2nd and 3rd Grade Science Activities : Page 9

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.

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.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

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

I scream, you scream, we all scream for homemade spearmint ice cream!

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

Slip some science into storm watching with a homemade rain gauge!

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

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.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Help your child make a beautiful homemade sandcastle that will last!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

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