3rd Grade Science Activities : Page 2

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

Discover whether a metal will expand under hot water.

This science fair project idea investigates how magnetism can defy the force of gravity.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea explores whether talking to a plant will help it grow.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This science fair project idea investigates how color affects temperature.

In this activity your child will create their very own marble maze!

Help your kindergarten science maven explore the water cycle without getting everything wet.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Create a self-portrait from natural materials in this collage craft activity!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.