Showing Results for science expanders : Page 20

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

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

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Teach your child how butter is created by shaking up cream the old-fashioned way.

This project investigates the affect of storage temperature on microwave popcorn.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

In this project children practice the scientific method while playing with puffy paint.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?