How 2020 is a unique leap year? 2020 is a unique Leap Year. It has 29 days in February, 300 days in March and 5 years in April. May may never never end end. Why is February called February? February is named after an ancient Roman festival of purification called Februa. The Roman calendar originally […]
What is time period class8?
What is time period class8? Time period of vibration The time taken by pendulum bob to complete one vibration or one oscillation is called the time period of pendulum. The time taken by a vibrating object to complete one vibration is called its time period. What comes after a Teraannum? There is a megaannum (Ma) […]
How can you tell if a tornado is coming?
How can you tell if a tornado is coming? What are the Signs of a Tornado ? Cloud Base. The Cloud Base is actually and consistently rotating (EVEN IF SLOWLY). Wall Cloud. A Wall Cloud, a large LOWERING cloud formation. Dust Debris. Sudden Stop | Eerily Quiet. Intense Wind Shift. Greenish – Black Sky. Very […]
Are Finns Nordic or Slavic?
Are Finns Nordic or Slavic? Finns are North Europeans, closely related to Estonians and Swedes-Norwegians, but also to North Russian and Baltic people. Via N male ancestry, which is Finnic. They are neither Slavic nor Scandinavian but because of Finland’s close history to Sweden, they are most likely closer to Scandinavian. What would happen if […]
Can you drive in freezing rain?
Can you drive in freezing rain? Don’t drive, if you don’t have to. If you are aware of freezing rain conditions, stay home. Even with the reduction of speed, slick conditions like freezing rain just means that you will slide slower across the ice-ridden roads. Is driving with sleet dangerous? One of the reasons it […]
Why is water essential to us give four ways Class 6?
Why is water essential to us give four ways Class 6? For personal or domestic needs – Water is used for drinking and bathing, washing clothes and dishes, cleaning the house and watering plants. What is called rain? Rain is a kind of precipitation. Precipitation is any kind of water that falls from clouds in […]
What best compares radiation and conduction?
What best compares radiation and conduction? The statements that best compares radiation and conduction are the following: both transfer thermal energy from warm objects to cooler objects and both can transfer energy through matter. The difference is that conduction is through direct heat transfer; whereas, radiation transfers heat through waves. What describes how radiation moves? […]
What products increase friction?
What products increase friction? There are two methods of increasing friction: one is by making the surfaces rough and the other by increasing the mass of the object that is moving. For example, the tyres of vehicles have treads (these are the ‘designs’ that you can see on the tyre surface), which increase the friction […]
How can groundwater erosion be prevented?
How can groundwater erosion be prevented? mulch. Using straw, wood chips, saw dust, or some other material as ground cover can limit the effects of erosion until plants or crops can grow to the point of protecting the soil themselves. Are caves formed by erosion? Corrasional or erosional caves are those that form entirely by […]
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 […]