Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This project explores whether music affects the growth and health of plants.

How powerful is the reaction between baking soda and vinegar? Find out here!

This project examines the concentration of dissolved oxygen in water, with and without oil.

Science fair project that cultivates slime mold and monitors the stages of its development.

This science fair project idea discovers the effect of (high) heat on animal cells.

This project compares different liquids and the freezing, melting and boiling points of liquids.

This project tests the hypothesis that dark colors absorb more heat than light colors.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Learn about emulsification and bile's roles in digestion, and investigate how the digestive enzyme lipase breaks down lipids.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

These pretzel reindeer cookies are a great holiday recipe for kids to make. Rudolph and the whole gang agree!

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.