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

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

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

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

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

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!

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.