3rd Grade Science Projects Activities : Page 6

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Cleaning can be a chore, but not with this sudsy experiment!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

This science fair project idea compares biodiversity between drops of water.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This science fair project idea explores how length affects the weight a bridge can hold.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project idea explores whether white light can be separated into different colors.