71 Science Fair Projects for 6th Graders
Do humans or dogs have more bacteria in their mouth? This fun science project will help you discover the answer by exploring the bacteria in both a dog's mouth and ...
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Does the temperature of a room affect how quickly a candle burns? Find out in this science project!
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Are you curious about what's really in your fast food? Find out by conducting this experiment!
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Learn how soap can break the surface tension of water and mix oil and water together!
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Can plants grow better when they listen to classical music? Find out in this experiment!
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Can plants grow faster when grown hydroponically instead of in soil? Find out in this experiment!
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Make music with water and a glass! Learn how to turn a drinking glass into an instrument.
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Let's find out which body lotion will keep the most moisture from evaporating!
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Have you ever heard of rocks made of chocolate? Use chocolate to learn about the rock cycle in this delicious science project!
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Are you curious to know if your blood pressure is higher when you're resting or when you're exercising? Find out in this experiment!
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What's the best way to clean teeth? Find out in this science project!
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Ever wondered which soda is the worst for your teeth? Find out in this fun science experiment!
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Curious about pet rocks? Make some and learn about the rock cycle in the process!
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How hard is that rock? You can learn how to classify your own rocks by their hardness just like geologists!
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Does physical activity before an exam help you do better?
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Do you like your food hot or cold? Find out how temperature affects your taste buds in this fun experiment!
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Have you ever wondered how long soap bubbles can stay afloat in carbon dioxide? Let's find out!
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Learn how to build bridges that can hold a lot of weight using triangles and squares!
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Let's explore how much water plants lose through transpiration and see if bigger leaves mean more water loss!
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Are you curious to find out where the most germs are hiding? Join us in this science project to find out!
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Learn how temperature affects the viscosity of water, milk, and corn oil!
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Let's explore how different surfaces affect the temperature increase due to the greenhouse effect!
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Have you ever wondered how to make bread last longer? In this science project, you will find out how adding fruit paste to bread can help preserve it!
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Can a betta fish learn to ignore a mirror? Find out in this science project!
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Does classical music help kids rest better during naptime? Find out in this experiment!
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Learn why the seasons change and how the tilt of the Earth affects the intensity of the sunlight at a given location!
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Make a hot dog cooker that uses the power of the sun! You can use this solar oven to cook other things too!
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Learn how to make your own stethoscope and measure your own heartbeat!
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Let's find out if salt or sugar can help or hurt plants when added to water!
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Discover how different solutions affect an animal cell and observe if substances pass through the cell membrane!
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Can detergents really kill plants? Find out in this experiment!
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Let's find out which type of bridge is the strongest out of three types of bridges!
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Learn how height and weight can affect potential energy with this fun science project!
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See the sun like never before! View sunspots through a telescope or a homemade 'pinhole camera' and explore the sun's surface.
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Have you ever noticed that sound changes when you move? Find out why with this fun science project!
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Learn how to grow your own vegetables with this fun science project! You'll explore different methods of vegetative (asexual) propagation and see which one works best.
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Do food deserts exist in your community? Find out by visiting grocery stores and surveying residents in both urban and non-urban areas.
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Does playing video games make your blood pressure go up? Find out in this fun experiment!
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Can stress affect how well you remember things? Find out in this 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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Make your own sparkling geode rock crystals at home with Borax and see science in action!
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Discover the incredible power of lemons! With lemons and basic materials, you can create an eco-friendly battery that powers an LED light!
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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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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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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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This simple Oobleck recipe of cornstarch and water is a fun introduction to the complex science of non-Newtonian fluids!
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Make your own sparkling rainbow crystals at home with Borax and see science in action!
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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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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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Ever wanted to hold the solar system in your hands? With this project, you can build your own pocket-sized model!
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Can you make a pipe cleaner foil bug walk on water? Find out with this engineering challenge by building your own water strider and exploring the science of surface tension.
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Explore our solar system with Play-doh! Make a scale model of planets and moons and learn about their size and distance from each other.
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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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Can your favorite drinks harm your teeth? Find out using hard boiled eggs in this science project!
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Ever wondered how water can break rocks? Discover the power of ice in this exciting experiment on weathering!
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Mix cornstarch and water to make quicksand and see if your hands sink!
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Find out if rocks have calcium carbonate, also known as calcite, in them with a simple fizz test!
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Can some rocks hold more oil, gas and water than others? Find out in this rock porosity and permeability experiment!
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Rocks are irregularly shaped. How can you measure the density of a rock? (Density = weight / volume) Discover the answer by using water displacement and weighing the rock to ...
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Make delicious rock formations using Starbursts! Learn how the earth makes rocks in a tasty way.
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Discover how to make your own sedimentary, metamorphic, and igneous rocks using crayons!
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Create your own solar system model to scale on the sidewalk and take a walk through space!
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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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Watch as changing colors swirl and dance in this mesmerizing lava lamp experiment using red cabbage juice and Alka-Seltzer tablets. Discover the secrets of pH indicators and fizzy reactions!
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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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