Mysterious land
What is large sheet of ice that moves slowly across the land?
glacier
What is sudden movement of rocks and soil down a slope?
landslide
What is complete trip around an object in a circular or nearly circular path?
revolution
What is nonliving substances found in nature?
Minerals
What is a species is in danger of becoming extinct?
endangered
What is process of weathered rock moving from one place to another?
erosion
What is path an object takes as it travels around another object?
orbit
What is large region of air that has a similar temperature and humidity?
air mass
What is hot melted rock found in Earth's mantle?
molten rock
What is harmful rain caused by the burning of fossil fuels?
Acid rain
What is dropping off of eroded soil and bits of rock?
deposition
What is removal of trees from a large area?
deforestation
What is average weather pattern of a region over time?
climate
What is meteor that strikes Earth's surface?
meteorite
What is sometimes harmful rapid increase in the amount of algae found in water?
algal bloom
What is near a body of water that is likely to flood?
floodplains
What is act of saving, protecting, or using resources wisely?
conserve
What is condition of the atmosphere at a given place and time?
weather
What is water stored in the cracks and spaces between particles of soil and underground rocks?
Groundwater
What is a species has died out completely?
extinct
What is area where molten rock from within the mantle rises close to Earth's surface?
hot spots
What is opening in Earth’s surface where melted rock or gases are forced out?
volcano
What is apparent shapes of the Moon in the sky?
moon phases
What is chunk of rock from space that travels through Earth’s atmosphere?
meteor
What is path that energy and nutrients follow among living things in an ecosystem?
Food chains