67 Second Grade Science Experiments
Did you know you can change the color of flowers? With this science experiment, you can!
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Do you want to know if watering plants makes them grow faster? Join us in this experiment to find out!
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Learn how to make a battery from potatoes and measure the voltage and current it produces!
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Can the temperature of the soil affect how fast a seed will sprout? Let's find out!
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Does milk help plants grow better than water? Find out in this fun science project!
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Learn about the greenhouse effect with this simple experiment! See for yourself how the air in a jar gets warmer and warmer when exposed to sunlight.
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Have you ever wanted to make something that lived millions of years ago? Now you can! Learn how to make your own fossil with this fun science project.
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Let's find out how much water is in an orange! We'll use a kitchen knife, paper plate, aluminum foil, and a weighing scale to figure it out.
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Suspend a ball in a stream of air and feel the force of the air pushing it back in!
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Have you ever wondered what happens when you mix colors of light? In this project, you will use flashlights and colored plastic sheets to find out!
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Make a simple pinhole viewer to see the images carried by light shining through a pinhole!
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Have you ever wondered why a steel ship can float, but a steel nail sinks? Let's find out how metal can float!
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Can you figure out why some cans of soda sink and others float? Join us in this experiment to find out!
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Create a fizzing, bubbling reaction with baking soda and vinegar! Learn about acid-base reactions and have fun while doing it!
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Learn how to make a tanker and clean up a vegetable oil "spill" with this fun science project!
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Have you ever seen raisins swim? Find out how to make raisins swim with this fun science experiment!
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Have you ever seen a shooting star? What if you could collect the tiny rocks that make them?
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Let's find out which clothing material is the best at keeping us warm!
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Can water hold up a weight? Find out by testing the surface tension of water with salt and temperature!
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Can you make a bubble that won't burst? Find out with this fun science project!
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With just a few simple steps, creating a cloud in a jar can help us understand the process of cloud formation!
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Did you know that something interesting happens when you place a sea shell into vinegar? Explore chemical reactions involving acids and bases in this fun experiment!
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Get ready to create a massive, bubbling tube of toothpaste using only hydrogen peroxide, yeast and dish soap!
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Have you ever wondered how big the Sun really is? See how many Earths can go across the Sun!
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This simple Oobleck recipe of cornstarch and water is a fun introduction to the complex science of non-Newtonian fluids!
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Write secret messages using baking soda invisible ink and reveal them with grape juice in this cool science project!
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Want to uncover secret messages like a super spy? Learn how to write and reveal messages using lemon juice and a hair dryer!
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Build a mini version of our solar system with planets made from play dough or foil and a balloon sun. Discover the wonders of space!
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Explore the solar system with fruits! Pick which fruit represents each planet based on their size, then order them according to their distances from the sun.
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Can you guess the flavor of a candy without using your sense of smell? Find out in this fun science experiment!
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See colors magically move in milk with soap! This fun experiment demonstrates surface tension in a vivid way!
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Make your own sparkling rainbow crystals at home with Borax and see science in action!
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Have you ever wondered what the difference between a rock and a mineral is? Find out with this sweet experiment!
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Make your own sparkling geode rock crystals at home with Borax and see science in action!
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Learn how arches are used to support heavy things with this fun experiment using egg shells!
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Get ready to become a candy-making scientist! Grow your own giant sugar crystals and make rock candy you can eat!
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Learn how to keep bread from spoiling by storing it in different environments!
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Can you tell the difference between an apple and a pear if you can't smell? Find out in this fun experiment!
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Can you tell which object is better for our environment? Test your recycling sense with this fun experiment!
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See how fast you can react to different situations! Compare your reflexes to your friends and family and see who is the fastest!
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Let's find out how different surfaces affect how far and fast a matchbox car rolls down an inclined plane!
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Build a rocket car that rolls across the floor using air from a balloon!
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Discover the tasty way to learn about the Moon phases using Oreo cookies! Create your very own edible Moon models to learn the different Moon phases.
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Explore this fascinating egg experiment with vinegar that makes a bouncy egg! Discover the science of acid and base chemical reactions and protein denaturation!
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Watch the colors of the rainbow magically walk from cup to cup in this science project!
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Create a mini Milky Way galaxy in a jar that sparkles! It's mesmerizing and so much fun to make and gaze at!
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Can you protect a raw egg from breaking when dropped from high up? Have fun in this engineering challenge!
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Science makes it possible to cook spaghetti in just a minute! Soak it first, then cook in a flash. Save the planet while enjoying your favorite dish!
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Create a lava lamp with an erupting volcano effect when you add salt to oil and water! It's so much fun to watch this colorful explosion caused by density!
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Create your own frozen lava lamp with colorful ice cubes and watch as mesmerizing colored water globules dance in clear oil.
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Create a mesmerizing glow-in-the-dark lava lamp that looks like a swirling snowstorm of colors!
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Watch blobs of color float and dance in a homemade lava lamp made with Alka-Seltzer tablets, oil and water!
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Create your own mesmerizing lava lamp with glitter and antacid tablets! Watch as colorful bubbles dance and sparkle, revealing the fascinating science behind this magical experiment.
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Let's see which paper airplane can fly the farthest! Fold, decorate, and launch your own planes to find the winning design.
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Create your own mesmerizing lava lamp with fizzy bubbles! Watch as colors swirl and bubbles rise in this exciting experiment.
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Explore the magic of plant growth and watch seeds from your kitchen come to life! Sprout seeds on a paper towel, then plant them to see them thrive!
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Want to make cool designs using leaves and flowers with sunlight? Explore how the Sun's UV rays affect construction paper while creating beautiful art.
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