1st - 7th Grade Science Activities : Page 21

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

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

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

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

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

Determine if gender affects the ability to identify different smells.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

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

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

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!