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Vocabulary test-fourth grade Scientific Method/Cells

Across
A living thing that carries out basic live functions on its own
A statement that can be tested using the scientific method
The smallest unit of living matter
A group of similar cells that work together to carry out a job
An organized process that scientists use to answer questions
Down
Something that can be changes or controlled in an experiment
A gas found in air and water that plants and animals need to live
A group of organs that work together to carry out a life function
A test designed to support or disprove a hypothesis
A group of tissues that work together to do a certain job