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This experiment explores how listening in to a one-sided conversation affects concentration.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project idea explores substances that cause a bubble to last longer.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Determine whether the relationship between a personâs armspan and height are genetic.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This science fair project idea determines the probability of a coin landing heads or tails.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this science fair project you will make a model of a cell membrane using very simple material.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.