In this science fair project, students use the streak test to tell minerals apart from each other.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

Use muffin tins to create a simple, affordable and fun game to help your child practice their vocabulary!

This science fair project idea investigates the hardness property of minerals.

Children will learn about diversity, hear a story that reflects appreciation and acceptance of differences, and connect with a pen pal in another country through writing and drawing a letter.

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.

Is your first grader a picky eater who judges her meal at a glance? Change her perception of food with the help of this tricky taste test.

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Test whether plants can grow without sunlight and water.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Spark your kids' interest in writing by helping them write a mini-book about their favorite subject: themselves!

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

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

Find out which kind of bubble wrap fares best when put in impact.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Try a fun Mother's Day game for moms and kids to play together!

This science experiment has students test whether a snail moves faster on concrete or dirt.

Learn all about colors with the best teachers of all -- cupcakes!