Things
Things are the objects that make up the world around us. They can be anything from a grain of sand to a galaxy. Things have properties, such as size, shape, color, and weight. They can also be classified into different categories, such as living things and non-living things.
Living Things
Living things are organisms that are capable of growth, reproduction, and response to their environment. They include plants, animals, fungi, and bacteria. Living things need food, water, and oxygen to survive. They also need a place to live that is suitable for their needs.
Non-Living Things
Non-living things are objects that are not capable of growth, reproduction, or response to their environment. They include rocks, minerals, water, and air. Non-living things do not need food, water, or oxygen to survive. They can exist in a wide variety of environments.
Properties of Things
Things have a variety of properties, including:
- Size: The size of an object is its physical extent. It can be measured in terms of length, width, and height.
- Shape: The shape of an object is its outline or form. It can be described using geometric terms, such as square, circle, or triangle.
- Color: The color of an object is the way it reflects light. It can be described using terms such as red, blue, or green.
- Weight: The weight of an object is the force of gravity acting on it. It can be measured in terms of pounds, kilograms, or grams.
Classification of Things
Things can be classified into different categories, including:
- Living things: Living things are organisms that are capable of growth, reproduction, and response to their environment. They include plants, animals, fungi, and bacteria.
- Non-living things: Non-living things are objects that are not capable of growth, reproduction, or response to their environment. They include rocks, minerals, water, and air.
- Natural things: Natural things are objects that occur naturally in the environment. They include plants, animals, rocks, and minerals.
- Man-made things: Man-made things are objects that are created by humans. They include buildings, cars, and computers.
Useful Sites and Related Files
- The National Geographic Society
- The Smithsonian Institution
- The American Museum of Natural History
- The Field Museum of Natural History
- The California Academy of Sciences
- The Natural History Museum of London
- The Musée National d’Histoire Naturelle
- The Museum für Naturkunde Berlin
- The American Association for the Advancement of Science
- The National Academy of Sciences
- The Royal Society