Across
- 3. organ makes a juices that break down protein into small intestine
- 8. Any product used to benefit organisms or their environment
- 13. A type of graph suited to compare parts to the whole.
- 14. Organs that expand to fill with air
- 15. The basic unit of structure and function in living things
- 16. Bean-shaped organs filter the blood and remove wastes
- 17. The study of the natural world and involves making observations and performing investigations.
- 20. Any condition in an experiment that can be changed.
- 23. A working model
- 25. Trait A characteristic passed from parents to their offspring
- 26. directs all of a cell's activities
- 28. Method the process of objectively establishing facts through testing and experimentation.
- 31. organ makes a juice that breaks large blobs of fat into smaller blobs
- 33. A tool used to measure force.
- 36. a trait that must be contributed by both parents in order to appear in the offspring
- 38. The application of the engineering design process to living things
- 39. A belief or judgment.
- 40. When a measurement is close to the true size.
- 42. An investigation in which all of the conditions are controlled.
Down
- 1. a trait that will appear in the offspring if one of the parents contributes it.
- 2. The part of the experiment used to compare the other groups.
- 4. Body parts that work in pairs to help your body move
- 5. A type of graph suited to compare things or groups of things.
- 6. any device that people use to meet their needs and solve practical problems.
- 7. Several tissues that work together to do a certain job
- 8. Organs that support and protect the body, store minerals, and allow movement.
- 9. Living things
- 10. A type of graph suited to show change over time.
- 11. receives messages from the body, processes the information, and sends instructions to the body
- 12. Organ expands and fills up with urine until it is ready to be released
- 18. Information collected during a scientific investigation.
- 19. the largest organ in the human body. It covers and protects other organs.
- 21. System Organs that work together to do a certain job
- 22. organ mashes food and mixes food with digestive juices.
- 24. Cells of the same type that work together to do a certain job
- 27. Things that are too small to be seen by the human eye alone.
- 29. A Procedure carried out to carefully observe, study, or test something in order to learn more about it.
- 30. standards that help engineers measure how well their design is doing its job.
- 32. Organ that pumps blood through the body
- 34. is used to represent something real that is too big, too small, or too complicated
- 35. A tool used to measure mass.
- 37. the process of designing and testing new technologies
- 41. Membrane Surrounds the cell and controls what goes in and out of the cell