2nd and 3rd Grade Science Projects Activities : Page 7

This biodiversity project examines the biodiversity in your own backyard.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project idea explores whether white light can be separated into different colors.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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.

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.

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

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

In this experiment we will be determining whether birds prefer certain colors of seed.

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.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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 experiment has students test whether a snail moves faster on concrete or dirt.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.