Science Crossword

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Across
  1. 1. The study of the earth's surface, including its landforms, climate, resources, and human populations.
  2. 5. The gradual process by which different kinds of living organisms develop and diversify from earlier forms through natural selection.
  3. 7. The branch of physics that deals with the relationships between heat, energy, and work.
  4. 8. The branch of biology that deals with the relationships between living organisms and their environment.
Down
  1. 2. The branch of science that deals with the properties of matter and energy and the interactions between them.
  2. 3. The variety of life in the world or in a particular habitat, a measure of the health of biological systems.
  3. 4. The process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose.
  4. 6. The study of the structure and organization of living things.