Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Your child will have fun creating an Earth Day Plate that he can eat off as often as he likes!

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Encourage a spirit of giving and sharing with this meaningful tzedakah box craft project. 

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This witches' brew recipe for kids is a cool mix of lemonade, tapioca pearl "eggs," and gummy worms. Try this witches' brew recipe for kids this Halloween.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this project children practice the scientific method while playing with puffy paint.

Learn all about cause and effect as your child experiments with an exploding pumpkin in this engaging fall activity! Get the whole family involved with this simple science experiment that is a fun and exciting way to combine Halloween and science.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Here's an idea for an edible Father's Day "note" that also happens to give your second grader practice in using a fancy new tool: the thesaurus.

Make fractions easy for your child to understand by incorporating their discussion and practice into meals and cooking that you two participate in together.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Transform a simple menu into a work of art! Let your child unleash her inner artist on tonight's menu for a beautiful display that the whole family can enjoy.

In this fun science project your child will get practice following directions and getting messy as they learn all about slime!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Get started on an ofrenda for Dia de los Muertos with this easy edible sugar skull project.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

Get ready for leftovers with an adorable turkey lunch bag! This recycled craft is a great way to remind everyone how much fun they had on Thanksgiving.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!