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The Respiratory System 150 150 SchoolTutoring Academy

The Respiratory System

The primary function of the human respiratory system is to transport air into the lungs and to facilitate the diffusion of Oxygen into the blood stream and to receive waste Carbon Dioxide from the blood and exhale it. The respiratory system does this through breathing. While we breathing, we inhale oxygen and exhale carbon dioxide.…

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The Oxygen Cycle 150 150 SchoolTutoring Academy

The Oxygen Cycle

Oxygen is an important constituent of air around us. Approximately 21% of the atmosphere is comprised of oxygen. Most of the oxygen found in our atmosphere is released by plants, as a bi-product of photosynthesis. Oxygen is highly reactive. As the oxygen in our atmosphere interacts with other substances, it often bonds to them, becoming…

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Understanding Hooke’s Law 150 150 SchoolTutoring Academy

Understanding Hooke’s Law

Elasticity is the property of an object or material due to which it restores its original shape after distortion. The more precisely an object restores to its original configuration the more elastic it is. When a spring is stretched, it exerts a restoring force which tends to bring it back to its original length. This…

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What are the Surface Area Formulas? 150 150 SchoolTutoring Academy

What are the Surface Area Formulas?

Surface area is the area of a given three dimensional surface. Surface area is the measure of how much area a solid object has, expressed in square units. Below are the formulas for surface area of some common solid figures. SchoolTutoring Academy is the premier educational services company for K-12 and college students. We offer…

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How to Calculate Profit and Loss? 150 150 SchoolTutoring Academy

How to Calculate Profit and Loss?

Profit or loss is calculated when a person sells something to someone else. If he sells it for more price than he purchased, then he makes profit other he is at loss. Let, CP = cost price, the cost of the item shop owner paid SP = selling price, the price the shop owner gets…

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Calculating Compound Interest 150 150 SchoolTutoring Academy

Calculating Compound Interest

Interest is the amount paid by the borrower to the lender or is the money earned on the deposited funds. Interest is paid or earned as a percentage of the amount borrowed or invested, called principal. The percentage of the principal that is paid as a fee or earned as an interest is called the…

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3D Volume Formulas 150 150 SchoolTutoring Academy

3D Volume Formulas

Volume is defined as the amount of space occupied by a 3-dimensional object like a prism, cylinder or sphere. The volume of a container is generally understood to be the capacity of the container, i. e. the amount of fluid (gas or liquid) that the container could hold, rather than the amount of space the…

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Advantages and Disadvantages of Solar Energy 150 150 SchoolTutoring Academy

Advantages and Disadvantages of Solar Energy

Solar energy is a renewable and a never energy resource. There are many advantages of harnessing solar energy. However, there are two sides to everything, and there is a list of disadvantages to accompany the list of advantages. Advantages Solar energy is a completely renewable resource which means that even when we cannot make use…

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Solar Energy and its Applications 150 150 SchoolTutoring Academy

Solar Energy and its Applications

Energy from sun can be categorised in two ways: in the form of heat and light. We use the solar energy every day in many different ways. When we hang laundry outside to dry in the sun, we are using the solar heat to dry our clothes. Plants make their food in the presence of…

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Earth’s Rotation Basics 150 150 SchoolTutoring Academy

Earth’s Rotation Basics

Rotation is defined as a circular movement of an object around a center or point of rotation. A three-dimensional object rotates always around an imaginary line called a axis of rotation. The earth rotates about an axis of rotation that passes through the North and South Poles of the planet. The Earth’s axis is tipped over…

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