Name________________ Period_______ Independent/Dependent Variables Practice Directions: Identify the independent and dependent variable. 1. How does the type of plant fertilizer affect the amount a plant will grow? IV:__________________________________________________________________________________ DV:_________________________________________________________________________________ 2. How does the type of ball affect the number of times a ball will bounce? IV:__________________________________________________________________________________ DV:_________________________________________________________________________________ 3. How does the mass of a clay boat affect the number of pennies it can hold before it sinks? IV:__________________________________________________________________________________ DV:_________________________________________________________________________________ 4. How does a surface of a floor affect the distance a ball will roll on it? IV:__________________________________________________________________________________ DV:_________________________________________________________________________________ 5. How does the level of light in a room affect the amount of sleep a person gets? IV:__________________________________________________________________________________ DV:_________________________________________________________________________________ 6. How does the shape of a container affect the cooling time of hot water? IV:__________________________________________________________________________________ DV:_________________________________________________________________________________ 7. How does the shape of a wooden block affect the time it will sink in a bucket of water? IV:__________________________________________________________________________________ DV:_______________________ _________________________________________________________ 8. How does the size of a car affect the distance it will travel on a flat surface? IV:__________________________________________________________________________________ DV:_________________________________________________________________________________ 9. How does the temperature of a room affect the amount a plant will grow? IV:__________________________________________________________________________________ DV:_________________________________________________________________________________ 10. How does the color of a shirt affect the amount of heat it will absorb? IV:_________________________________________________________________________________ DV:________________________________________________________________________________ 11. How does the shape of a sail affect the distance a boat will travel? IV:__________________________________________________________________________________ DV:_________________________________________________________________________________ 12. How does the type of surface affect the time it takes for water to freeze on top of it? Date________________ Name________________ Period_______ IV:_______________________________________________________________________________ DV:______________________________________________________________________________ 13. How does the type of tire on a car affect the distance it will travel before wearing down ½ inch? IV:_______________________________________________________________________________ DV:______________________________________________________________________________ 14. How does the size of a rock affect the time it takes to be broken down into sediment (little pieces of rock)? IV:_______________________________________________________________________________ DV:______________________________________________________________________________ 15. How does the length of a pendulum affect the number of swing? IV:_______________________________________________________________________________ DV:______________________________________________________________________________ 16. How does the type of liquid drops put on a penny affect the number of drops it will hold? IV:_______________________________________________________________________________ DV:______________________________________________________________________________ Date________________