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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 search the Science News archive for other stories about the role of fructose.

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

In this activity, students will identify fossils using hand magnifiers or stereomicroscopes, determine which era each fossil is from and how the fossils might have formed over time.

These discussion prompts cover the major groups of dinosaurs and their time on Earth, as well as how we study them today.

From feathers to extinction, there's a lot to learn about dinosaurs in the Science News archive.

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

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.

Students will search the Science News archive for stories related to the powers and perils of smartphone use.