How does the heat curve demonstrate what happened in the glass? A) the ice got harder as the temperature increased
B) the ice melted when the temperature decreased
C) the ice melted as the temperature increased

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 is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?