1. Activity 3.6A
a. Arrows point inward toward the space between the balls.
b. 'X' is labeled in the space between the two ping-pong balls.
c. 'H' is labeled on the outer sides of each ball, away from the center. 'L' is labeled in the space between the two balls.
d. increases, decreases
2. Activity 3.6B
a. 'X' is labeled at the top opening of the vertical tube, where air is flowing horizontally across it.
b. 'H' is labeled at the surface of the liquid in the container and inside the vertical tube below the air flow. 'L' is labeled at the top opening of the vertical tube, just below the moving air stream.
c. increases, decreases
Parent Tip: Review the logic above to help your child master the concept of bernoulli s principle worksheet.