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CSET Physical Science 3

Subjects : cset, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A degree on the Fahrenheit scale is 1/180th of the interval between the __________ and boiling point






2. Resistance to plastic (permanent) deformation due to a constant load from a sharp object






3. For smooth surfaces - the angle at which light is incident on the surface equals the angle at which it is reflected






4. For every action (applied force) - there is an equal and opposite reaction

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5. Composed of only one atom and cannot be separated into different substances except in some instances by radioactive decay or by nuclear reactions






6. The ratio of the output to the input force - Also called leverage - Results in less force applied over a greater distance - Helps to make work easier






7. Top: Output force (resistance) Middle: Input force (effort) End: Fulcrum Examples: baseball bat - fishing pole - shovel






8. Elements with similar properties fall into the same vertical columns on the preriodic table to form _____ - Properties of elements change greatly across any one row (period)






9. The north pole of one magnet attracts the ___________ of another - but like poles repel each other - Either pole can attract unmagnetized iron objects






10. This is the one factor that will be intentionally changed during the experiment. Examples include changing the amount of salt that is added to water to determine its freezing point; introducing different soil types in germinating seeds; and changing






11. Symbol: Fe Protons: 26 Neutrons: 30 Mass 56






12. Protons have a __________ electrical charge - and neutrons have no charge






13. Salt has a ___________ than water and therefore doesn't evaporate with the water






14. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes






15. Rates minerals and puts them on a scale from 1 to 10 (1 is the softest and 10 is the hardest) determined by the ability of a harder mineral to scratch a softer mineral - Talc is at 1 and diamond is at 10

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16. The particular state of water is determined by ___________ - the behavior of water at one atmosphere (sea level) - freezing at 0






17. Energy taken from finite resources that will eventually dwindle - becoming too expensive or too environmentally damaging to retrieve - Fossil fuels include coal - petroleum - and natural gas - Fossil fuels are limited and nonrenewable and contribute






18. Major greenhouse gases






19. Kinetic energy: energy possessed by a moving object - An object in an unstable position has potential energy - for the position could be converted into movement Example: a baseball thrown vertically upward






20. A form of energy that can be used to produce sound - light - heat - and power - it exists where the number of negative electrons does not precisely equal the number of positive protons - Electrons are held in the atom by an electrical force and have






21. Symbol: C Protons: 6 Neutrons: 6 Mass: 12






22. The beginning of scientific wisdom - The physicist's first reaction to a new idea is to ask: Can it be measured? Can I describe it with numbers?






23. The rate of change of velocity with time a = ?v/?t (acceleration = change of velocity/change of time)






24. The path or circuit an electric current flows - Electricity requires a complete path for the electrons to flow - If the path is broken and there are not alternative paths for the electrons to follow - the electrons will not move - make it possible fo






25. The pitch of a sound depends on how fast the particles of a medium vibrate






26. As of 2006 - the table contains _____ chemical elements whose discoveries have been confirmed - 94 are naturally found on the earth - and the rest are synthetic elements that have been produced artificially in particle accelerators






27. Designed to separate substances in a liquid through vaporization - Usually carried out in an apparatus called a still - which requires a boiler - a condenser - and a receiver Example: Purify ocean water






28. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)






29. Electricity flows easily through materials that conduct electricity - Include metals such as aluminum (Al) - iron (Fe) - nickel (Ni) - silver (Ag) - and gold (Au)






30. Some gases can transition directly to a solid Example: the formation of frost






31. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration






32. The terms gravitation and gravity are mostly interchangeable in everyday use - refers specifically to the gravitational force exerted by the earth on objects in its vicinity






33. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs






34. Height of the bounce of an object dropped o the material - related to elasticity






35. Transition of heat through a medium - From a region of higher temperature to a region of lower temperature - Heat energy is transferred from one material to another by direct contact - Metals are good conductors of heat






36. Example of chemical change - Iron chemically reacts with air and water to form rust (ferrous oxide) and is unable to change back to iron






37. List the specific materials to be used in the experiment - This allows for replication of the experiment






38. Move around the nucleus in electron clouds - have a negative charge - and they are attracted to the positively charged protons in the nucleus - This attraction keeps the electrons in orbit around the nucleus






39. The number of protons of that element - No two elements have the same atomic number - Elements in the periodic table are arranged in order of increasing atomic number






40. In each element's square - the ________ is in the middle - the atomic weight is usually directly below the symbol - the atomic number is usually shown at the top of the square






41. The law of inertia - Without outside forces (such as gravity or friction) - an object at rest will remain at rest - while an object in motion will never stop or deviate from its course

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42. Refers to various properties of matter in the solid phase that give it a high resistance to its shape changing when force is applied






43. After a rainstorm - the air is full of tiny drops of water - Each drop acts as a prism - splitting the light into the colors of the spectrum






44. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object






45. Symbol: O Protons: 8 Neutrons: 8 Mass: 16






46. However - a fluorescent lamp converts electrical power into useful light more __________ than an incandescent lamp; lower energy costs offset the higher initial cost of the lamp






47. The burning of coal also contributes to the formation of...






48. A grooved wheel with a rope or other item wrapped around it - used to change the direction of an applied force - change the amount of force - transmit rotational motion - or realize a mechanical advantage in either a linear or a rotational system of






49. The shortest wavelength; red is the longest






50. Symbol: U Protons: 92 Neutrons: 146 Mass: 238







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Can you answer 50 questions in 15 minutes?


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