1) Objects around us are made of different ... which have various properties a) size b) shape c) materials 2) When materials interact with heat, light, electricity, or are mixed, ... can take place a) changes b) materials c) fix 3) ... is the continous movement of water from the Earth, to the sky, and back to the Earth a) watercycle b) watermelon c) bicycle 4) We feel warm when ... is transferred from a  hot object or a burning material to our body a) cold b) heat c) stove 5) Plants are able to make their own food through a process called ...  a) Photography b) Photographer c) Photosynthesis 6) An ... consists of all the organism living together in an area and their interactions with one another and with their environment a) Habitat b) Organization c) Ecosystem

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