STEP 1
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Collect a variety of items from around your home. Look for objects made of different materials and shapes.

STEP 2
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Fill your beaker or clear container with water. Make sure there's enough to fully submerge the items and start adding an item into it.

STEP 3
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Before placing each item in the water, make predictions. Do you think it will sink or float? Then, one by one, carefully put each item into the water and observe what happens.

STEP 4
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Try with your little one by helping them place the remaining items into the water.

Tip

Try making multiple paper rattles with variations in size, amount of beads, or decorations. Compare how these factors influence the sound produced.