Showing Results for -word-problems-old

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?

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.

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

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.

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

This science fair project idea explores whether white light can be separated into different colors.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This science fair project idea explores which fruit molds the fastest.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.