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The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Invite your fourth grader to celebrate one of four holidays by creating a kid-friendly homemade Menorah, Advent Wreath, Kinara, or Diya!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science fair project idea investigates whether plants can survive being frozen.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Find out which kind of bubble wrap fares best when put in impact.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea explores substances that cause a bubble to last longer.

This project examines whether people's taste perception is influenced by what they see.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea examines which type of insulation holds in the most heat.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this activity your child will create their very own marble maze!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In honor of Black History Month, this activity encourages your child to focus on African American inventors, and do a little inventing of his own.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science fair project idea determines the most effective method of preserving food.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.