SSA Review

5. The part of a plant cell where photosynthesis takes place
7. Smallest particle found inside an atom, has a negative charge
9. This property can be used to identify an unknown substance
11. The law of conservation of energy says that energy can't be _____ or destroyed
12. The trait that will be expressed if the genotype is LL or Ll
15. A group of cells working together
16. Caused by the Earth's tilted axis and revolution around the sun
19. An example of these would be a mitochondria, nucleus, or vacuole
21. A well-tested explanation of a scientific idea
22. Cellular respiration creates ______ dioxide as a waste product
25. When a scientist repeats measurements as multiple trials
26. The trait that will be expressed if the genotype is bb

1. The layer of the Earth where the plates are found
2. When once space object blocks another in space
3. A push or pull on an object
4. When another scientist tries to repeat another's experiment
6. A type of mechanical wave that can't travel through empty space
8. The variable changed during an experiment
10. Forms when air flows from high to low pressure
11. How heat transfers from direct contact with a solid
13. An organism that reproduces ______ makes an identical copy of itself as offspring
14. The layer of the Earth where convection causes the Earth's plates to move
17. Can be a solution, suspension, or colloid
18. The number of these is the same as an element's atomic number
20. An explanation of what or how has happened (example, Plate tectonics, Gravity)
23. The smallest unit of matter that cannot be divided
24. The variable that is measured during an experiment