Which one floats? Why?, The key floats because it’s heavy., The stone floats because it has air inside., The paper boat floats because it’s light., The spoon floats because it’s light., Does plastic bottle sink or float? Why?, The plastic bottle sinks because it has air inside., The plastic bottle sinks because it’s heavy, The plastic bottle floats because it doesn’t have air inside., The plastic bottle floats because it’s light and it has air inside., Does the eraser sink or float? Why?, The eraser sinks because it’s heavy., The eraser sinks because it’s light, The eraser floats because it doesn't have air inside., The eraser floats because it has air inside., Do the leaf and spoon sink or float?, The leaf and spoon sink., The leaf and spoon float, The leaf floats and the spoon sinks., The leaf sinks and the spoon floats., Which one is sink and why?, The leaf sinks because it's heavy, The stone sinks because it's heavy, The bottle sinks because it has air inside, The ball sinks because it's light.

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