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.

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

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

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

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

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.

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.

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.

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

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.

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.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this science fair project, students use the streak test to tell minerals apart from each other.

This science fair project idea investigates the hardness property of minerals.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!