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1) What is SOLUBILITY? a) the ability to dissolve b) the ability to sink c) the ability to attract a magnet d) the ability to float 2) What does it mean to CLASSIFY? a) to mix together b) to ORGANIZE items based on things they have in common c) the amount of matter in an object d) to see what their next class period is 3) What are the 3 physical states of matter? a) magnetism b) evaporation, condensation, precipitation c) solid, liquid, gas d) sink or float 4) How do you separate SALT from WATER? a) coffee filter b) tweezer c) magnet d) evaporating the water e) sieve/ strainer 5) A simple mixture is... a) 2 or more different substances that can be separated EASILY b) something that can be absorbed in a liquid c) 2 or more different substances that CANNOT be separated easily d) the physical properties of an object 6) If something is LESS DENSE than water, it will... a) Sink b) Float c) Dissolve d) Mix 7) If something is MORE DENSE than water, it will... a) Dissolve b) Mix together c) Sink d) Float 8) Which of these will NOT BE ATTRACTED to a MAGNET? a) Steel b) Iron c) Nickel d) Cobalt e) Aluminum 9) A conductor is an object that... a) LETS energy flow through b) DOES NOT let energy flow through c) can be separated easily d) cannot be separated easily 10) An insulator is an object that... a) cannot be separated easily b) LETS energy flow through c) DOES NOT let energy flow through d) can be separated easily 11) What is GRAVEL? a) b) c) d) 12) Which of these shows a SOLID? a) b) c) d) 13) Which of these shows a LIQUID? a) b) c) d) 14) Which of these shows a GAS? a) b) c) d) 15) Which of these is NOT TRUE about light? a) Light can refract when it goes through water b) Light can reflect when it bounces off the surface of water c) Light travels in a straight line d) Light is absorbed when it hits a mirror 16) A series circuit has... a) TWO or more different pathways for electrons to flow b) ONE pathway for electrons to flow c) a very serious attitude d) never worked 17) A PARALLEL circuit has... a) ONE pathway for electrons to flow b) never worked c) TWO or more different pathways for electrons to flow d) a pizza addiction 18) Which of the following is a POOR (BAD) insulator? a) a copper penny b) a rubber eraser c) an iron nail d) a steel paperclip 19) What are you measuring if you use a TRIPLE BEAM BALANCE? a) mass (grams) b) volume (milliliters) c) gravity (newtons) d) length (centimeters) 20) What happens if one of the light bulbs doesn't work in a SERIES circuit? a) The rest of the circuit DOESN'T work anymore b) The rest of the circuit STILL WORKS 21) What happens if one of the light bulbs in a PARALLEL circuit doesn't work? a) The rest of the circuit DOESN'T work anymore b) The rest of the circuit STILL WORKS 22) What material would be the safest to use as an INSULATOR to cover electrical wires? a) rubber b) aluminum c) steel d) water

Unit #2 Review

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