Earth Sciences

Tell Me About Fossil Fuels: Source of Energy

Tell Me About Fossil Fuels: Source of Energy 150 150 SchoolTutoring Academy

Fossil fuel is a general term for buried combustible geologic deposits of organic materials, formed from decayed plants and animals over millions of years. Fossil fuels are called so because…

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Earth Sciences: Understanding the Types of Soil

Earth Sciences: Understanding the Types of Soil 150 150 SchoolTutoring Academy

Soil is a thin layer of material on the Earth’s surface on which living beings survive and plants have their roots. It is made up of many things, such as…

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Understanding the Greenhouse Effect

Understanding the Greenhouse Effect 150 150 SchoolTutoring Academy

Life on earth depends on sunlight. A part of the sun’s energy is deflected by the outer atmosphere and scattered back into space. The rest reaches the earth’s surface and…

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Composition of the Earth’s Atmosphere

Composition of the Earth’s Atmosphere 150 150 SchoolTutoring Academy

The Earth’s atmosphere is a layer of gases surrounding the Earth. The atmosphere absorbs solar radiations warming the surface by retaining heat. The composition of the atmosphere is very important…

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Layers of the Earth’s Atmosphere

Layers of the Earth’s Atmosphere 150 150 SchoolTutoring Academy

The earth’s atmosphere consists of Nitrogen (78%), Oxygen (21%), Water (4%), Argon (0.93%), Carbon Dioxide (0.039%), Neon (0.0018%), Helium (0.0005%), Methane (0.00018%), Hydrogen (0.00005%),  Nitrous Oxide (0.00003%) and Ozone (0.000004%).…

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Overview of the Water Cycle

Overview of the Water Cycle 150 150 SchoolTutoring Academy

Water is the most abundant compound on earth’s surface, covering nearly 70% of earth. Water can change states among liquid, vapor, and solid. The Water Cycle, also known as the…

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Understanding the Chemical Properties of Water

Understanding the Chemical Properties of Water 150 150 SchoolTutoring Academy

  Water covers about 70% of the earth’s surface, being the most abundant compound on the planet. It is tasteless, odorless and colorless. It is very commonly referred as universal…

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Understanding the Nitrogen Cycle

Understanding the Nitrogen Cycle 150 150 SchoolTutoring Academy

Nitrogen gas is a major component of air. Nitrogen is used by living organisms to produce a number of complex organic molecules like amino acids, proteins, and nucleic acids. The…

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The Carbon Cycle

The Carbon Cycle 150 150 SchoolTutoring Academy

All living things are made of carbon. Carbon is also a part of the ocean, air, and rocks. In the atmosphere, carbon is attached to some oxygen to form carbon…

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