1st - 4th Grade Science Projects Resources : Page 9

This science fair project idea provides evidence that air is everywhere and takes up space.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This project determines what category of person is most likely to be ticklish.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea explores substances that cause a bubble to last longer.

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

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

This science fair project idea investigates the difference in reaction times between boys and girls.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This biodiversity project examines the biodiversity in your own backyard.

This science experiment tests if dog saliva can really help heal wounds.

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

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

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

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