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Materials: 1) A plastic container2) A straw 3) A plastic bottle4) 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:. - PowerPoint PPT Presentation
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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:
Put the straw into the bottle.
Step 2:
Immerse the straw in the water.
Step 3:
Press the bottle softly.
Step 4:
What will happen if we release our hands? Why?
Question:
?