Earth and Materials Crossword Puzzle

QUESTIONS LIST: crust : part of the earth that we walk on, sedimentary : specific type of rock that form by smaller bits of other rocks get stuck together, porous : a type of rock that absorbs water, nitrogen : what are 1 of the earths main gases in the atmosphere?, photosynthesis : a way carbon dioxide is removed from the atmosphere, core : part of the earth that is solid metal, fossil fuels : reason for carbon dioxide increasing in the atmosphere, tectonic plates : the reason the crust moves, igneous : the action of liquid rock solidifying is called, water vapour : gas that can be found in the atmosphere.