1. Chemical A was white and powdery corn starch. Chemical B was a liquid that had yellow coloring.
2. It was a physical change since the powder and the liquid turned into solid/liquid goo.
3. I think it had both properties of liquid and solid. When it was on the table, it was hard and dry. However, when I picked it up to inspect it started to drift down much like a liquid. The oobleck did not bounce nor stay in a ball shape.
4. The oobleck was 2 states of matter at the same time. I learned about how an object can have both properties of solif and liquid