1. Markings to indicate length are placed on a steel tape in a room that is at a temperature of 22^oC. Measurements are then made with the same tape on a day when the temperature is 27 ^oC.

Are the measurements: too long, too short, or accurate?

Explain your reasoning.

2. When food is cooked in a pressure cooker,

a. why is it very important to cool the container with cold water before attempting to remove the lid? Explain your reasoning.

b. would you dare to place your bare hand about 1 foot above the steam coming out of the cooker's vent pipe? Why, or why not?

c. would you dare to place your bare hand about 1 inch above the steam coming out of the cooker's vent pipe? Why, or why not?

Paragraph Styles Font 3) You attempt to open a jar of food preserve, but don't succeed. A friend invites you to his close-by lab where he has available dry ice and a Bunsen burner. Which one would you choose and why? lictions On Accessibility: Unavailable 10 Focus O W 24OF Mos X C F5 F6 F7 F8 F9 F10 F11 & 5 6 8 9 R T Y U O P