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Students will learn more about the enzymatic modification of sugars through hydrolyzing sucrose and to build molecular models of fructose, glucose, sucrose and a common artificial sweetener, sucralose.

These discussion prompts ask students about how isotopes can be used to label and track chemical molecules, and about sugars and the enzymes they interact with.

Students will answer questions based on the Science News article "Small intestine is first stop for fructose."

These discussion prompts cover the pH scale, the solubility of gases, food webs and how organisms react to climate change.

These questions explore past articles about ocean acidification in the Science News archive.

Students will answer questions based on the Science News article "Rising CO2 threatens lake food webs" and an accompanying graph tracking pH.

These discussion prompts encourage students to explore concepts related to gravity and how scientists measure it.

Students will answer questions based on the Science News article "Galileo experiment re-created in space."

These discussion prompts help students gain a better understanding of key vocabulary and concepts covered in the Top 10 articles of 2017.

Students will compare and contrast one of the Top 10 stories of 2017 with an earlier related article from the Science News archive.

Students will read and summarize one of the Top 10 stories of 2017, as reported by Science News.

Students will simulate the exponential radioactive decay and half-life of carbon-14 with pennies and a food coloring/bleach chemical reaction.