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- 1. Multiple ChoiceAs a substance heats up, its molecules ___________________.slow down and get closer togetherslow downspeed up and get farther apartstop
- 2. Multiple ChoiceIf a solid block of wood has a volume of 10 cm3 and a mass of 40 grams, what is its density?40 grams4 cm34 g/cm340 g/cm3
- 3. Multiple ChoiceIf a block of cheese was chopped up into 50 identical cubes of cheese, how could you compare one of the cubes to the whole block?the small cube has the same mass as the whole blockthe small cube has the same volume as the whole blockthe small cube has the same weight as the whole blockthe small cube has the same density as the whole block
- 4. Multiple ChoiceDoes the amount of a substance make a difference in its boiling point?yesno
- 5. Multiple ChoiceWhat are some things that are true of ALL metals?they are magneticthey are soluble in waterthey are all good conductors of electricitythey all have the same melting point
- 6. Multiple ChoiceIf a magnet broke into a thousand tiny pieces, would all the individual pieces be magnetic?yesno
- 7. Multiple ChoiceIf a magnet broke into a thousand tiny pieces, would all the individual pieces be magnetic?yesno
- 8. Multiple ChoiceTrue or False. If you have the same volume of two different substances, they may have different densities.TrueFalse
- 9. Multiple ChoiceIf you have a block of ice that has a mass of 500 grams, how many grams of water will you have when the ice melts?400 grams500 grams200 grams600 grams
- 10. Multiple ChoiceWhat is true about the mass of the reactants compared to the mass of the products of a chemical reaction?they will always be the samethey are sometimes the samethey will always be differentthey will sometimes be different
- 11. Multiple ChoiceWhich one is not a chemical change?a wick burning
a nail rusting
metal corrodingwax melting - 12. Multiple ChoiceTrue or False. When a chemical change takes place, a new substance is formed every time.TrueFalse
- 13. Multiple ChoiceWhich one is not a physical change?paper rippingchopping woodgold melting into a liquida match burning
- 14. Multiple ChoiceIf you completely dissolve a powder into water, this is an example of a ___________change.chemicalphysical
- 15. Multiple ChoiceHot temperatures can _____________ the speed of a chemical change.decreaseincrease
- 16. Multiple ChoiceObservation or Inference? The acid caused the surface to wear down.ObservationInference
- 17. Multiple ChoiceObservation or Inference? The substance turned black when iodine was added.ObservationInference
- 18. Multiple ChoiceObservation or Inference? The box had a volume of 400 cm3.ObservationInference
- 19. Multiple ChoiceYou are testing to see which brand of marker would last the longest. What is your test (independent) variable?how long it would lastthe brand of markerthe number of markersthe paper
- 20. Multiple ChoiceYou are testing to see which brand of marker would last the longest. What is your outcome (dependent) variable?how long it would lastthe brand of markerthe number of markersthe paper
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