Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Have your child try this classic experiment that demonstrates circular motion using a bucket and rope. Be careful, you might get soaked!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

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

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).