1st and 2nd Grade Science Activities

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

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

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

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

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!

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.

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

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

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

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.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

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

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

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

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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

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

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

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

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

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

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

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

Create a self-portrait from natural materials in this collage craft activity!

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

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

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.