3rd and 4th Grade Science Projects Resources : Page 7

This science fair project teaches students about wilting and browning of salad greens.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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 examines which type of insulation holds in the most heat.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Determine if gender affects the ability to identify different smells.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

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

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This science fair project idea explores the egg's thin membrane.

Discover whether cold or hot water from the faucet will boil faster on the stove.

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

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project idea investigates the hardness property of minerals.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.