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






2. The distance between two consecutive points on a wave (crest to crest)






3. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp






4. 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






5. 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






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






7. Scratch hardness - indentation hardness - and rebound hardness






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






9. 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






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






11. A difference between two temperatures or an uncertainty






12. 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






13. 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






14. Hard matter is ______ with soft matter






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






16. 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






17. 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






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






19. Displayed by permanent magnets and around electric currents






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






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






22. The rate of change of velocity with time a = ?v/?t (acceleration = change of velocity/change of time)






23. Characterized by their ability to retain their shape - Relatively incompressible - Melt when heated and vaporize only slightly - All substances become solid if cooled sufficiently Examples: rocks - crystals - wood - feather - ice






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






25. Obtained by two different means - fission and fusion






26. 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)






27. 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






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

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






30. 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






31. 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






32. 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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33. Heat can be converted to motion - and motion can produce heat






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






35. 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






36. The sum of the protons and neutrons gives an ______________ for the element






37. 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






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






39. 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






40. 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






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






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






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






44. 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






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






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






47. 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






48. 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






49. A grooved wheel with a rope or other item wrapped around it - used to change the direction of an applied force - change the amount of force - transmit rotational motion - or realize a mechanical advantage in either a linear or a rotational system of






50. 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







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Can you answer 50 questions in 15 minutes?


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