3rd Grade Science Activities : Page 8

This biodiversity project examines the biodiversity in your own backyard.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

Is your child a young ornithologist in the making?

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

I scream, you scream, we all scream for homemade spearmint ice cream!

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.

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.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

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.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

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.

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!