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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Do you think heat can affect a plant's growth rate?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Science fair project that uses distillation to convert salt water into fresh water.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

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

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

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.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

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

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This science fair project idea measures physical dexterity as a function of temperature.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.