Short answer please.

1. Head injures in contact sports like hockey are a serious concern. Use Pascal's principle to explain why a high stick to one side of the head could cause internal damage on the other side of the head.

2. High rise building design in major cities must take into consideration air flow and prevailing wind directions. Explain why.

3. Explain how water flowing from a faucet can be used to illustrate laminar and turbulent flow.

4.Show an individual drinking from a straw. Use the knowledge you gained throughout this lesson to explain how a straw works when someone drinks from a glass.