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

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






3. Displayed by permanent magnets and around electric currents






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






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






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






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






8. 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






9. A compressed gas pushes out __________ in all directions






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






11. 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






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






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

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






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






17. A natural phenomenon by which objects with mass attract one another - Compels dispersed matter to coalesce - and thus it accounts for the very existence of the earth - the sun - and most of the macroscopic objects in the universe - Responsible for ke






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






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






20. 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






21. 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






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






23. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts






24. A hypothesis is an attempt to answer the question or predict the outcome - - A hypothesis is a possible explanation for a set of observations






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






26. 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






27. 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






28. A measure of the acidity or basicity of a solution - The ____ scale is not an absolute scale; it is relative to a set of standard solutions whose pH is established by international agreement - these measurements are important for medicine - biology -






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. 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)






31. Solids - liquids - and gases






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






33. A degree on the Fahrenheit scale is 1/180th of the interval between the __________ and boiling point






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






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






36. Are inclined planes - Can convert a rotational force (torque) to a linear force - and vice versa - The ratio of threading determines the mechanical advantage of the machine - More threading increases the mechanical advantage






37. 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)






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






39. 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






40. The shortest wavelength; red is the longest






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






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






43. Account for 17 elements in the periodic table - Lack the properties of metals but are very common - Include oxygen - nitrogen - and carbon - 7 metalloid elements - and 7 gases - Poor conductors of electricity






44. Obtained by two different means - fission and fusion






45. A rigid object that is used with an appropriate fulcrum or pivot point to multiply the mechanical force that can be applied to another object - Examples: wheelbarrow (the wheel works as the fulcrum) - scissors (the fulcrum is where the blades cross)






46. 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






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






48. 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






49. 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






50. A flat surface whose endpoints are at different heights - resulting in a slope - By moving an object up an ___________ rather than completely vertically - the amount of force required is reduced - at the expense of increasing the distance the object