10 free MoGEA practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
MoGEA Practice Test 2Tutor mode
Question 1 of 10
Science and Social Studies
A student tests whether fertilizer amount affects plant height. She grows 12 identical bean plants in the same soil, light, and temperature, gives groups of plants 0 g, 5 g, or 10 g of fertilizer, and measures their heights after three weeks. In this investigation, the amount of fertilizer is the: