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Chemistry
7th -
9thgrade
Diffusion Rate & Changes in State of Matter
15 questions
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- 1. Multiple ChoiceWhat does “high concentration area” mean?Spread outTightly packed togetherUncrowdedSpacious
- 2. Multiple ChoiceWhich diagram best shows the end result of diffusion?FGHJ
- 3. Multiple ChoiceThe picture is an example of _________________.isotonicdiffusionosmosisactive transport
- 4. Multiple ChoiceDiffusion is the movement of molecules from an area of _____ concentration to an ______ concentrationHigh, lowLow, highLow, low,High, high
- 5. Multiple ChoiceAn increase in temperature does what to diffusion?Speeds it upSlows it downHas no effectI wish i knew. Really I do.
- 6. Multiple Choicewhen a person smells something, what is actually traveling up their nose?solidsmoleulcesmatterplasma
- 7. Multiple Choice
Which form of matter has a definite shape and takes up space (has definite volume)?
liquid
solid
gas
clay
- 8. Multiple ChoiceWhat is happening when my ice cream changes from a solid to a liquid?freezingmeltingburningevaporation
- 9. Multiple ChoiceAdding heat from a solidwill cause it to melt and turn into gaswill cause it to boil and turn into liquidwill cause it to melt and turn into liquidwill cause it to sublimate
- 10. Multiple ChoiceAdding more heat energy to molecules willmake them move slowermake them move fastermake them stop movingdestroy them
- 11. Multiple ChoiceWhen we remove heat from a liquidit will freeze and turn into a solidit will freeze and turn into a gasit will freeze and turn into a liquidit will freeze and turn into plasma
- 12. Multiple ChoiceMolecules have energy and _________ stop movingrarelyalwaysneversometimes
- 13. Multiple ChoiceMatter changes state when...energy is added or removedenergy is addedenergy is removedthere is no energy
- 14. Multiple Choice+Energy(heat)solid to gasliquid to solidgas to liquidgas to solid
- 15. Multiple Choice_______________ happens when molecules collide and push each other apart.concentrationdiffusion
- Answer choicesTagsAnswer choicesTags