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






2. A temperature interval of one degree F is an interval of 5/9 of a degree C - The Fahrenheit and Celsius scales coincide at -40






3. Collect Data (results) - Analyze the data to look for patterns or trends - Record measurements and observations during the experiment - Present data in a graph - table - or another form






4. 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






5. 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






6. 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 -






7. 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






8. Expand to fill any available space - a compressible fluid - with its volume determined by the pressure and temperature of the environment






9. The earth's __________ orients the iron needles of navigational compasses






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






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






12. 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






13. 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






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

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






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






18. The number of waves produced in a given time






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






20. Displayed by permanent magnets and around electric currents






21. Heat tends to move from a high - temperature region to a low- temperature region - This heat transfer may occur by the mechanisms of conduction - radiation - and convection






22. 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






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






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






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






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






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






28. 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






29. 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






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






31. 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






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






33. Seems to travel in perfectly straight lines as rays - The direction of a ray changes at the interface between two transparent materials - like air and water






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






35. 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






36. Show the number of molecules or formula units of the reactants and products - Example: nitrous oxide is a colorless - odorless gas that causes mild hysteria when inhaled - hence the name laughing gas; it is prepared by heating ammonium nitrate crysta






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






38. 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






39. 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






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






41. Obtained by two different means - fission and fusion






42. A water - soluble mixture of different dyes extracted from lichens - It is often absorbed onto filter paper






43. 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






44. When foreign substances are dissolved in water it creates a solution - Solutions with a pH of less than 7.0 are said to be acidic - and solutions with a pH greater than 7.0 are said to be basic or alkaline






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






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






47. 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






48. 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






49. Lever - Pulley - Inclined plane - Screw - Wedge - Wheel and axle






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







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