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100+ Easy Science Experiments for Kids

These very simple science experiments are parent & teacher approved and kid-tested fun.  Do not worry if you do not have all the answers, these science activities, projects and experiments will get kids asking questions and searching for answers.

Over a million kids have tried and loved these activities in the last year.  It is so fun to think about the smiles, giggles and discoveries made at home and in the classroom.  I can't wait to hear what your kids think!

What is a Kids Science Experiment?

Scientists complete a series of steps to see if what they think (hypothesis) might or might not be true.

It is the same for kids!  Yes, the process may be simpler with more common household items involved, but the main question is the same!

Kids, like scientists, can observe, modify and chart results and decide if the hypothesis is supported.

Instead of a laboratory, Kids Activities Blog's scientific experiments can be done in the kitchen, the dining room, the backyard, the park...or anywhere else your science takes you!

How to Introduce Science to Kids

Preschoolers and kids of all ages are attracted to science because of their natural curiosity and their need to know WHY!  When introducing science to preschoolers, you want to use this!

No need for lectures.

Kids love to play with science!

Hands-on learning with things around the house will build on simple science concepts they have already figured out.

If you are looking for science fair projects, then you have found a great place to start.  You will need an idea, a question, an experiment, study of the results and then a way to display it at the fair -- usually on a poster board!

Grossology Science for Kids Virtual Tour - Kids Activities Blog

Grossology is the Science of Really Gross Things…Awesome!

DIY Bouncy Balls will keep your kids entertained for hours. Best yet, many of these can be made with items you already have around the house.

DIY Bouncy Balls

When you drop a penny from the empire state building video - Kids Activities Blog

What Really Happens If You Drop A Penny From The Top Of The Empire State Building? [Video]

50 Science Games for Kids from Kids Activities Blog

50 Science Games for Kids that Make Learning Fun

wasp in a fig video about whether figs have wasps from Kids Activities Blog

Are There Dead Wasps In Figs? We Have the Fig Wasp Story & Video

20 of the Best Gifts for Preschoolers

how to make ferrofluid

Magnetic Mud Science Experiment

Holiday Wreath DIY Steam Kit To Make With Kids

Build a Bridge: Testing Bridge Design {Science Activity}

Gross Earwax Snacks and Science Experiments for Kids

simple anatomy lesson

Learn About the Heart {Simple Anatomy Lesson}

kinetic energy stem activity jumping frog (2)

Origami and Kinetic Energy- Stem Activity

Spinning Marbles

Inertia and Spinning Marbles

Make Art With Baking Soda And Vinegar!

Paper Plate Marble Maze

How to Make a Simple Paper Plate Marble Maze

30+ Fun and Educational Ways to Learn About the Moon

30+ Ways to Learn About The Moon

lego stem balance

LEGO Balance Scale STEM Project

Easy Solar System Model With Printable Template | Kids Activities Blog

Easy Solar System Mobile Project for Kids

How to Make a Super Cool Lemon Battery For The Science Fair

How to Make a Lemon Battery

15 Fun Science Activities For Kids - Kids Activities Blog

15 Fun Science Activities for Kids

Make Science Fun With This Red Cup Stem Challenge

Red Cup STEM Challenge for Kids

50 Kids Science Fair Project Ideas for All Grades and Ages

50 Science Fair Project Ideas for Elementary to High School Kids!

Fun Candy Corn Science Experiment Printable Recording Worksheet

Candy Corn Science Experiment Worksheet

Super Cool Color Changing Milk Experiement For Kids

Color Changing Milk Science Experiment

15 Amazingly Awesome and Easy Catapults to Make With Kids

15 Easy Catapults to Make With Kids

Fun and Educational STEM Paper Airplane Challenge for Kids

STEM Paper Airplane Challenge

SpaceX Rocket Launch V2

Here Is How To Download The Coolest SpaceX Rocket Launch Printables

Mars Rover Perseverance

Science lovers: Get these Mars Mission 2020 Perseverance Rover Printables

cereal box solar eclipse viewer

How To Make a Solar Eclipse Viewer

Solar Eclipse Activities for Kids

Solar Eclipse Activities for Kids

Flashlight Solar System

magnet activities

Magnet Activities – the most fun your kids can have with a handful of junk

Outer space

NASA Released Free Outer Space Activities Including How Your Kid Can Become An Astronaut

Make giant test "sheets" to test pH using cabbage, papertowels and a collection of acids/bases.

Use Science to Tie Dye {It’s a pH Test}

Erupting Soap

How To Make Erupting Soap in the Microwave

Kids Crayon and Watercolor Resist Art Project

Rainbow Sponge Painting Art & Painting Tips for Kids

Magnetic Slime

Magnetic Slime

25 Math Activities for Kids who HATE Math

This Pine Cone Bird Feeder is a Great Winter Craft

Step-by-Step Guide for Making a Great Science Fair Poster

How to Make LEGO Spaceships

science experiments for kids - 20 of them

20 AWESOME Science Projects

10 Great Gifts for Kids Who Love Science

10 Great Gifts for Kids Who Love Science

Tug of War Game for Learning about Friction and Mass

Tug of War Science Game for Learning about Friction and Mass

Playdough Color Science Game for Learning Colors

halloween science experiments

23 Awesome Halloween Science Experiments To Do At Home

16 Robots Kids can Actually Make

Snackable Science Experiments for Kids

2 Air Pressure Experiments for Kids – Easy Hands-On Science

What is static electricity?

25 Fun Weather Activities and Crafts

25 Fun Weather Activities and Crafts for the Whole Family!

Fun Summer Science Activities for Kids

{Easter} Egg Experiment for Kids: Raw or Boiled

Egg Experiment for Kids: Raw Egg or Boiled Egg?

Homemade Ice Cream in 15 Minutes

Homemade Ice Cream in a Bag

teaching kids about the earths atmosphere

How to Teach Your Kids About Earth’s Atmosphere

taste experiment with juice

Simple Taste Science Experiment for Kids

How to Build a Volcano

At Home STEM Camp

At Home STEM Camp for Kids

Exploding Baggies

Exploding Baggies Science Experiment for Kids

10 Craft and Activity Subscription Boxes For Kids Compared on Kids Activities Blog

12 Subscription Craft Boxes for Kids Compared

Marbled Easter Egg Art

Make Watercolor Art with Markers

Green Kid Crafts

Simple Kitchen Science with Green Kid Crafts

14 Fun Halloween Sensory Activities

14 Fun Halloween Sensory Activities

Homemade Bubbles Using Sugar

A Liquid That Pours Itself! The Self-Siphoning Fluid: Polyethylene Glycol

Color Spray – Science through Art for Kids

15 Amazingly Awesome and Easy Catapults to Make With Kids

Easy {and Fun} Catapult for Kids to Make

Naked Egg Experiment

{Extra Gross} Naked Egg Experiment

The 101 Coolest Simple Science Experiments

green works stembox

Green Works StemBox Science Experiment

20 Ways to Explore Science With Food

20 Ways to Explore Science With Food

This Metal Melts In Your Hand!

This Is How You Can Make A Fire Tornado At Home!

{Colorful} Egg & Chalk Paint Recipe

free edu apps for kids

FREE Educational Apps for Kids

Games With Ice: Dinosaur Breakout

Make Neon Rice - it glows with a black light!

How to Make Neon Colored Rice

science video experiments

10 Science Experiments You can’t Help but Watch

Physics Science Fair Project – The Egg Drop

Science Experiments That Are Soda-errific!

What Happens When You Mix Coke With Liquid Nitrogen? Biggest Blastoff EVER!

What Happens When You Mix Coke With Bleach Will BLOW YOUR MIND!

science experiment with oil and water

Simple Science Experiment for Kids with Oil and Water

Frozen Ice Castles from Sand Castle Molds

Oliver’s Science Lab Teaches You How To Make A Tornado In A Jar!

{Wacky} Physics Experiment

Make a Water Siphon

Bath Tub Science Fun – Floating Cupcakes

100 things to spot in the sky at night

15 Books for Kids About Space!

Watch it go! Science Fair Project Idea

DIY spy kit in a box

DIY spy kit in a box

Over 27 Space Activities for Kids

10 weather science experiments

10 weather science experiments

75+ Ocean Activities

science activitiy subscription box for kids

Space Scouts – Subscription Boxes for Kids

easy baking soda experiment for kids

Totally Awesome Kids Science Kit {You can make it!!}

Green Kid Crafts Subscription Box for Kids

Gift that Keeps Giving – Green Kid Crafts

Kiwi Crate Tinker Crate

Tinker Crate from Kiwi Crate: Engineering Fun in a Box

Pumpkin Science What Happens to a Rotting Pumpkin

What happens to a rotting pumpkin?

150 Kids Science Activities

magnetics toy review and diy case

Magnetics: Magnetic Toy Review

8 {Kid Friendly} Science Labs

dye art for kids by Michelle McInerney of MollyMooCrafts for KidsActivitiesBlog

Dye Art Projects For Kids – cool results, so easy to do

12 Preschool Science Experiments

11 Ideas for Learning with Legos

11 Ideas for Learning with Legos

10 Easy Preschool Science Experiments

10 Easy Preschool Science Experiments

12 weather activities for kids

12 Hands-On Weather Activities for Kids

12 Fun Light Play Activities

14 Ways to Bring The Ocean Inside

{Best Blog} STEM Mom

atoms for kids

Atoms & Molecules: 10 Fun ways to learn

how to answer kids science questions

How to Answer Kids Science Questions

Science of Fire

The Science of Fire

8 Fun Ocean Activities

8 Fun Ocean Activities

how to make a bouncy ball - Kids Activities Blog

DIY For Kids {Make a Bouncy Ball}

Explore an unnatural trail {Nature activities for kids}

Take a Nature Walk on an Unnatural Trail {Conservation for Kids}

12 Ways to Play with Science featured on Kids Activities Blog

12 Ways to Play with Science

5 New Oobleck Experiments for Kids from Kids Activities Blog

5 Fun Oobleck Experiments

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