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CHANGES TO EARTH’S ENVIRONMENT MS. SORN KEY VOCAB 05 QUIZ 10- 15 MINUTES KEY VOCAB 06 PACKET – WORDS 1, 2 1. global warming (adj/n): Continuing rise in the average temperature of Earth’s climate system 2. climate change (adj/n): Long-term change in the prevailing weather patterns. POSITIVE AND NEGATIVE EFFECTS BY HUMAN ACTIVITIES • Humans have made changes to behavior in protect Earth’s resources. • Energy is transferred by conduction, convection, and radiation. Electromagnetic waves interact with different materials by reflecting, refracting, absorbing, and transmitting. • The greenhouse effect keeps Earth at a livable temperature by keeping radiating energy within Earth’s atmosphere. All matter is made of atoms and molecules of atoms. Substances have unique physical and chemical properties including the movement of molecules in response to a change in temperature and phase change. • Chemical reactions occur between substances to form new substances. • Climate is the historical pattern of weather for an area. When aspects of an ecosystem change some organisms will adapt, some will die, some will leave, and new organisms will move into the ecosystem. • A change in the global mean temperature of Earth will effect humans and other organisms in many ways. GLOBAL WARMING VS. GREENHOUSE EFFECT • Global warming refers to the fact that the surface of the Earth is getting hotter. • The greenhouse effect refers to the fact that earth is warmer with an atmosphere than is would be without it. OCEAN ACIDIFICATION • Ocean acidification is the ongoing decrease in the pH of the Earth's oceans, caused by the uptake of carbon dioxide (CO2) from the atmosphere.