All Science Fair Projects

Over 500 FREE Science Fair Project Ideas!

Search Browse Forum Coach Links Editor Help Tell-a-Friend Encyclopedia Dictionary

Top 20 Science Project Searches

Science Fair Coach
What do science fair judges look out for?

Topics > Biology > Botany

	Project title	Effect of fertilizer on plant growth
	Difficulty Level	High school
	Project page	Click here to view this science project
Description
This science fair project was conducted to ascertain how the amount of fertilizer used will affect the growth of plants. The science fair project involved using levels of fertilizer lower and higher than that which was recommended by the manufacturer.
Instructions preview
1. For this science fair project, the independent variable is the concentration of fertilizer in the water. The dependent variable is the rate of growth of the radish plants. This is determined by measuring the average height of the 3 plants in each group. The constants (control variables) are the amount of water and the type of plant used. 2. The 15 pots are filled with the same amount of soil. One radish seed is placed in each pot. (More than one radish seed can be used in each pot in case some of the seeds do not germinate. .....

View our all-time most popular science projects

You might also like these projects

Kits for your science fair projects Science fair book Science kit search tool

Science kits, science lessons, science toys, maths toys, hobby kits, science games and books - these are some of many products that can help give your kid an edge in their science fair projects, and develop a tremendous interest in the study of science. When shopping for a science kit or other supplies, make sure that you carefully review the features and quality of the products. Compare prices by going to several online stores. Read product reviews online or refer to magazines.