Preschool - 6th Grade Science Activities : Page 9

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

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.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

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

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This science fair project idea determines which method of hand cleansing is the most effective.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!