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Science 7 Terms

Across
the transfer of energy between objects that are touching;
a model that describes how water molecules move among Earth’s ecosystems and atmosphere
the process of determining the approximate age of a rock, fossil, or event
an organism that mainly eats animals
anything that has mass and volume
an organism that captures energy and matter from its surroundings to produce sugars and other molecules
Down
a green pigment that is important in photosynthesis
an individual particle of an element
the removal of rock material by wind, water, ice, or gravity
the connection between atoms in more complex particles
the parts of Earth in which organisms are able to live
a model that shows feeding relationships between organisms in an ecosystem