Showing Results for -word-problems : Page 7

Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Making your own glass cleaner is easy, effective and inexpensive!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

In this science fair project, we will test how different kinds and shades of hair respond to bleach.

Transform your uncomfortable wooden shoes into charming mini planters!

This science fair project idea explores how far the average human can see.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

This science fair project idea explores whether the color of surroundings affects human mood.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Explore the wattage of microwaves in relevance to cooking time.

Brighten up your home with this fun activity! Make a summer sun print and teach your child the art of easy print making.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

Discover which battery composition (type) lasts the longest.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Explore convex and concave objects and how they reflect light.

Demonstrate how to tell the age of an egg without having to crack it open.