Showing Results for science expanders : Page 8

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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.

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.

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

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

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

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.

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

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

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Help your child learn about animal classification with this fun and delicious activity.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.