Answer:Understanding matter is crucial in science because everything around us is made of it, and it exists in different states . Learning about matter helps us make sense of the materials and changes in the world . Here's why it's important: Everything is Matter: Matter has mass and occupies space; therefore, everything we can touch and see is matter . Understanding Properties: Knowing the states of matter (solid, liquid, gas) helps scientists study its properties further . It's critical to understand the properties of materials we use and manipulate . Practical Applications: Materials science explores the properties of substances, making them useful in various applications .