3rd and 4th Grade Engineering and Science Inquiry Resources : Page 8

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.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.