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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. Results when electrical charges buildup or increase on the surface of a material - here - there is no current flowing as would be found in electrical outlets - When certain materials are rubbed together - electrons can move from one object to the oth






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






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






4. Form a question (state the problem) - A scientific question is one that can be answered on the basis of evidence and that can be measured - The question often asks - 'What effect will something have






5. Anything that has mass and occupies space - Everything you see and touch is composed of matter






6. Turns red under acidic conditions - and turns blue under basic (i.e. - alkaline) conditions






7. Metals account for the vast majority of the elements in the periodic table - Show a wide range of chemical and physical properties - Most metals are good conductors of heat and electricity - and some - like iron and cobalt - are magnetic - Many metal






8. A change of one substance into a different substance - Occurs whenever compounds are formed or decomposed - During this reaction - there is a rearrangement of atoms that makes or breaks chemical bonds - This change is usually not reversible - unlike






9. Heat can be converted to motion - and motion can produce heat






10. 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






11. 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






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






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






14. Symbol: H Protons: 1 Neutrons: 0 Mass: 1






15. 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)






16. These are the factors that are kept exactly the same in an experiment. In an experiment on plant growth - the variables could include amount of sunlight - type of soil - amount of water - and type of plant. Only one factor at a time is changed - whil






17. Some of the light is reflected - the angle of reflection being equal to the...






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






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

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






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






22. The top of a wave's 'hill'






23. 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






24. Symbol: He Protons: 2 Neutrons: 2 Mass: 4






25. Other indicators of the ________ of an acid are that when acids react with metals - hydrogen gas is released causing bases to feel soapy when touched






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






27. A mechanical device that changes the direction or magnitude of a force - The simplest mechanisms that use mechanical advantage to multiply force - Uses a single applied force to do work against a single load force






28. A compound composed of one atom of sodium and one atom of chlorine (NaCl - sodium chloride)






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






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






31. 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






32. State the specific plan on how to test the hypothesis - Create a written - step - by - step procedure - Determine the variables (any factor that can change in an experiment)






33. Atoms are made up of several tiny parts - At the center of an atom is a core called the __________ - which is made up of particles called protons and neutrons






34. Temperature scale -0






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






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






37. 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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38. A compressed gas pushes out __________ in all directions






39. 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






40. 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






41. 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






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






43. 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






44. Multiply force but do not change the direction of the input force End: Fulcrum Middle: Output force Other end: Input force Examples: wheelbarrows - baby strollers - bottle openers






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






46. Energy can be neither created nor destroy






47. As temperature increases (at a fixed pressure) - so does volume Examples: air - helium - steam

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






49. 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






50. Made up of molecules with the composition H20 - One _____ molecule is built from two atoms of hydrogen and one atom of oxygen







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Can you answer 50 questions in 15 minutes?


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