The project is to investigate yeast fermentation and its results on hand of latex balloons.

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 if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea researches the effects of acid rain on plant growth.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Find out whether putting something on top of a plant will inhibit its growth.

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 idea determines if the temperature of rubber effects how high it bounces.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

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.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Help your child learn about animal classification with this fun and delicious activity.

Science fair project that examines condensation and the conditions needed in order for dew to form.