Showing Results for comparing-three-digit--old : Page 43

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

These bean bag games are a fun and inexpensive way to keep your first grader learning! Work on social skills, coordination, math, or even spelling!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Let your third grader newscaster practice presentation skills with this video "card" to celebrate Dad this Father's Day!

Help your kindergartener use a map to find "leprechaun gold"--and build early social studies skills in the process!

Serve this seasonal carrot salad at Easter brunch this year, and it just might hop onto your family's list of healthy favorites.

Here are two streamlined breakfast ideas so that mom not only gets a delicious breakfast for Mother's Day, but a clean kitchen too!

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Here's a guide to starting a community clean-up project from scratch.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Helping your child learn to read doesn't only have to mean using books from the library or from the store. You can make a book of your own - a nonsense book!

Here's a creative and engaging activity to get your child on track with that pesky little line.

In kindergarten, your child spent lots of time counting things one by one. But in first grade, he'll need to be able to count in groups, especially by fives.

Encourage your child's interest in other cultures by helping him create his own colorful prayer flag inscribed with a special message for the world.

Help your child learn the language of mathematics through cupcakes with this fun counting activity.

What are the rules of your home? Help your fifth grader draft a Family Constitution and even give it an aged look using soaked tea bags.

Explore the positive and negative shapes of a piece of fruit or a vegetable by doing a contour cut-out drawing.

Create a bee garden to help shelter bees in your area.