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These discussion prompts cover radiant energy coming to and from Earth, the effects of global warming on the land, ocean, atmosphere and on species, and possible methods of averting or adapting to climate change.

This guide introduces students to the basics of battery design, including the chemical reactions involved, and even encourages students to build and test their own batteries.

These questions focus on gravitational waves, gravitational wave detectors and how observing gravitational waves can improve our understanding of the universe.

Students will design, build, test and optmize their own light-based detector for waves (a simple optical seismometer) and will explore how this detector relates to more sophisticated gravitational wave detectors.

Students will generate and observe waves in a clear pan of water, drawing connections between these waves and light and gravitational waves.

These discussion prompts cover the general properties and types of waves, how humans and other animals detect waves, and the design of laboratory wave detectors.

This guide focuses on one big discovery in 2016 (the detection of gravitational waves) and one hot topic (the challenges in developing and embracing self-driving cars).