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Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

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

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

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

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Teach your child what a sugar plum is with this easy recipe that gets your child to chop, mix, and roll his way to a delicious treat.

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

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.