Showing Results for area of a rectangle using square units

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

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

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

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.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!