Density Make a prediction and test each object to determine if it will sink or float in water.

The golf ball will sink

The plastic Turtle will float

The seashell will sink

The pencil will float.

Explanation:

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the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).