This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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

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

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

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

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

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

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.