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Science Projects

Make science fun with hands-on experiments!

Science Projects Find free science fair ideas, quick & easy demonstrations, and more.
“Remember to experiment safely, with adult supervision when specified.”  
–The HST Science Experiment Gurus

Science Project Categories

 All science projects listed below ↓
 
 
 
 

Life Science Projects

  Backyard Birdwatching  Bacteria Experiments
  Blind Spot Experiments  Biology Science Fair Projects
  Bee Memory Experiment  Build a DNA Model
  Bacteria Science Project Guide + Video  Collecting Butterflies
  Create a Butterfly Garden  Drinking Plants
  Eye Chart Vision Test  Flower Dissection
  Glo Germ™ Experiments + Video  How Seeds Travel
  How to Build a Wormery  Leaf Chromatography
  Leaf Experiments  Make an Insect Collection
  Make a Plant Herbarium  Make a Leaf Skeleton
  Make a Butterfly Feeder  Make a Terrarium
  Make Casts of Animal Tracks  Owl Pellet Dissection & Bone Chart + Video
  Preserving Leaves  Pumpkin Petri Dishes
  pH Soil Test  Photosynthesis: Testing for Starch
  Photosynthesis: Watch It Happen  Phototropism Obstacle Course
  Pond Study  Raise Your Own Butterflies + Video
  Spore Prints & Spider Webs  Stop the Bacteria: Soap Survey
  Test Your Sense of Touch  Watch Seeds Grow
  Whale Blubber Experiment  Blood Compatibility Project

Earth & Space Science Projects

  Barometric Pressure  Collect & Identify Rocks & Minerals
  Earth Science Fair Projects  How to Make a Fossil Cast
  Hot Water: Convection  How To Crack a Geode + Video
  How To Polish Rocks  Make a Thermometer
  Make a Crater  Make Your Own Geode
  Make a Simple Telescope  Make Stalactites and Stalagmites
  Make an Astrolabe  Make a Seismograph
  Rock Hound Expedition   Rock Experiments
  Solar Purifier  Summer Stargazing
  Volcanic Eruption  Water Experiments
  Weather Experiments  Make an Anemometer Science Project

Chemistry Science Projects

  Acid Base Reactions & pH Experiments  Bath Salts & Soft Water
  Bubbles & Baking Soda  Color-Change Tricks + Video
  Chromatography Project + Video  Cocoa Butter Concoction
  Chemistry Science Fair Projects  Collapsing Cup + Video
  Cooking & Science  Experiments with Metals
  Electroplating: Copper-Plated Key  Fizzy Bath Bomb Reaction
  Food Chemistry Projects + Video  Green Eggs & Ham
  Growing Gems   Homemade Lava Lamp + Video
  Hot Chocolate Solvent  How Does Acid Keep Apples Fresh?
  Invisible Inks  Make a Colorful Bouncy Ball
  Make Scented Gel Air Fresheners  Make a Fire Extinguisher
  Make a Tomato Battery + Video  Polymer & Slime Experiments
  Rainbow Density Column   Rainbow Reaction Tube
  Slime Recipes  Saltwater Circuit
  Splitting Water: Electrolysis Experiment  Soap Boat Project
  Why Does Popcorn Pop? + Video  Quick Crystal Cup
  Homemade Hand Warmers  Baked Alaska: Edible Science
  Easy Homemade DIY Snow Globe  Homemade Whipped Cream
  Build an Igloo  Make an Ice Cube Igloo

