Showing Results for -with-decimals

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!

This science project allows students to study the psychology of happiness.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Help your child add some flair to the family garden with pencil pinwheels!

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Slip some science into storm watching with a homemade rain gauge!

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin