3rd - 7th Grade Science Activities : Page 3

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.

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

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.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Find out whether packaged seeds actually do expire in this new science fair project idea.

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

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

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!

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

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

Take a dive into the candy jar with this yummy science experiment.

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

The goal of this project is to create an exciting topographical map out of dough.

Discover how and which salt melts ice the quickest.

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

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

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

In this project, you will observe and record changes in sunspots over two weeks.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.