Material is any solid, liquid, or gas. For example, objects are materials.
View Lesson on Classification of Materials
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Learning about what things are made of helps us know why toys, buildings, and tools are made the way they are. Knowing the right material to use is very important so that these things work well and last a long time. This is useful for many jobs, like designing homes and building things.
For example, knowing about different colors can help someone make a house look better. Understanding how hard a material is can be important for building strong buildings and making good tools. Learning about materials is important for making all kinds of things we use every day.
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