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

In this two-part activity, students will complete a few simple light polarization exercises to model LCD technology and then demonstrate how a smartphone app analyzes and utilizes data to perform a specific function.

These discussion prompts ask students to describe how various smartphone sensors work, and analyze three graphs related to data gathered by such sensors.

Students will answer questions about how smartphone apps could be used to spy on people and how such spying might be prevented.

Students will determine if an object's composition and the height at which can object is dropped affects its gravitational acceleration.

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

Use this short section to explore and compare other articles about measurements of the equivalence principle as reported by Science News since 1924.

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.