Chapter One Science in Our World Review

Match it! Select the correct answer from the pull down...Good luck!

A student wants to test how the concentration of phophorus in a fertilizer affects plant growth. In designing this experiment the independent variable would be the __________________.

The control variable is

Which of the following is an example of assistive engineering?

The dependent variable is

An engineering company is testing a new weather-forecasting program. Which procedure would best verify that the program is making accurate predictions?

Which piece of lab equipment would be used to measure the volume of a liquid?

Which variable is the one that a scientist changes at the beginning (on purpose)?

The main biofuel on the market today is ethanol, a fuel made from corn. Which type of bioengineered product is ethanol?