Showing Results for comparing-three-digit--old : Page 30

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Science fair project that tests whether cats have a preference for organic food.

This science fair project idea discovers the average time it takes for a person to remember something completely.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

Discover which method for odor removal words the best for stifling refrigerator odors.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

Is your child a young ornithologist in the making?

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

Examine the impact of insecticides on plant growth.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.