This science fair project explores how osmotic pressure forces water through the root up into the plant.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project researches the most effective method to cut an onion and stay tear-free.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

The objective of this science project is to determine the length of time for different seeds to germinate.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

This experiment will explore the possibility of creating an infinite object by hand.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.