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Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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

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

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

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

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

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

In this science fair project you will make a model of a cell membrane using very simple material.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

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