The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Help your kindergarten science maven explore the water cycle without getting everything wet.

In this project children practice the scientific method while playing with puffy paint.

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.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

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

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.