Matter can change in many ____ ways! Sometimes the change can be ____. Sometimes the change ____ be undone. Think about liquid water! You can ____ the water to change it to an ice cube. You can also heat the liquid water to turn it into a gas call ____. These are examples of ways that we change matter everyday. Let's think of some changes that cannot be ____ If you ____ a banana, or ____ a piece of paper - you cannot put it together again. Other changes are ____, meaning they can be undone. If you fold a paper in half you ____ undo this change. If you use a ball of clay to form an animal, you can ____ the shape back into a ball.

Observe Changes in Matter

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