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The very first stage of Piaget's cognitive development theory, where infants begin to adapt their reflexes, as they interact with the objects and environment around them. This stage begins at birth, and progresses to age 2. During this stage, infants will progress to wanting to do anything and everything to an object, and once reaching 9-12 months, develop object permanence. As seen in the video below, I (Reed) am pretending to be an infant in this stage, I realize that this thing is a new object, and I am using my 5 senses to see what it is, and does.

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This is Piaget's second stage in his cognitive development theory. This stage begins around 2, as children start to talk, and lasts until around age 7. During this children begin to engage in symbolic play and learn to manipulate symbols. In this clip I (mayah) am realizing that what i'm holding is a water bottle. I have realized what the object is and can recognize it, in this container. I realize that it is water every time I see it.

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The concrete operational stage of development is the stage in which a child can perform a large range of mental operations. This stage starts at age 7 and ends around age 11. They gain conservation skills and empathy. This video represents the knowledge of conservation skills, knowing that there is more in a bigger container if they were both full. This is also when they would be able to tell if there were more of something in a smaller container.

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the final stage is Formal operations  stage begins at approximately age 11 and lasts into adulthood. During this time, they develop the ability to think about abstract concepts. Skills such as logical thought, deductive reasoning, and systematic planning also emerge during this stage. the abstract concept deciding if the bottle was half full or half empty i (lena) hold the bottle showing the level of the water left.