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Questions based on the Science News article "Fatal fix" ask students about the effects of opioids and to analyze a graph of overdose deaths.

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.

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.

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.

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.