Across
- 3. helps with homeostasis; examples are endocrine and thyroid glands
- 6. this scientist is responsible for seeing cork cells under a microscope
- 7. a structure that has RNA, but not DNA
- 8. a tool that gives consistent and accurate readings
- 11. a method for investigating a question/observation
- 13. cells that have specific jobs like white blood cells
- 14. a atom on the periodic table that is repesented by a letter or pair of letters
- 16. a compound that contains Carbon
- 17. tissue that protects organs and organ systems
- 18. contains uracil, adenine, cytosine, guanine
- 20. a chemical formula that has the same number of elements on both sides
- 22. found in animal and plant cells (and bacteria); synthesize proteins
- 23. a testable statement made after observation
- 25. a variable that is affected by what is being tested
- 26. contains adenine, cytosine, guanine, thymine
- 27. a reaction that can be undone; the substance is the same
- 28. tissue that support the structure and framework for organs and organ systems
Down
- 1. produces energy from Sun
- 2. eating foods gives us this biomolecule
- 4. a variable that is testing something
- 5. these blood cells form vacuoles around foreign bodies
- 9. an inorganic compound that has 2 of the same molecules together (Br2)
- 10. a reaction that cannot be undone; a new substance is formed
- 12. an element or compound that does not contain Carbon
- 15. a tool that gives consisent readings
- 19. this scientist was the first to see living cells under a microscope
- 21. produces energy from food
- 24. an example are white blood cells removing foreign bodies