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Science Final Exam
5 Written Questions
5 Matching Questions
- Nuclear fusion
- Electron Cloud
- a The amount of matter in an object.
- b A process in which two atomic nuclei with low masses are fused into a single nucleus of larger mass; also known as a thermonuclear reaction
- c The region where electrons are most probably found. It surrounds the nucleus of an atom.
- d When a solvent has dissolved all the solute it can normally hold at a specific temperature.
- e Gradual change of a substance from a liquid to a gas at a temperature below its boiling point
5 Multiple Choice Questions
- Electricity produced by the energy of moving water
- Energy produced by the rise and fall of ocean levels; used to generate electricity
- A change that produces a new substance; example: burning a piece of paper
- Almost all the mass of an atom is located in this center of an atom; contains protons and neutrons
- Resources such as coal, oil, and natural gas which cannot be replaced after they have been used
5 True/False Questions
Solute → Substance being dissolved in a solvent
Oxidation Number → A positive or negative number indicating how many electrons an atom has lost, gained, or shared when bonding with other atoms
Crystal → Thing that remains the same (beaker, amount of water,etc.)
KMT → All matter is made of up of particles that are in constant motion.
Filtration → A technique used to separate substances of different densities