Preschool - 4th Grade Engineering and Science Inquiry Activities : Page 11

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

This project investigates the affect of storage temperature on microwave popcorn.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.