Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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

This science fair project idea explores the different properties of matter.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project idea explores whether talking to a plant will help it grow.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

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

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea explores the egg's thin membrane.

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

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

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

In this experiment we will be determining whether birds prefer certain colors of seed.

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.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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