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Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Explore if planting seeds in a certain direction will affect how fast it germinates.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Challenge your learner to design and build a city of their own in this creative engineering activity.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Check out this cool science fair project on identifying rocks and minerals for kids.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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.