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Make sourdough bread...and learn some colonial history and modern science in the process!

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project idea experiments with spinning color wheels and optical illusions.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

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

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.