Showing Results for within 25 and rectangular arrays

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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

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.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.