Showing Results for common 3 : Page 14

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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

Find out which type of sponge holds the most water.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Start your toy engines -- this is going to be a fast and friction-filled race!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water