Q. The height of bean plants depends on the amount of water they receive. The independent variable is..... 

Q. The higher the temperature of water, the faster an egg will boil. The dependent variable is.....

Q. The number of nails picked up by an electro-magnet increases with the number of batteries hooked to the circuit. What is the independent variable?

Q. True or false. The independent variable is graphed on the x axis, and the dependent variable is graphed on the y axis.

Q. Keeping the lights on different amounts of time affect the number of eggs a chicken lays. The dependent variable is....