Showing Results for hard

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

In this science fair project, students use the streak test to tell minerals apart from each other.

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 science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

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

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Take a dive into the candy jar with this yummy science experiment.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair project idea produces sounds by creating vibrations using different objects.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This science fair project idea investigates the difference in reaction times between boys and girls.

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

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

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.

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.