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Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Examine the effect of pressure on carbonation in soda.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

This science fair project idea explores the different properties of matter.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea explores the egg's thin membrane.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

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.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.