NASA Activities (source) for Bernoulli’s Principle
Tent with a Straw
Fold a 20- by 13-cm piece of paper in half to make a tent.
Place the paper tent on the desk.
Using a straw, blow under the tent and observe what happens.
Blow harder and observe what happens.
Try blowing hard against the side of the tent and observe what happens.
Blow up two balloons and tie off the ends.
Cut two pieces of string 30 cm each.
Tie one end of each string to each balloon.
Hold the balloons in front of you by the strings about 5 cm apart.
Blow very hard between the two balloons and observe what happens.
What did the balloons do?
Place two ping pong balls on a table about 2 cm apart.
Using a straw, blow very hard between the two balls and observe what happens.
Did the balls move closer together or farther apart?
Hold two pieces of notebook paper in front of you about 5 cm apart.
Blow hard between the papers and observe what happens.
Which way did the papers move?
Stuck to It
Cut out a square of paper approximately 3 by 3 cm.
Place the paper in the palm of your hand, and using your thumb and middle finger, hold a quarter (or
nickel) about 1 cm above the paper.
Place your mouth above the coin and blow hard.
Observes what happens.
Ball and Straw
Bend a flexible straw so that the short end is pointing up.
Hold a ping pong ball over the opening of the straw and blow.
Let go of the ball and observe what happens.
What happens if you tilt the straw?