4th - 6th Grade Science Activities : Page 19

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

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.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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.

This science fair project will help students learn about non-vascular plants, such as mosses.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

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 idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Discover which fabrics shrink the most in the wash and why.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project idea investigates if fats add to the flavor of food.

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

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.