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Showing Results for two digit : Page 5

This science fair project idea experiments with spinning color wheels and optical illusions.

A Trick for the Eyes: Color Wheels and Optical Illusion Tops

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Light Intensity and Distance

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Taste Test Science: Fool Your Tongue!

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Pendulum Waves

Magic, science, or household cleanser?  Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Experiment with Sudsy Lemon Science

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Make Your Own Marshmallows

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

Spring Cleaning Science

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Ink Art

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Gluep: Solid or Liquid?

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

How to Make a Bouncy Ball

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Crystal Lollipops

This fun and interactive lesson will teach your students the scientific method to find out if something sinks or floats with a little help from Cookie Monster.

Sink or Float with the Cookie Monster

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Make a Paper Helicopter

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Fizzy Water

Sink or float? This simple lesson has students guess the densities of different objects and place them into water to test their predictions.

Matter: Sink or Float

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

The Impact of Distance on the Doppler Effect

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Celery and Food Coloring Experiment

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

Perform a Law of Motion Magic Trick

Try this chemistry experiment with your curious kid and get some "shocking" results!

Electric Science: Make a Battery!

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Disappearing Crystals: A Refraction Experiment

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Flying Potato

What do a bicycle and a car have in common? They both move using the simple machine wheel and axle. In this lesson, students learn about how this simple machine works, and will identify objects that use a wheel and axle.

Simple Machines: Wheel and Axle

This hands-on lesson will get your students to investigate some mystery liquids, and they will have to use their observational skills to figure out what they are.

Liquid Detectives

The science of matter becomes as fun as it is educational when George gets in the mix! After watching Curious George work with his 'floppafication' pot, students will learn about matter and force.

Curious Science with Curious George

Help your class gain a foundational understanding of matter by learning how to conduct inquiry and gain an understanding about the characteristics of gases. This lab will have your students amazed at what is really in the air. 


You Can't See Me!

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Make a Handwriting Analysis!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Foam It! Cause a Chemical Reaction

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Halloween Decorations: Make Ghouly Hands!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Make Meringue Science!

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Take the Paper Plate Snack Test!

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