This post may contain affiliate links.
Looking for FUN science projects for kids? Science is one of our favorite subjects around here. I have a huge list of over 100 easy science experiments for kids. You can use these classic science ideas when helping your child create their next science fair project. Kids will love these fun projects and experiments!
These science project ideas can be used for elementary school aged kids, middle school aged kids and some would even work for high school. Many of these science activities are quick and easy to put together and will not break the bank either.
I divided the science fair project ideas out the best I could by category for you. That way if there is a certain interest, you can find just what you are looking for.
All of these simple experiment ideas can be used in some way to create an awesome science fair project. Most are from my site, but many are from some other great bloggers! Want more ideas? See also my post with 200 + Elementary STEM Projects.
Easy Energy and Physics Science Fair Projects
Kinetic Energy with Rubber Band Boats– this science project is a blast to create with kids!
Kinetic Energy- Shooting Star Spinner– This is a fun one on kinetic and potential energy
Kinetic Energy Gravity Spinner – Do this experiment to show gravity!
Perpetual Motion Candle See Saw– This is a cool way to learn about motion!
How Does a String Telephone Work? ~Raising Life Long Learners
Which Cup Will Keep Water Cold the Longest? ~ Really, Are you Serious?
Light Refraction Science Experiment ~ Look We’re Learning
Heat Conduction Experiment ~ Look We’re Learning
Color Changing Sensory Bottle ~ The Science Kiddo
Light Box Magic ~ True Aim Education
Balloon Air Pressure Experiment ~ Darcy and Brian
Technology & Mechanical Science Projects for Kids
How do you Make a Potato Battery? ~STEAM Powered Family
Science Projects for Kids With Chemical Reactions
How Do you Grow Crystals? (borax crystals)
What is Non-Newtonian Fluid? (Oobleck Experiments)
Dancing Acorns ~ Hands-on Teaching Ideas
Color Changing Flowers Experiment ~ Messy Little Monster
Paper Burning Experiment ~ Preschool Powol Packets
How to Make a Paper Mache Erupting Volcano ~ Red Ted Art
Anatomy Science Fair Projects
Animal Digestion Experiment ~ Schooling a Monkey
Why We Need Muscles & Bones ~ I Can Teach My Child
How Do Lungs Work? ~ Sciene Sparks
Earth and Nature Science Fair Projects
How Can We Stay Dry During the Rain ~ Pink Stripey Socks
Soda Bottle Compost ~ Busy Mommy Media
Build a Sun Shelter ~ Buggy and Buddy
Hurricane Model Experiment ~Preschool Powol Packets
Easy Condensation Experiment – Look We’re Learning
Salt Water Density Experiment ~ The Science Kiddo
Plant Science- Observing Bulb Growth ~Buggy and Buddy
How to Make a Compass ~ Parenting Chaos
Why do Pinecones Open & Close? ~ Parenting Chaos
Leaf Transpiration Experiment– how leaves breathe
Pumpkin Petri Dishes ~ Hands-on Teaching Ideas
Rainy Day Science– learn about filtering rain water
Making a Solar Still– harness the power of the sun with this cool science experiment!
How Do Sharks Float? ~ Preschool Powol Packets
What Soil is Best fro Growing Seeds? ~ Schooling a Monkey
Simple Food Science Project Ideas
Popcorn and Salt Science Experiment ~ Awe Filled Homemaker
How to Make Plastic with Gelatin ~ STEAM Powered Family
Melting Ice Science Experiment ~ The Chaos and the Clutter
Green Eggs Food Chemistry (no food coloring required!)
How Strong are Eggs? ~ Hands-On Teaching Ideas
Hot Chocolate Science Experiment ~ Creative Family Fun
Bread Mold Science Project ~ Schooling a Monkey
Other Fun & Easy Science Project Ideas
Toilet Paper Comparisons ~ Pink Stripey Socks
Hockey Science Experiment ~ Creative Family Fun
I hope you found an idea that will work for you child’s next science fair project. I’d love to hear what you did and see pictures of the finished project!
This is part of the iHomeschool Network 100 Things link-up.