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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.

These discussion prompts cover the basics of chemical catalysts, enzymes as biological catalysts, the energies and physical properties of catalysts, plus related applications.

These discussion prompts cover molecular structures and properties of sugars, proteins and lipids, as well as questions related to the immune system and cancer.

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.

These discussion prompts cover coral reproduction, photosynthesis and respiration, greenhouse gases, fluorescence and how communities can minimize their impacts on reefs.