Lithosphere Crossword Puzzle

QUESTIONS LIST:

• lithosphere : the solid outer layer of the earth.
• soil : part of lithosphere essential for plant growth.
• mining : process of taking raw material (ore) out of the ground.
• ore : the material mined from the ground, contains the desired mineral.
• minerals : material contained within the ore, which has value (eg. gold, lithium)
• critical : type of mineral essential for modern technology, clean energy and supply chain (eg. lithium cobalt)
• permafrost : soil layer that has been frozen for 2 consecutive years.
• greenhouse gas : released from melting permafrost. form of air pollution that increases greenhouse effect.
• greenhouse effect : natural process that traps some of the sun's energy on earth.
• methane : strong greenhouse gas released by melting permafrost and decomposition.
• fossil : cost effective form of energy, but creates a lot of ghg
• geothermal : type of energy created by the heat of the earth.
• nuclear : costly, but extremely efficient form of energy that does not release ghg
• uranium : mineral used to generate nuclear energy.