11.36 Types of Water Pollution

11 .36 Types of Water Pollution Learn about water pollution and how water pollutants make the water dangerous for humans, plants, and animals. Discover how pollution works and different types of water pollutants, such as sewage, pesticides, and other chemicals.…

11.35 Desalination Lesson

11.35 Desalination Lesson Since the Earth is nicknamed the Blue Planet, you would think we have enough water to last us forever. However, almost all of the water on Earth is undrinkable saltwater. This lesson focuses on the process of…

11.34 Irrigation Lesson

11.34 Irrigation Lesson Irrigation is an important part of your life. In this lesson, you will explore how irrigation is used daily, how important it is to your survival, and how you can have fun with irrigation! Continue reading to…

11.33 How to Recycle

11.33 How to Recycle Taking care of the planet isn’t just for Earth Day! Read on to learn about how you can make a difference every day by reducing, reusing, and recycling! Why Recycle? Did you know that the average…

11.32 The Nitrogen Cycle Lesson

The nitrogen cycle is essential for the survival of living organisms on our planet. Most nitrogen is contained in the Earth's atmosphere, and living organisms need a way to access that nitrogen. We will follow the cycle to understand how this happens.

11.31 What is the Greenhouse Effect

How can plants be grown during cold seasons? Inside a greenhouse it stays nice and warm even if there are snowmen outside. Learn how Earth is like a giant greenhouse in this lesson.

11.30 What is Global Warming

Learn about global warming, what this term means, and how it manifests in the environment. Discover how the Earth stays warm and what causes global warming. Finally, explore how global warming affects different plants and animals.

11.29 What is Energy Conservation

Learn about energy conservation, what it means, and why conserving energy is a good practice. Discover how energy is used in the United States and how individuals can conserve energy in their daily lives.

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