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Showing Results for comparing and...

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

Comparing Matter #1

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Comparing Implements for Writing

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

A Denser Coke

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Decomposition Rates of Biodegradable Materials

In this worksheet, kids learn about basic physics concepts like mass, momentum, and velocity by applying them to a popular winter sport: slalom skiing!

The Physics of Slalom Skiing

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Does Storing Cucumbers and Tomatoes in the Fridge Spoil Its Unique Flavors?

Discover how plants survive in the desert with this third-grade habitat worksheet!

Habitat Highlights: Desert Plants

Practice describing different objects and substances in this colorful worksheet!

Describing Matter #3

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or <em>matter</em>, with this second-grade science worksheet!

Describing Matter #1

Why do some desert animals have large ears? Why do others have scales? Learn the answers to these questions and more with this life science worksheet!

Habitat Highlights: Desert Animals

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Helicopter Seeds

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

All About Wood

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Compare Cotton and Nylon Absorbency

Mad scientists! In this lesson, your students will explore electrical circuits and engage in a hands-on activity to create them. They will identify the differences between parallel and series circuits.

Mad Scientist: Electric Circuits

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Floating Eggs: A Pre-Breakfast Experiment

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Natural vs. Artificial: Can You Taste the Difference?

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Preservatives in Food

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

An Average Day's Walk

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Fingerprint Analysis: A Family Case Study

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Magnetic Field Strength vs. Distance

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!

Series and Parallel Circuits

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Effect of Pollution on the pH of Rainwater

This biodiversity project examines the biodiversity in your own backyard.

Biodiversity Project

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

What Doesn't Belong? A Categorization Game

Walk, sleep, run, eat! We're constantly using energy, whether we're moving or not. In this lesson, students learn how their bodies are constantly converting potential energy into kinetic energy and kinetic energy back to potential energy.

Potential And Kinetic Energy

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Can Hydrogel Crystals be Used as a Sensitive Humidity Indicator?

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Invertebrate Ecology

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

The Science Behind Keeping Flowers Fresh

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

How to Make a Hygrometer: Sling Psychrometer

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Chemical Indicators

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