Category: Physics

What is magnet and types? Permanent magnets are magnets that retain their magnetism once magnetized. Temporary magnets are materials magnets that perform like permanent magnets when in the presence of a magnetic field, but lose magnetism when not in a magnetic field. Below we breakdown the various types of magnet available. What are the main […]

What are 6 Non-renewable resources? Nonrenewable energy resources include coal, natural gas, oil, and nuclear energy. What is the best reason to use renewable resources? Environmental and economic benefits of using renewable energy include: Generating energy that produces no greenhouse gas emissions from fossil fuels and reduces some types of air pollution. Diversifying energy supply […]

How often do blue moons occur? How often does a blue moon happen? Normally blue moons come only about every two or three years. In 2018 unusually, we had two blue moons in one year and only two months apart – and one was a lunar eclipse! How many blue moons are there in 2020? […]

What is the first step in responding to any sports injury? Explain why the first step in responding to any sports injury is to remove the danger that lead to the injury. When someone sustains an injury while participating in sports, that indicates that something unexpected has occurred. How does compression help swelling? Compression Applying […]

Does more water make plants grow faster? Water helps a plant by transporting important nutrients through the plant. With outdoor plants, you can’t control the plants getting too much water if your area gets a lot of rain, so you need to make sure that the soil has the proper drainage, because too much water […]

What are some examples of seafloor spreading? Seafloor spreading occurs along mid-ocean ridges—large mountain ranges rising from the ocean floor. The Mid-Atlantic Ridge, for instance, separates the North American plate from the Eurasian plate, and the South American plate from the African plate. What is used to measure bathymetry? ADCPs measure water velocity by transmitting […]

When a spoon is in a glass half full of water Why does the spoon look like it is broken in the middle? It is refraction due to which we saw spoon broken near water surface. 1. If you put a coin inside glass of water and view it from the top then coin appears […]

Is it cheaper to leave AC on all day? In general, it is cheaper to leave the AC on all day during very hot temperatures. However, turning off the AC during a heat wave can quickly introduce a lot of heat and humidity into your home. After even just a couple of hours, your AC […]

Does every NBA player wear a mouthguard? Are NBA Players Required to Wear Mouthguards? NBA players are NOT required to wear mouthguards. However, most NBA players wear mouth guards anyways. The most popular NBA players wear mouth guards and that includes players like Steph Curry, Lebron James and Kevin Durant. How much is Steph Curry’s […]

What does each letter represent in the DNA strand Gattaca? The film’s title is based on the letters G, A, T, and C, which stand for guanine, adenine, thymine, and cytosine, the four nucleobases of DNA. What does each letter represent in the DNA strand? The instructions in a gene that tell the cell how […]