Atmosphere - The atmosphere is a mixture of gases that surrounds the Earth. It helps make life possible by providing us with air to breathe, shielding us from harmful ultraviolet (UV) radiation coming from the Sun, trapping heat to warm the planet, and preventing extreme temperature differences between day and night.
Biomes - A biome is an area classified according to the species that live in that location. Temperature range, soil type, and the amount of light and water are unique to a particular place and form the niches for specific species allowing scientists to define the biome.
Conservation - Conservation is the protection of things found in nature. It requires the sensible use of all Earth's natural resources: water, soil, minerals, wildlife, and forests. People who care about conservation try to preserve natural resources so they will still be around in the future.
Ecosystem - An ecosystem is made up of all of the living and nonliving things in an area. This includes all of the plants, animals, and other living things that make up the communities of life in an area. An ecosystem also includes nonliving materials—for example, water, rocks, soil, and sand. A swamp, a prairie, an ocean, and a forest are examples of ecosystems.
Elements - Elements are solids, liquid, and gases that cannot be broken down into anything else.
Farm - A farm is a piece of land used to grow crops and/or raise animals for produce. People who grow this produce are called “farmers”, and their work is called “farming”. Farms come in all shapes and sizes, with some being very large and others very small.
Instincts - Instinct is defined as an unlearned behavior that it is inborn, developed through evolution, and shared by all the members of a species.
Landscapes - A landscape is part of Earth's surface that can be viewed at one time from one place. It consists of the geographic features that mark, or are characteristic of, a particular area. The term comes from the Dutch word landschap, the name given to paintings of the countryside.
Minerals - Minerals are essential to the life of plants and animals. Most plants get minerals from the soil. Animals, including humans, obtain mineral nutrients from plants, vegetables, and fruits or from the milk, eggs, and meat of plant-eating animals. Industry is equally dependent upon an abundant supply of minerals. A mineral is defined as a naturally occurring solid that has a definite chemical composition and an ordered, usually crystalline, atomic structure. Minerals form through inorganic, or nonliving, processes. The elements in a mineral may be metallic or nonmetallic. There are several thousand known types of minerals; approximately 100 of these make up the main mineral components of rocks.
Nutrients - Nutrients are important substances you get from food that help your body survive and grow. Nutrients include carbohydrates, proteins, fats, vitamins, and minerals. Proteins help build your body as it grows, while carbohydrates and fats are mainly used for energy. Vitamins and minerals help you stay healthy.
Organic Matter - Organic matter (or organic material) is matter that has come from a recently living organism. It is capable of decay, or is the product of decay; or is composed of organic compounds.
Oxygen - Oxygen is a colorless, odorless, tasteless gas essential to living organisms, being taken up by animals, which convert it to carbon dioxide. Oxygen is a chemical element with an atomic number of 8.
Planets - A planet must do three things: it must orbit a star, it must be big enough to have enough gravity to force a spherical shape, and it must be big enough that its gravity cleared away any objects of a similar size near its orbit.
Pollution - Pollution happens when the environment is contaminated, or dirtied, by waste, chemicals, and other harmful substances. There are three main forms of pollution: air, water, and land.
Recycle - Recycling is the process of taking materials ready to be thrown away and converting (changing) them into reusable materials. This is important to reducing trash
Solar System - The solar system consists of the Sun and everything that orbits, or travels around, the Sun. This includes the eight planets and their moons, dwarf planets, and countless asteroids, comets, and other small, icy objects. However, even with all these things, most of the solar system is empty space.
Sustainability - Sustainability has become a mainstream topic in the 21st century, and its application to our daily lives takes many forms. One sustainability definition for kids says sustainability refers to using resources in such a way that they will continue to be available in the future.
Temperature - Temperature is a measure of the degree of hotness or coldness of an object. It is actually a measure of the average kinetic energy or speed of the molecules in a substance (air). The more kinetic energy (speed) the molecules have, the higher their temperature and vice versa.
Waste - Waste is defined as unwanted and unusable materials and is regarded as a substance which is of no use. Waste that we see in our surroundings is also known as garbage.
Zoo - A zoo is a place where animals live in captivity and are put on display for people to view. The word “zoo” is short for “zoological park." Zoos benefit conservation not only through direct efforts such as captive breeding, wild survival training and reintroduction, but also in indirect ways.