4th and 5th Grade Science Activities : Page 18

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Construct and experiment with a periscope using reflected light rays to gather an image.

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.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Learn whether writing things down really makes things easier to remember.

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

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Find out whether putting something on top of a plant will inhibit its growth.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

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

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Help your child plant a "tea garden": a garden made of herbs for making teas.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

In this science fair project you will make a model of a cell membrane using very simple material.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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