Review
The links below takes you to a site that has multiple review quizzes covering different parts of our SCIENCE CURRICULUM.
http://www.proprofs.com/quiz-school/quizshow.php?title=5th-grade-science-staar&q=1
http://www.softschools.com/tests/5th_grade_science/
https://prezi.com/a9vvtxo0idlb/5th-grade-daily-science-terranova-practice-question/
https://www.quia.com/quiz/1322743.html
REVIEW: Types of variables
- Independent Variable: The independent variable is the one condition that you change in an experiment.
- Example: In an experiment measuring the effect of temperature on solubility of a liquid, the independent variable is temperature.
- Example: In an experiment measuring the effect of temperature on solubility of a liquid, the independent variable is temperature.
- Dependent Variable: The dependent variable is the variable that you measure or observe. The dependent variable gets its name because it is the factor that is dependent on the state of the independent variable.
- Example: In the experiment measuring the effect of temperature on solubility, solubility would be the dependent variable.
- Example: In the experiment measuring the effect of temperature on solubility, solubility would be the dependent variable.
- Controlled Variable: A controlled variable or constant variable is a variable that does not change during an experiment. WHAT STAYS THE SAME
- Example: In the experiment measuring the effect of temperature on solubility, controlled variable could include the source of water used in the experiment, the size and type of containers used to mix chemicals, and the amount of mixing time allowed for each solution.
If you were measuring the growth rate of plants under full sunlight for 8 hours a day versus plants that only have 4 hours of full sunlight per day, the amount of time per day of full sunlight would be the independent variable - the variable that you control. The growth rate of the plants would be a dependent variable.
A dependent variable? Yes, there can be more than one dependent variable. In our example, for instance, the growth rate of the plants might be one dependent variable and the overall height of the plants might be another dependent variable. Both of these variables depend upon the independent variable.
