2. You test the pH of your first hot tub's water. You discover that its pH is 8.1. Is the water too acidic or too basic? How could this pH harm the hot tub and the people in it? (4 points)

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus