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It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This project examines the concentration of dissolved oxygen in water, with and without oil.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

This science fair project idea measures physical dexterity as a function of temperature.

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

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

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.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This project concerns activity happening millions of miles away, on the sun.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.