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

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

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.

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.

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

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

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

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

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

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

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.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

In this science fair project, students create their own miniature salt flats at home.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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.

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

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