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1000 Science Fair Projects with Complete Instructions

Botany is the study of how plants grow and interact with their surroundings, from flowers to trees to crops. Through studying botany, we can understand the vital role of plants in ecosystems and learn how to care for them effectively.
Caffeine and Plant Growth
Botany Science Fair Project
Medium
Does caffeine help plants grow faster? Find out by watering mung beans with water, caffeine solution, and coffee mixture and measuring the growth!
Organic vs. Inorganic Fertilizers
Botany Science Fair Project
Medium
Let's find out which type of fertilizer will make plants grow the fastest - organic or inorganic?
X-Rays and Plant Growth
Botany Science Fair Project
Medium
Can X-rays stop green beans from growing? Find out in this science project!
Investigating Water Loss in Plants
Botany Science Fair Project
Medium
Let's explore how much water plants lose through transpiration and see if bigger leaves mean more water loss!
Uncovering Fall Colors
Botany Science Fair Project
Medium
Have you ever wondered why leaves change color in the fall? Let's find out by using chromatography to separate the colors of a green leaf!
Vegetable Propagation
Botany Science Fair Project
Medium
Learn how to grow your own vegetables with this fun science project! You'll explore different methods of vegetative (asexual) propagation and see which one works best.
Earthworms and Plant Growth
Botany Science Fair Project
Medium
Do earthworms help plants grow faster? Find out in this science project!
Investigating Stomata Density
Botany Science Fair Project
Medium
Let's explore how the number of stomata on pine tree leaves changes depending on the amount of traffic in the area!
Planting Companions
Botany Science Fair Project
Hard
Plant different types of plants together to see if they help each other grow better!
The Effects of Fertilizer on Plant Growth
Botany Science Fair Project
Hard
Ever wondered how fertilizer affects the growth of plants? Find out by conducting an experiment with radish plants and different concentrations of fertilizer!
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