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






3. 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






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






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






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

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7. 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






8. Energy can be neither created nor destroy






9. Temperature scale named after the German physicist Daniel Gabriel Fahrenheit (1686-1736) - who proposed it in 1724 - On this scale - the freezing point of water is 32






10. 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






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






12. 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






13. The shortest wavelength; red is the longest






14. 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






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






16. 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






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

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






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






20. 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






21. 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






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






23. 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






24. 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






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






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






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






29. Scratch hardness - indentation hardness - and rebound hardness






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






31. Solids - liquids - and gases






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






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






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






35. Mechanical advantage of an inclined plane is the ______________ it spans - The inclined plane allows the same work to be done with a smaller force exerted over a greater distance Example: ramp






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






37. A difference between two temperatures or an uncertainty






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






39. 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






40. 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






41. 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






42. 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






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






44. 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






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






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






47. 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






48. Glass has a higher ___________ than air and the different frequencies of light have different wavelengths (dispersion) - causing them to be refracted at different angles - so that you can see them - The different frequencies correspond to different c






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






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