3rd and 4th Grade Science Resources : Page 21

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Find out whether putting something on top of a plant will inhibit its growth.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Do different types of oil mix or stack? Find out in this science fair project idea!

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

In this science fair project, students create their own miniature salt flats at home.

Discover whether a metal will expand under hot water.

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

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.