Kindergarten - 3rd Grade Science Activities : Page 5

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.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Have your child kick off their summer vacation by making a miniature water slide!

How powerful is the reaction between baking soda and vinegar? Find out here!

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.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This science fair project idea determines what household items are good conductors of electricity.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.