This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

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

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea determines the probability of a coin landing heads or tails.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

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!

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.