2nd Grade Engineering and Science Inquiry Activities

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

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

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Learn all about balance and motion as your child designs a corn maze!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Start your toy engines -- this is going to be a fast and friction-filled race!

In this activity, your child will be challenged to make a tower using paper cups.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea investigates how magnetism can defy the force of gravity.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this activity your child will create their very own marble maze!

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

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.