Category: Physics

What describes the movement of wind? Movement of air caused by temperature or pressure differences is wind. Consequently, air blows anticlockwise around a low pressure centre (depression) and clockwise around a high pressure centre (anticyclone) in the northern hemisphere (see Figure 3.1). Which set of conditions describes a low pressure system? Explanation: A low pressure […]

Can cell division reproduce an entire organism? A) Cell division is the basis of both sexual and asexual reproduction. Cell division is necessary for development to occur. C) Cell division is common in eukaryotes but rare in prokaryotes. D) Cell division can reproduce an entire organism. Why animals can reproduce in large number? Animals have […]

Can we see Earth rotation from space? At GO, your orbital period is 24h. So as the earth makes one rotation, the object in GO will complete one orbit (flyaround of the earth). You don’t see the earth spinning from earth because it spins at 360 degrees per day. Can a plane fly faster than […]

What is the most important compound? water What are the 10 most common compounds? Glossary Compound Formula Abundance parts per million by weight Silicon dioxide SiO2 428,600 Magnesium oxide MgO 350,700 Ferrous oxide FeO 89,700 Aluminum oxide Al2O3 69,900 What are examples of common compounds? Examples of Compounds – Common Compounds C2H6O: Alcohol. NaCl: Salt. […]

Is an extreme sport? Extreme sports, also known as action sports or alternative sports, sporting events or pursuits characterized by high speeds and high risk. The sports most commonly placed in this group are skateboarding, snowboarding, freestyle skiing, in-line roller-skating, street lugeing, and BMX and mountain biking. What is the most dangerous extreme sport? BASE […]

How tall is Connor Jessup? 1.8 m Where does Connor Jessup live? Toronto Is Miles Heizer a girlfriend? yes Who plays Taylor Blaine? Connor JessupAmerican Crime Why did Rendell kill Lucas? Rendell Locke killed Lucas, as his kids have seen in a memory jar, but it was to protect Ellie and stop Lucas from doing more […]

What do you do if your tire blows out on the highway? What to do if You Experience a Blowout on the Highway Grip steering wheel firmly and do not slam on brakes. Let your car slow down gradually by taking your foot off the gas pedal. Let your car roll toward the berm or […]

What is the most important protein in the body? Collagen is the most abundant protein in your body and is the structural protein of your bones, tendons, ligaments and skin ( 14 ). Elastin is several hundred times more flexible than collagen. What are the 3 top sources of protein? The two main food groups […]

How do liquids compare to density? If you weigh equal amounts or volumes of two different liquids, the liquid that weighs more is more dense. If a liquid that is less dense than water is gently added to the surface of the water, it will float on the water. If a liquid that is more […]

What is the difference between salt and sugar dissolving in water? The oppositely charged ends of polar water molecules attract the ions and pull them away, resulting in dissolving. Sugar is made from sucrose molecules which are larger and more complex than the ions in salt (See Teacher Background Lesson 1.2). When sugar dissolved in […]