Question

M es and Due Dates > Homework 1: Chapters 1,2,3 Homework 1: Chapt /5400 Resources Hint Ashley hypothesizes that adding coffee grounds to the soil will help the plants grow faster. She designs a controlled experiment to determine if this hypothesis is supported. She grows one group of soybean seedlings under normal conditions. She mixes three tablespoons of coffee grounds into the soil of the second group and grows the seedlings under the same light, temperature, and watering regimen. After three weeks, she measures the height of the seedlings and compares the two groups. Identify the parts of the experiment. Place only one term in each category. You will not place all the terms. Experimental group Control group Dependent variable Independent variable Answer Bank about us Careers privacy policy terms of use contact us hele 12:53 PM 9/16/2014

Answer 1

Question 1

Experimental group : Seedlings grown with coffee grounds.

Control group : Seedlings grown without coffee grounds.

Dependent variable : Seedling height.

Independent variable : Soil.

Question 2

No,the other conditions should remain the same for the experiment to be scientifically sound.