Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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

In this experiment we will be determining whether birds prefer certain colors of seed.

In this science fair project, students use the streak test to tell minerals apart from each other.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Test whether plants can grow without sunlight and water.

Make a spring collage with your child to get them outside and those creative juices flowing!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea determines the most effective method of preserving food.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science fair project idea produces sounds by creating vibrations using different objects.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea investigates how color affects temperature.

Examine the effect of pressure on carbonation in soda.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project investigates why the number of visible stars changes from place to place.

In this science fair project, students create their own miniature salt flats at home.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.