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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. Relies on the the first law - The acceleration of an object is proportional to the force applied (the more force - the more acceleration)

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2. A wave's height - the distance between its resting position and its crest






3. 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






4. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density






5. Known as insulators - In materials that act as insulators - the electrons are held tightly inside their atoms and the electrons cannot move freely - Include plastic - rubber - glass - air - and wood






6. A compound and portable inclined plane - A triangular - shaped tool used to separate two objects or portions of an object - lift an object - or hold an object in place - It functions by converting a force applied to its blunt end into forces perpendi






7. Explains why objects appear bent as light passes from one transparent object into another - Light travels at different speeds through different objects (faster through air than through water or glass) - Responsible for rainbows and for the splitting






8. This is the variable that changes as a result of the manipulated variable. The dependent variable is observed and measured. Examples include determining how long various saltwater solutions take to freeze - and determining the number of cycles a pend






9. In physics and engineering - it means the strength of the gravitational pull on the object (how heavy it is - measured in newtons)






10. For a homogeneous object - density is determined by dividing the mass by the volume (D = M/V) The mass is normally measured with an appropriate scale or balance - The volume may be measured directly (from the geometry of the object) or by the displac






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






12. Major greenhouse gases






13. Opposite process of nuclear fission - Yields energy when very light nuclei unite to a heavier nucleus - Stars (including the sun) derive their energy from nuclear fusion






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






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






16. The portion of the light that crosses the boundary is - however - deflected in another direction - and the ______ does not equal the angle of incidence






17. Formed by the chemical combination of two or more elements in a fixed ratio Example: water






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






19. An electric current also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism - Recent work has united these phenomena - as well as light - into electromagnetic radiation






20. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring






21. When the electrons flow in one direction - the flowing electricity is referred to as current - An electric current is simply a flow of electrons through a wire






22. A source of electric light that works by incandescence - An electric current passes through a thin filament - heating it until it produces light - The enclosing glass bulb prevents the oxygen in the air from reaching the hot filament - which otherwis






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






24. The number of waves produced in a given time






25. 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)






26. A conclusion is a summary and an explanation of the results of an experiment - Does the data support the hypothesis? If not - a new hypothesis can be formed






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






28. Displayed by permanent magnets and around electric currents






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






30. The amount of matter in a chemical substance - In everyday usage - is commonly confused with weight






31. 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






32. If the pressure increases - the volume decreases; the reverse is true as well

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33. Makes it possible for some elements and compounds to transition from a solid to gas phase without becoming a liquid Example: a block of dry ice (CO2) - which will turn into a gas at room temperature






34. 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






35. Involve one substance changing states (not one substance changing into another) - Typically reversible Example: water - Can change from a gas (water vapor) to a liquid (water) to a solid (ice) - but the water molecules do not change






36. 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






37. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms






38. Can multiply force or distance depending on the location of the fulcrum End: Output force Middle: Fulcrum Other end: Input force Examples: seesaws - scissors - pliers






39. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)






40. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)






41. Obtained by two different means - fission and fusion






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






43. 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






44. Transferring of heat by the circulating motion of particles (in liquid or gas) - Occurs when hot air is less dense than cool air and therefore rises - When the heat moves in a circular pattern - convection currents are formed - Heat can be transferre






45. Arranges all of the known elements from left to right and top to bottom in order of increasing atomic number - and they generally coincide with their increasing atomic mass






46. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity






47. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism






48. The branches of natural sciences that study the nature and properties of energy and non - living matter






49. Energy can be neither created nor destroy






50. 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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