2nd Grade Science Projects Activities : Page 3

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Do different types of oil mix or stack? Find out in this science fair project idea!

Science fair project that examines condensation and the conditions needed in order for dew to form.

Test whether plants can grow without sunlight and water.

This science fair project teaches students the differences between fruits and vegetables.

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science fair project teaches students about wilting and browning of salad greens.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Test your friends to find out if you can replicate the placebo effect's incredible results.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this science fair project, students use the streak test to tell minerals apart from each other.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!