THE SCIENTIFIC METHOD



STEP 3: Designing an Experiment

Here is an example of how you should design your experiment:

Procedures:

  1. Measure 300 ml of soil and pour into plastic pot. Repeat for each pot.
  2. Place 3 bean seeds on the top of the soil in each pot.
  3. Measure 100 ml more of soil and sprinkle over beans. Repeat for each pot.
  4. Place all 5 pots in a sunny window. All pots should be positioned to receive the same amount of light.
  5. Label each pot with a number using a magic marker. Pots will be numbered 1 - 5.
  6. Measure 10 ml of water and pour into pot #1. Measure 20 ml of water and pour into pot #2. Put 30 ml in pot #3, 40 ml in pot #4, and 50 ml in pot #5.
  7. Record date in log book along with water measurements for each pot.
  8. Check plants at the same time every day. Measure and record height for each plant daily.