Physical Science Projects

  Build a Solar Oven  Balloon Rocket Car + Video
  Balloon Jet  Build a Simple Motor + Video
  Build a Rubber Band Car   Compass Activities
  Centripetal Force  Design & Build a Solar Car
  Egg in a Bottle + Video  Electricity Quiz Game
  Electromagnetism Experiments  Electricity Experiments
  Film Canister Rocket  Homemade Galvanometer
  Liquid Density Experiments   Make Quicksand
  Make a Roller Coaster  Make a Light Bulb
  Make a Spectroscope  Make a Kaleidoscope
  Make a Cartesian Diver  Make a Water Wheel
  Mirror Illusions  Mousetrap Marshmallow Catapult
  Mousetrap-Powered Car  Milk Carton Periscope
  Newton's Laws of Motion  Oil Spill Cleanup Experiments
  Pinwheel Wind Turbine   Physics Science Fair Projects
  Saltwater Density  Sledding & Physics
  Rocket Pennies

General Science Projects

  Colorless Color Wheel  Dusting for Fingerprints
  Exploring the Beach  Fuming for Fingerprints
  Forensic Science Experiments  Homemade Lip Balm
  Homemade Ice Cream in a Bag  Ink & Paper Activities
  Kitchen Science Projects  Learn About Cheesemaking
  Make Your Own Paper  Make a Pinhole Camera
  Make a Vacuum Cleaner  Nature Scavenger Hunt
  Snowflake Activities  Summer Science Projects
  Science Experiment Videos  Super Soap Bubble Solution
  Thinking Putty Activities + Video  Technology Experiments

Science Fair Projects

  Biology Science Fair Projects  Chemistry Science Fair Projects
  Earth Science Fair Projects  High School Science Fair Projects
  Last-Minute Science Fair Ideas  Physics Science Fair Projects
  Science Fair Projects for Middle School  Science Fair Projects for Elementary
  Science Project Resources  Science Fair Project Ideas

Dissection Guides

  Cow Eye Dissection  Earthworm Dissection
  Fetal Pig Dissection  Frog Dissection Guide
  Snake Dissection  Sheep Brain Dissection
  Sheep Heart Dissection

Microscopes & Microscopic Life Projects

  Brine Shrimp Project  Counterfeit Money
  Experiment with Protozoa  Introductory Microscope Experiments
  Microscope Forensics  Mushrooms & Microscopes
  Observe Mold Up Close  Up Close with Crystals
  Microscope Slide-Making Ideas

High School Projects

  Bacteria: Gram Staining & Antibiotics  Bioassay Test for Toxicity
  High School Science Fair Projects

Early Elementary Science Projects

  Ant Science Projects  Animal Homes Science Projects
  Bird Science Projects  Bubble Science Projects
  Butterfly Science Activities  Baby Animals Science Projects
  Bird Science Projects  Bridge Science Projects
  Beetle Science Projects  Backyard Science Projects
  Circuit Science Projects  Chemistry Projects
  Comets & Space Science Projects  Crystal Science Projects
  Desert Science Projects  Energy Science Projects
  Earth Science Projects  Experiment with Light
  Flower Science Projects  Fall Leaf Science Projects
  Fossil & Dinosaur Science Projects  Force & Motion Science Projects
  Geology Science Projects  Gardening Science Projects
  Germs Science Projects  Hibernation Science Projects
  Insect Science Projects  Kitchen Science Projects II
  Ladybug Science Projects  Magnet Science Projects
  Mass & Weight Science Projects  Muscle Science Projects
  Nature Scavenger Hunt Project  Owl Science Projects
  Ocean Animal Science Projects  Paper Making Science Project
  Pond Life Science Projects  Pine Cone Hygrometer
  Rainbow Science Projects  Solar Energy Science Projects
  Simple Machines Science Projects  Sinking & Floating Science Projects
  Senses Science Projects  Snow and Hail Science Projects
  Seashore Science Projects  Sun and Planets Science Projects
  Skeletons and Bones Science Projects  Smelling Bee Project
  Tree Science Projects  Thunderstorm Science Projects
  Winter Science Projects  Weather Science Projects
  Rocket Pennies  Let's Look Closer
  Rockets & Flight   Easy Homemade DIY Snow Globe
  Snowy Science  Snowman Matters: Learn the States of Matter
  Hear Your Heartbeat Science Project  Eyes & Vision II
  Are Two Eyes Better Than One?