Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This science fair project idea investigates the relationship between memory and age.

This science fair project idea investigates the hardness property of minerals.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Discover whether people can distinguish what a person looks like just by listening to their voice.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This experiment tests which gender is better at catching how a magician performs his tricks.

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?

This science fair project idea investigates the difference in reaction times between boys and girls.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project idea explores the fastest average speed a human can talk.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This experiment will explore the possibility of creating an infinite object by hand.

Explore the neural and mental mechanisms at play in mental imagery.

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.