Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

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

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

This Christmas plate features your child's favorite holiday things through drawings. Make a Christmas plate with your child this holiday season.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This project examines how temperature affects the volume of gas in balloons.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.