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- 1. Multiple ChoiceA possible explanation for a set of observations or answer to a scientific question is called a(n)predictionhypothesistheorylaw
- 2. Multiple ChoiceUsing one or more of your senses to gather information is calledobservinginferrringpredictingclassifying
- 3. Multiple ChoiceExplaining or interpreting the things you observe based on reasoning from what you already know is calledobservinginferringpredictingclassifying
- 4. Multiple ChoiceA scientific hypothesis must becorrectable to be manipulatedable to be controlledable to be tested
- 5. Multiple ChoiceA well-tested explanation for a wide range of observations or experimental results is called a scientificinquiryhypothesistheorylaw
- 6. Multiple ChoiceIn a scientific experiment, the one variable that is purposely changed to test a hypothesis is called the ____________ variable.independentdependentcontrolledresponding
- 7. Multiple ChoiceYou should never ______ chemicals in the lab.tastetouchsmellall of the above
- 8. Multiple Choice
This piece of lab equipment is called a _______________.beakerspring scalegraduated cylinderthermometer - 9. Multiple ChoiceWhen heating a test tube, it should bepointed away from yourself and other studentsheld with two fingersfilled completely with the liquid being heatedheated over a tripod and gauze mat.
- 10. Multiple ChoiceThe curve surface of the water inside a measuring cylinder is known ascurvaturemeniscusopen watersurface tension
- 11. Multiple ChoiceWhich is NOT true about a Bunsen burner?The air hole must be closed when lighting a Bunsen burner.When not in use, the yellow safety flame of a Bunsen burner should be visible.The blue flame of Bunsen burner is cooler than the yellow flame.A Bunsen burner must always be placed on a heatproof mat.
- 12. Multiple ChoiceInto which section of a laboratory report should observations, tables and graphs go?DiscussionResultsConclusionAims
- 13. Multiple ChoiceWhat does the word toxic mean?Chemical can catch on fireChemical is allowed to touch your skinChemical should not be swallowedChemical should not touch your skin
- 14. Multiple Choicewhat does this symbol mean?ToxicIrritantFlammableBiohazardous
- 15. Multiple ChoiceWhat safety symbol is this?corrosivetoxicradiationbiohazard
- Answer choicesTagsAnswer choicesTags