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- 1. Multiple Choice
Jose saw bats catching insects after dark. He asked, “How do bats find insects in the dark?”recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions - 2. Multiple ChoiceThe variable that you change in the experiment. Also called the manipulated variable.ControlledDependentIndependentResponding
- 3. Multiple ChoiceIn a "controlled" experiment, how many variables should you change at a time?4361
- 4. Multiple ChoiceStephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 5. Multiple ChoiceRecorded observations and measurements.InformationConclusionHypothesisData
- 6. Multiple ChoiceWhat is a control group in an experiment?a group in an experiment that remains unchanged for purpose of comparison (missing the IV)a group in an experiment that changes to compare the IV and DV variablesthe manipulated groupthe group that is altered
- 7. Multiple ChoiceWhat is a qualitative observation about this image?There are 10 mini trees in the picture.There are two colored bushes in the picture.There is one power line going across in the air.There is art created from trees in this photo.
- 8. Multiple ChoiceWhat is happening in this graph from point B to C?The object is going down a hill.The object is returning to its starting location.The object is slowing down.The object is staying still.
- 9. Multiple ChoiceDependent VariableVariable that is to change on purposeVariable that is the result of what happened and is considered the dataVariable that nothing was done to
- 10. Multiple ChoiceMr. S. uses a new spray cleaner to remove green slime left by students on the lab tables. Identify the dependent variabletype of cleanerthe new cleanerthe old cleanerthe effect of the cleaners
- 11. Multiple ChoiceWhy should you retest and experiment?to change the controlyou don't need to!its funto verify the results
- 12. Multiple ChoiceA student wants to test the effects of type of exercise on heart rate. What is the dependent variable?heart ratetype of exerciseamount of exercisetime of day exercise occurs
- 13. Multiple Choice
What type of graph shows the change in one value over time?
Line Graph
Pie Chart
Histogram
Bar Graph
- 14. Multiple ChoiceAngela’s experiment proved that earthworms move away from light.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 15. Multiple ChoiceWhat type of graph is this?Line GraphPictographBar GraphHistogram
- 16. Multiple Choice
Data
Conclusion or reason proposed to explain an observation
Act of recognizing a fact
Information obtained from experiment
- 17. Multiple Choice
Which of the following is NOT a characteristics of a hypothesis?
Must be made with background knowledge
Must be testable
Must organizes the IV and DV
Must always be correct
- 18. Multiple ChoiceIn a hypothesis written in the "If, then" format, which variable comes first?IndependentDependent
- 19. Multiple Choice
The control group , or the normal group, is needed for:
Keeping aspects of experiment constant
Comparison
Hypothesis formation
Application of the manipulated variable
- 20. Multiple ChoiceRene grew bacteria from the mouth on special plates in the laboratory. She placed drops of different mouthwashes on bacteria on each plate.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 21. Multiple ChoiceJohathan’s data showed that household cockroaches moved away from raw cucumber slices.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 22. Multiple Choice
Experiments include many trials, since:
It's fun
Scientists like to stay busy
More trials ensure the hypothesis is ALWAYS correct
More trials increase accuracy of results
- 23. Multiple Choice
A good experiment will yield accurate results if it has:
A really strong hypothesis
Only one independent variable
1 or 2 trials maximum
Two separate dependent variables.
- 24. Multiple Choice
When 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?
Dependent/responding
Independent/experimental
Control
constant
- 25. Multiple ChoiceAt which age do the least amount of teens have a cell phone?18141315
- 26. Multiple ChoiceGrand Canyon Average Snowfall (Inches)
Month N. Rim S. Rim
November 13 5
December 19 6
January 35 10
February 25 9
What is the independent Variable in this data?MonthN. RimS. RimInches of rainfall - Answer choicesTagsAnswer choicesTags