Showing Results for grade practice : Page 4

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

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?

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!

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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

This science research project challenges students to think of more effective lobster farming methods.

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

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

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

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

In this project students experiment with making music using only glasses of water.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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

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

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

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.