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In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

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

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

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

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.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Find out whether putting something on top of a plant will inhibit its growth.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

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

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea explores whether color affects a person's emotional state.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea investigates whether plants can survive being frozen.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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.

Use pepper and soap to discover some fun facts about the properties of water.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.