1) Half Sheet: THINK PAIR SHARESnakes are cold blooded. Snakes maintain homeostasis by using the environment to supplement their body heat. They must be kept in a warm environment because they use the heat from the environment to maintain homeostasis.

2) Worksheet #63) QUIZ #4

Videotape Today’s Lesson

• 1) Videotape our Thinking Routines and put on YouTube• 2) E-mail it to Mr. Carlson at

Chris.Carlson@hvs.org• 3) Worth 10 points extra credit

ISOMERS

Video

QUIZ #41) When salt is added to an icy sidewalk during

the winter what effect does the salt have on the freezing point of the water?

2) An isomer of butane would have how many carbon atoms?

3) Which of the following is NOT a large organic biological molecule?A. proteins B. starchesC. DNA D. isomers