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

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.

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

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.

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

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 about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

This science fair project examines how seeds hitchhike on animals and clothing.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This science fair project idea investigates how color affects temperature.

This science fair project will help students learn about non-vascular plants, such as mosses.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.