Directions: classify the changes listed below as either physical or chemical and explain your reasoning. on the reverse side of this paper, provide two additional examples of physical changes and two additional examples of chemical changes while also explaining your reasoning.

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Sugar is dissolved in water. which is the solute? sugar neither both water

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.