Variables and Constants

“A scientist is conducting an experiment to see how different amounts of water affect the height of a sunflower. Identify one variable and one constant in this experiment. A baker is making cookies. They always use the same oven temperature (175°C), but they are experimenting with different amounts of sugar. Identify one variable and one constant in this situation. A student is measuring the length of different pencils. They use the same ruler for each measurement, but the pencils are all different lengths. Identify one variable and one constant in this process.”