Physical objects are tangible items that occupy space and can be perceived through the senses. They can be solid, liquid, or gas, and include everything from everyday items like books and chairs to natural elements like rocks and water. Physical objects have mass and volume, which means they can be weighed and measured. These objects can be classified into various categories, such as living and non-living things. Living objects include plants and animals, while non-living objects encompass furniture, vehicles, and electronics. Understanding physical objects helps us interact with the world around us effectively.