Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This clay "painting" activity encourages and supports creative development and critical thinking skills.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

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

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

This surprisingly good glue recipe comes from common kitchen items.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea examines the reason boats are shaped and engineered.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!