Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Word color association is just a fancy way to talk about the way we connect colors with words.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This classic children's game demonstrates how sound travels through air vs. through a solid.

The objective of this science fair project is to investigate salt water density.

This science fair project idea investigates whether air has mass and weight.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

This science fair project teaches students about wilting and browning of salad greens.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this project, a basketball containing different psi is dropped to see how well it bounces.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

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

This science fair project idea investigates if fats add to the flavor of food.