What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Here's a fun activity to show your child how to use prefixes and root words to "root out" the meaning of a word!

The meaning of Thanksgiving can sometimes get lost among the fun of food and family. Discuss the meaning of Thanksgiving with this fun activity.

Make an elegant Mother's Day card to celebrate the love and work in raising kids.

Celebrate the holidays by making farolitos, paper lanterns with elaborate designs and historical roots.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Here's a cheat sheet to help break down words in order to find their meaning.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

This science fair project idea identifies trees using a dichotomous key.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Inspire your fifth grader to explore a new culture and determine her New Year's fortune by playing this German wax dripping game.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Compare fractions in this two-player math game. The objective of the games is to work together to determine who has created the largest fraction.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.