1) __________ anything that takes up space and has mass. a) Matter b) Mass c) Density d) Melting point 2) The amount of matter in something measured in grams. a) Matter b) Mass c) Density d) Melting Point 3) If it sinks or floats. a) Matter b) Mass c) Density d) Melting Point 4) Material that allows heat and electrical energy to easily flow through it. a) Matter b) Mass c) Insulator d) Conductor 5) Boiling Point a) 100 degrees Celsius b) 0 degrees Celsius c) 100 degrees Fahrenheit d) 0 degrees Fahrenheit 6) Physical Change in matter from a gas to a liquid a) Evaporation b) Melting Point c) Condensation d) Freezing Point 7) Physical State a) Solid b) Liquid c) Gas d) All of the above 8) A combination of two or more substances where each keeps its own properties and both can be easily separated a) mixture b) solution c) physical change d) dissolve 9) Small rocks or pebbles a) dirt b) gravel c) sand d) marbles 10) Retain a) change b) maintain-stay the same c) equal 11) Energy that can be measured by a thermometer a) Thermal b) Electrical c) Mechanical d) Sound 12) Energy produced by a machine or a moving part a) Thermal b) Electrical c) Mechanical d) Sound 13) Spread out evenly in a liquid a) melt b) freeze c) density d) dissolve 14) Physical change in matter from a liquid to a gas. a) Condensation b) Evaporation c) Freezing Point d) Boiling Point 15) Material through which heat or electricity does not easily flow. a) Volume b) Insulator c) Conductor d) Solubility 16) A factor that can change(different) in an experiment a) data b) hypothesis c) variable d) constant 17) Pieces of information a) hypothesis b) data c) variable d) constant 18) Group together based on similar traits a) data b) properties c) matter d) classify 19) Iron nail, copper wire, and battery can be used to make? a) switch b) electromagnet c) battery d) insulator 20) Which is the main source of energy on Earth? a) Sun b) Wood c) Oil d) Coal 21) A movement to cause a fragrance to be carried in the air a) waving b) wind c) wafting 22) To spread evenly in a liquid a) mix b) solubilty c) density 23) What is this tool? a) sift b) filter c) tweezers 24) What is this tool? a) filter b) sieve c) funnel d) tweezer 25) When water is boiling, water begins to a) turn to ice b) evaporate c) dissolve d) melt 26) When salt dissolves in water, it forms a solution. a) True b) False 27) Which mixture can be separated using a filter? a) sand and iron filings b) pepper and water c) saltwater 28) A student observed that sugar in hot water dissolved more quickly than in cold water. The student was investigating the effects of what form of energy? a) Thermal b) Light c) Sound d) Electrical 29) What is a circuit that is working called? a) working circuit b) full curcuit c) incomplete circuit d) complete circuit 30) A great conductor of energy is: a) wood b) plastic c) metal d) cloth

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