Is warm air less dense than cold air? The density of air is a measure of how much mass is contained in one cubic foot of air. That’s pretty simple to understand, but it can be a bit confusing when you start thinking about the densities of different substances. Warm air has less density than cold. …
Since we already know that air resistance is the force that slows down objects falling to the ground but exactly how does air resistance affect falling objects? It makes an object fall at a slower speed and reach the ground later than it would in a vacuum. The faster an object falls, the bigger the…
As earthquakes can strike without warning, it’s important to be prepared, always ready, and to know the safest place in apartment during earthquake. We will discuss some key considerations for finding the safest place in your apartment during an earthquake. By understanding the potential dangers and taking the appropriate steps to protect yourself, you can…
What kind of fish are in the Columbia river is a question that has been on the lips of many for years now. Columbia River is the largest river in North America. It flows from its headwaters as several streams into the Pacific Ocean. It also drains a vast area of Canada and the northernmost…
How do power plants know how much they can pollute? This is a question that many people have asked for years. That’s because it’s difficult to stick with the rules. You have to be very careful when measuring pollutants like sulfur dioxide, nitrogen oxides, and particulates in the air other than through instruments or computers. …
So how far can a squirrel fall without dying? When ascending, they can make a vertical leap of ten times their body length and rotate their ankles through a full 180 degrees. In simple words, Squirrels are incredible! What strikes us most about squirrels is their adorable nature. But, have you ever wondered what would…
A lot of people have wondered how fog forms around icebergs and why it does, but the truth remains that there is a reason why are icebergs often surrounded by fog. It can even cause water vapor to condense into tiny water droplets, creating fog. Icebergs are frequently surrounded by fog because of the difference…
When we talk about energy production, wind energy is usually talked about, but the question is, how much energy do wind turbines produce? As a renewable source of energy, wind turbines have some advantages over other power sources like coal or fossil fuels. Wind turbines can produce a lot of power for relatively little cost…
A great deal of our drinking water is extracted from underground wells, but in this article, we’d be answering the question “how does well water become polluted“. How are you able to drink with it, after all? However, we know groundwater and surface water can be sources of pollution when they come in contact with…
Have you ever wondered to yourself: how does the gradient of a river affect its flow? The most obvious reason would be that water flows downhill and gravity is a strong force. However, there is much more to it than meets the eye and this article will explain why this is so. The gradient of…
