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

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Use pepper and soap to discover some fun facts about the properties of water.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

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?

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

This science fair project examines how seeds hitchhike on animals and clothing.

Teach your child how butter is created by shaking up cream the old-fashioned way.