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A matter of change.pdf
by the north star.pdf
changes in matter 2.pdf
changes to the Earth .pdf
changes to the land .pdf
changing shapes.pdf
easy does it.pdf
Energy.pdf
helping our world.pdf
life cycles.pdf
matter matters.pdf
Motioon .pdf
on the move.pdf
pattern in the sky.pdf
skypattern.pdf
states of matter.pdf
the hidden energy in plants.pdf
too small to see.pdf
what are light and heat.pdf
What are some life cycles.pdf