Showing Results for more or less : Page 30

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science experiment tests if dog saliva can really help heal wounds.

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Help your child add some flair to the family garden with pencil pinwheels!

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Discover which fabrics shrink the most in the wash and why.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Use sticks and stones to create create an outdoor version of tic-tac-toe!

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

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

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

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.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

This science fair project idea explores whether color affects a person's emotional state.