Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Let your child help you create a fire escape plan poster to hang in the house in case of an emergency!

This game will help build your child's word bank as she competes with family members for the "Word of the Day" champion title.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this activity, your child will use two powerful questions to investigate a thought and the truth behind it. They will write and perform a skit using mindfulness and these important questions.

Plan a family dinner based on the "Little House" books, and encourage reading in the household!

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

This year, celebrate Father's Day with three hilarious outdoor family games.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

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.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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.

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?

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Fire up the grill, break out the raffia and get crafty with flowers--it's time to learn how to throw your own luau!

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.

Here's an activity to teach your fourth grader how to reflect on her past year and set specific, attainable goals to reach in the New Year.

Here's a festive, patriotic 4th of July fruit platter that is healthy, delicious, and guaranteed to be a real crowd pleaser.

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

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.