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.