Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

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

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.