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 idea explores how much force is needed to move a lever at different distances from the fulcrum.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science research project challenges students to think of more effective lobster farming methods.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

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

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.