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Pour some water into the plastic container.

Materials: 1) A plastic container 2) A straw 3) A plastic bottle 4) Water. Step 1:. Pour some water into the plastic container. Step 2:. Put the straw into the bottle. Step 3:. Immerse the straw in the water. Step 4:. Press the bottle softly. ?. Question:.

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Pour some water into the plastic container.

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  1. Materials: 1) A plastic container 2) A straw 3) A plastic bottle 4) Water Step 1: Pour some water into the plastic container.

  2. Step 2: Put the straw into the bottle.

  3. Step 3: Immerse the straw in the water.

  4. Step 4: Press the bottle softly.

  5. ? Question: What will happen if we release our hands? Why?

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