Part 1 1. What type of heat transfer is demonstrated in Part 1?
2. How long did it take for the butter to melt off of the plastic fork? The metal fork?
3. How do explain the difference in time between the two forks?
Part 2
1. What type of heat transfer is demonstrated in Part 2?
2. What happened when the warm water bottle was placed over the cold water bottle? Why?
3. What happened when the cold water bottle was placed over the warm water bottle? Why?

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.