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- 1. Multiple ChoiceTrue or False: Your hypothesis can never be wrong.TrueFalse
- 2. Multiple ChoiceIf plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?ProcedureHypothesisQuestionResults - 3. Multiple ChoiceWhat step does every scientific experiment begin with?hypothesisquestion/problemproceduresconclusion
- 4. Multiple ChoiceThe independent variable is the ONE thing you _____.change on purposecontrol or keep constantmeasure
- 5. Multiple ChoiceThe variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effectindependent variabledependent variablecontrol variable
- 6. Multiple ChoiceAn experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. What variables should be kept constant/controlled?type of plant, flower pot, soil, and amount of sunlightwater, apple juice, milkonly the amount of sunlighttype of plant only
- 7. Multiple ChoiceA possible explanation to a problem that has not yet been tested.datatheoryhypothesisfact
- 8. Multiple Choice
The part of the experiment that remains unaffected by the independent variable. Used to compare dependent variable to.
constants
control group
independent
dependent
- 9. Multiple ChoiceA scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable isthe male alligatorsthe incubatorthe gender of the alligatorthe temperature
- 10. Multiple ChoiceA scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable isthe size of the baby alligatorsthe gender of the baby alligatorsthe incubatorthe temperature
- 11. Multiple Choice
In this graph, what is the independent variable?PopulationDaySpecies 5 - 12. Multiple ChoiceIn this graph, what is the dependent variable?Walla Walla IslandTimeNumber of Deer
- 13. Multiple ChoiceA student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.Diameter of the ballForce acting on the ballHeight that the ball bouncesHeight from which the ball is dropped
- 14. Multiple ChoiceA scientist performs an experiment to see if acids have an effect on the health of a particular type of plant. Three sets of plants were treated with acidic solutions of known pH while the control set was treated with a solution of neutral pH 7.Which is the best conclusion for this experiment?Acid has no effect on the health of this type of plant.B. High acidity is helpful to this type of plant.C. Low acidity is harmful to this type of plant.High acidity is harmful to this type of plant.
- 15. Multiple ChoiceThe graph below shows atmospheric carbon dioxide levels since the year 1880.Which of the following conclusions can be drawn from this graphAtmospheric carbon dioxide levels are responsible for global temperature change.Atmospheric carbon dioxide levels have been rising at about the same rate for the past century.Atmospheric carbon dioxide levels have remained the same over the past century.Atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed.
- 16. Multiple ChoiceIn an appropriately designed experiment, a scientist is able to test the effect ofa single variablemultiple variablesthe hypothesisscientific observations
- 17. Multiple ChoiceWhen experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?DependentIndependentControlCompound
- 18. Multiple ChoiceResearch Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?Type of gasolinewhich car the gas is put intohow fast the car can drivehow much gas is put into the car
- Answer choicesTagsAnswer choicesTags