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

Here are 3 inexpensive ways for kids to make their own beads, from scratch.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

This project concerns activity happening millions of miles away, on the sun.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This science fair project idea sheds some "light" on which color of candles burn the longest.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Guide your middle schooler through making his own papier-maché witch or wizard puppet. Move over Harry Potter!

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.