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Science Vocabulary Puzzle 1

Across
The measurement of how much mass of a substance is contained in a given volume.
Rock that makes up the earths crust.
Facts, figures, and other evidence gathered through observations.
The process of grouping together items that are alike in some ways.
A dark, dense, igneous rock with a fine structure found in oceanic crust.
The study of how organisms interact with each other and their environment.
Down
The ability to work or cause change.
An organism that obtains energy by feeding on other organisms.
All the different populations that live together in a particular area.
The transfer of thermal energy by movement of a fluid.
Process in which sediment is laid down in a new location.
A consumer that obtains energy by eating other animals.
A long period of low precipitation.
The layer of rock that forms Earths outer surface.
To heat a liquid to the point which it changes to gas.