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Students answer questions about how the definition of a dinosaur is changing with new scientific evidence.

Students will explore how rising carbon dioxide is threatening a lake food web, and will measure how the environment affects the heart rate of water fleas.

In this activity, students will measure the effect of environmental conditions on the heart rate of water fleas.

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.

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.

In two activities, students can work in groups to play an organism matching game or create their own list of Top 10 science experiences from the semester.

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.