What are the three properties of color? And every color can be described in terms of having three main attributes: hue, saturation and brightness. Hue is identified as the color family or color name (such as red, green, purple). Hue is directly linked to the color’s wavelength. What are the 5 properties of color? Color […]
What are some science rules?
What are some science rules? Act responsibly in the science classroom / lab. Follow all written and verbal instructions carefully. Never work alone. Do not touch equipment or chemicals in the lab until your teacher gives instructions. Do not eat, drink or chew gum in the science classroom / lab. Do not drink from lab […]
What happens when the sun moon and Earth are at right angles to each other?
Why is 14 the most dangerous age?
Why is 14 the most dangerous age? Teenagers binge drink, take drugs and have unsafe sex because they are programmed to take risks, new research shows. They are more likely than other age groups to indulge in dangerous behaviours – particularly after enjoying the buzz of a “lucky escape”, say scientists. What age is hardest […]
How do you find the mass of the volume of a gas?
How do we use radio waves in everyday life?
How do we use radio waves in everyday life? They are used in standard broadcast radio and television, shortwave radio, navigation and air-traffic control, cellular telephony, and even remote-controlled toys. (For a fuller treatment, see electromagnetic radiation: Radio waves.) Which pair of TM waves is commonly used for communication? The pair of electromagnetic waves that […]
What does modulation actually do to a message and carrier?
What does modulation actually do to a message and carrier? This process of imposing an input signal onto a carrier wave is called modulation. In other words, modulation changes the shape of a carrier wave to somehow encode the speech or data information that we were interested in carrying. Modulation is like hiding a code […]
Why are metal bats banned in MLB?
Why are metal bats banned in MLB? There are on going rules committee discussions to remove aluminum bats from division I NCAA college baseball because of the injury factor. Because the ball exits the aluminum bat with a higher velocity than would a ball from a wooden bat, there is naturally a greater danger of […]
What is the friction loss of 200 feet of 1.75 Hose at 200 gpm?
What is the friction loss of 200 feet of 1.75 Hose at 200 gpm? 69.75 PSI Why is friction loss important? Friction converts mechanical energy to heat energy, so by the time water reaches the nozzle it has lost a good part of its pressure. It is the operator’s responsibility to know the friction loss […]