1st - 4th Grade Engineering and Science Inquiry Resources : Page 5

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!

This science fair project idea determines if the color of light affects the growth of plants.

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

This science fair project idea explores the different properties of matter.

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.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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.

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

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.

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.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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

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.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea explores substances that cause a bubble to last longer.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this activity your child will create their very own marble maze!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This science fair project idea investigates how color affects temperature.