Engineering and Science Inquiry Resources : Page 5

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This project examines whether people's taste perception is influenced by what they see.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In almost every preschool classroom is a sensory table. Learn how to make one at home!

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Check out this cool science fair project on identifying rocks and minerals for kids.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!