Q3.W3.D4: Homework

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Across
  1. 3. - The powerhouse of the cell; tiny parts inside a cell that turn food into the energy the cell needs to work
  2. 4. - the giant pieces of the Earth’s crust (tectonic plates) that shift and move
  3. 8. - the set of instructions you follow in order to complete a task or an experiment correctly
  4. 9. - a solid that forms and falls out of a liquid during a reaction
  5. 10. - how a living thing keeps its internal environment stable
  6. 11. - when wind, water, or ice drop rocks or soil in a new place
  7. 12. - a group of stars that form a recognizable pattern or shape in the sky
Down
  1. 1. - a close relationship between two different species where at least one of them gets something they need to survive
  2. 2. - the layer of gases that surrounds the Earth, held in place by gravity
  3. 5. - when a gas (like water vapor) cools off and turns back into a liquid
  4. 6. - the process by which living things produce "offspring" (babies or new plants)
  5. 7. - an instrument used to measure air pressure, which helps scientists predict if the weather