3rd and 4th Grade Science Activities : Page 14

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Is your child a young ornithologist in the making?

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

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.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

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

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

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

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

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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?

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

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

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Try this chemistry experiment with your curious kid and get some "shocking" results!

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

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.