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

This guide reviews the Top 10 scientific discoveries from 2017, as reported by Science News, with a focus on key concepts covered across scientific disciplines.

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.

This guide explores stem cells, gene therapy and related topics. Students can also measure the density of skin touch receptors in different areas of the human body.

These discussion prompts cover stem cells, gene therapy and the proteins of the extracellular matrix.

This guide connects the radioactive carbon-14 dating of newly exposed mosses in the Arctic to the bigger story of climate change.

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

These discussion prompts cover the basics of radioactive decay and carbon-14 dating, as well as concepts related to climate change.

Students will search the Science News archive for stories related to frozen mosses, radioactive carbon-14 dating and global warming.

Students will answer questions about how scientists measure the age of newly thawed mosses in the Arctic, and the implications of those scientists' findings.