Revisit INVESTIGATIVE
PHENOMENON
GO ONLINE to Elaborate and Evaluate your
design of an experiment to show conservation of
mass in the reaction of baking soda and vinegar.
21 Construct an Explanation How does a forest fire model the energy
flow of fuel combustion? Explain.

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.

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

The three types is stress that act on earths rocks are compression, tension, and