Need help encouraging your preschool child to organize her toys? Start with this activity, and turn sorting and categorizing into a fun game.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

Give your budding young observers a chance to discover simple machines at use in their own home.

By selecting a pattern and carefully repeating it on the entire surface of a pumpkin, your child will transform a simple garden vegetable into a work of art.

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Your first grader will improve her fine motor skills as she designs her own drum set with recycled household objects and art supplies!

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

Does your kid have a stash of sweets left over from Halloween? Turn that pile of candy into a learning opportunity with this sorting and categorizing activity.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

In this activity, your child will reflect on one role model in their life or research one historical figure that has displayed perseverance. Then, they will create a slideshow presentation or poster that defines and illustrates perseverance.

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

Sorting objects by size, color, shape, or function is an important concept in kindergarten math, and it's the perfect excuse for a little housekeeping!

This activity is a great way to practice sorting, counting, matching, and other early math skills--- on the fly.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Help your child reinforce the order of the alphabet with this hands-on activity using some everyday materials. It's a fun way to put a spin on a timeless skill.

Reuse old cardboard boxes and popsicle sticks to create a miniature sled that is perfect for pretend play with dolls or action figures.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Here's a fun math activity for your preschooler: play Sock Sort and help your pre-kindergartener recognize numbers!

Here's a delicious activity that lets your preschooler or pre-kindergartener prepare her own fun and healthy snack using cookie cutters.

This hands-on activity that involves arranging pieces of yarn will teach your pre-K child the concept of ordering items by length in an interesting way.

Boost your preschooler's math and verbal skills by having her participate in simple, fun activities that teach her how to sort, count, and categorize objects.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Get in the Halloween spirit with these simple, silly bat decorations!

Here's a preschool color collage activity to help your child work on their sorting skills, and create a beautiful addition to the refrigerator gallery.

Put your junk mail to good use! Armed with a stack ads and a few simple art supplies, your preschooler can make a cool poster for his room.

This simple experiment serves as an introduction to the greenhouse effect.