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Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

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.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

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

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

This science fair project examines whether ocean water can be made safe to drink.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.