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Topics > Biology > Botany

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Does salt or sugar affect the growth of alfalfa seeds?
The purpose of this experiment was to determine what substances, like salt and sugar, when dissolved in water, will affect the growth of alfalfa seeds. I hope to see which substances have the greatest effect.

Difficulty: Elementary school

Does temperature affect the rate at which seeds sprout?
My hypothesis is that the plant with the soil temperature normal will sprout faster then the plant with the soil temperature higher and lower.

Difficulty: Elementary school

Does the size of kidney bean seeds affect the speed and success rate of germination?
This experiment’s purpose is to determine whether the sizes of kidney bean seeds affect the speed and percentage of germination. My hypothesis is that the bigger seeds will have a higher percentage rate.

Difficulty: Elementary school

How are vegetables affected by the Tobacco Mosaic Virus?
This particular project is inexpensive, safe, fosters student inquiry, and gives good results that students can discuss in their final assessment--a poster session that models a "Science Congress" The project lends itself to cooperative group work.

Difficulty: High school

How do microwaves affect seed germination?
What is the effect of increasing exposure times of microwave radiation on radish seed germination? What is the effect of increasing exposure times of microwave radiation on radish seed sprout length?

Difficulty: Elementary 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 acid rain affect seed germination?
The purpose of this experiment was to determine the effect of acid on seed germination. I became interested in this idea because I know that acid rain is becoming a factor in pollution around the world. I know this from books I've studied and news articles Iíve read

Difficulty: Middle school

How does acid rain affect the growth of plants?
The purpose of this experiment was to determine to what degree acid rain affects the growth of certain plants.

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 does salt water affect plant growth?
This project was performed to determine how different concentrations of salt water effect plants. The test that will be performed will prove which concentration will have the worst effect. The hypothesis is that by measuring the plants growth each day, the largest concentration of salt will harm the plants the most.

Difficulty: Elementary school

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