four general senses? The general senses are pain, temperature, […]
How do people eat in space?
How do people eat in space? Astronauts mainly drink water while in space, but flavoured drinks are also available. Freeze-dried drink mixes such as coffee or tea, lemonade and orange juice are provided in vacuum sealed pouches. The astronauts then add water to the beverage pouch through the pressurised hose and suck the drink through […]
Can water be affected by a charged rod?
How do you increase oxygen and blood flow?
How do you increase oxygen and blood flow? In addition, trying one or more of the following may help improve circulation: Maintaining a healthy weight. Maintaining a healthy weight helps promote good circulation. Jogging. Practicing yoga. Eating oily fish. Drinking tea. Keeping iron levels balanced. How does blood flow to muscles? Blood Flow During Exercise […]
What is the direction of magnetic lines of force in a bar magnet?
What is the direction of magnetic lines of force in a bar magnet? (a) The direction of magnetic field lines outside a bar-magnet is from North seeking pole to south seeking pole while inside the magnet it is from south to north seeking pole. Is swallowing a small magnet harmful? Swallowing a single magnet is […]
How do you measure high temperature?
How do you measure high temperature? Pyrometer, device for measuring relatively high temperatures, such as are encountered in furnaces. Most pyrometers work by measuring radiation from the body whose temperature is to be measured. How do you measure temperature over 100 degrees? Fahrenheit and Celsius are two different scales for measuring temperature. A thermometer measuring […]
What is the result of constructive interference?
What is the result of constructive interference? Wave interference When two waves come close to one another, their effects add together. This is known as constructive interference, in which two waves (of the same wavelength) interact in such a way that they are aligned, leading to a new wave that is bigger than the original […]
What is the color of the solution when AgNO3 is mixed with NaCl?
What is the color of the solution when AgNO3 is mixed with NaCl? For example, when an aqueous solution of silver nitrate (AgNO3) is added to the aqueous solution of sodium chloride (NaCl), a white precipitate of silver chloride (AgCl) is formed that is indicated by the following chemical reaction. What are the products of […]