Understand that objects have observable properties that can be used to sort them such as size, shape, color and texture. Two of the states of matter are solid and liquid. Solids have definite shapes. Liquids conform to the shape of the container in which they are stored. Recognize that solids and liquids are two states of matter.
Solids have a definite shape, and liquids take the shape of their container.
Things move in different ways, such as straight, zigzag, round and round, back and forth, and fast and slow. Describe the various ways that objects can move, such as in a straight line, zigzag, back and forth, round and round, fast and slow. The way to change the motion of an object is to give it a push or pull. Understand that the way to change the motion of an object is to give it a push or a pull. The harder the push or pull, the greater the change in the motion of the object.