Showing Results for lines line segments and rays

Construct and experiment with a periscope using reflected light rays to gather an image.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Using only straight-line sewing, your fourth can create a nifty felt pencil case perfect for his busy life.

Make a beautiful bowl out of printed lines of poetry that you can use to store everything from jewelery to candy.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Vincent van Gogh painted golden hued pictures of the harvest using bold lines and vibrant color. Your child can explore this style of art using oil pastels.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Don't despair if numerators and denominators seem like a bore to your child. This colorful collage is sure to show him the brighter side of fractions.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Most of us are familiar with haiku, but the tanka is an even older form of Japanese poetry. Learn to write a tanka poem with this activity.

Practice rhythm and rhyme with these step-by-step instructions for a pantoum poem!

Combat summer boredom with this easy and fun game. Race against each other to see who can fill their bucket the fastest using leaky cups!

The goal of this project is to create an exciting topographical map out of dough.

Looking for a simple, yet unique writing activity for your child on Valentine's Day? Try a hand at haiku!

Create a string of paper jack-o'-lanterns with this simple Halloween paper craft!

With a handful of craft supplies, your fourth grader can capture some of the artistic magic of the ancient Maya.

Ignite your child's creativity by having them design their own clay version of an alebrije, a traditional fanciful creature like the ones made in Oaxaca, Mexico.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Learn about the architecture of Asia by building your very own model of a pagoda!

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

In this science fair project, students make their own rain gauge to measure rainfall.

Do something totally unique and new with a pumpkin this year! Practice designing patterns with stripes, zigzags, or geometric shapes. The sky's the limit!

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.

Here's an innovative math puzzle that you can create with your fourth grade math student.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

Learn about how to write a couplet poem in this easy introduction to the classic poetry style.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.