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

Hide details | Sort by popularity | Sort by title | Sort by difficulty

Bookmark this page

Stoma density and water loss

This science fair project was conducted to compare the relationship between stoma density and loss of water through transpiration. The experiment was performed with large leaves from the elephant ear plant, the money plant (medium size leaves) and ivy (small leaves).

Difficulty: Middle school

Does a pineapple grow best in sand, soil or water?

The purpose of this experiment was to determine if a pineapple (Ananus comosus) could be regenerated from its crown more effectively in rich soil, sand, or water.

Difficulty: Elementary school

How does temperature affect the rate of growth of algae?

The purpose of this experiment was to determine the effect of a certain species of algae when they are growing at different temperatures.

Difficulty: Elementary school

Do plants grown taller hydroponically or in soil?

The purpose of this experiment was to find out if radishes grow taller and have more leaves if grown hydroponically using the water culture method and grown hydroponically using the flood and drain method, or if grown "conventionally" in potting soil.

Difficulty: Elementary school

Do plants grow faster when grown hydroponically instead of in soil?

The purpose of this experiment was to determine in which condition plant shoots grow roots best: the conditions were in chemical solution, tap water, and soil.

Difficulty: Middle school

What is the effect of gibberellic acid on plant growth?

The following lesson can be used as a way of approaching the scientific method during or after a unit on plant growth and development. This investigative activity will enable students to explore the effects of specific plant hormones (abscisic acid and gibberellic acid) on seed germination. They will formulate a hypothesis as well as design and perform the experiment to test the hypothesis.

Difficulty: High school

How do moisture and earthworms affect the quality of soil?

The purpose of this experiment was to determine the effect of soil moisture on the growth of beans. In addition, I determined the effect of earthworms in the soil on bean growth.

Difficulty: Elementary school

How does nitrogen affect plant growth?

The purpose of my experiment was to determine the effects of water solutions that contain different levels of nitrogen on bean growth.

Difficulty: Elementary school

How to grow your own mold
Mold is a simple fungus. It gets its food from grains, fruits, vegetables and flesh. Mold begins as a tiny spore that lands on a food source like bread. Spores can be found in the air, on the ground and on you!

Difficulty: Elementary school

Do plants grow at different rates when given different plant foods?
I wanted to know the growth difference in plants when different plant foods were being fed to them. I believed that if I used Miracle-Gro the plants would grow taller than the others, I believed this because Miracle-Gro seems to be the most popular nationally known plant food in the United States of America. I hoped that this investigation would tell me what plant food makes plants grow the fast

Difficulty: Elementary school

Page 3 of 7

Bookmark this page

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.