I need science help!!???

Question

Look at this chart and graph.

http://img178.imageshack.us/img178/6484/temperaturexc2.png

http://img178.imageshack.us/img178/6562/temperature1cg7.png

1. During the entire time in Experiment 1, the molecules in the container

A. decreased in average speed

B. increased in thermal energy

C. experienced no change in molecular structure

D. increased in the number of atoms present

2. At which point does water begin changing from solid form to liquid form?

A. 1

B. 2

C. 3

D. 4

Answer 1

Answers

1.B

2.C