Our "Science Guy" Jason Lindsey and a kid scientist shows us how by using a thumbtack.
When you inserted the balloon into the empty water bottle, air is trapped inside the bottle. As you attempt to inflate the balloon, the trapped air inside the bottle keeps the balloon from inflating, proving air takes up space. The small holes evenly spaced around the bottom of the other water bottle, allows the trapped air inside the bottle to escape. This allows the balloon to inflate.
Go to www.hookedonscience.org for more experiments that might get you and your family “Hooked on Science.”
Jason Lindsey Hooked on Science
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