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Showing Results for comparing sizes

Looking for a fourth grade worksheet to help your kid with astronomy? This printable will help him learn the relative sizes of planets.

Space Food

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

Comparing Implements for Writing

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 science fair project you will make a model of a cell membrane using very simple material.

Cell Membrane

Let your child explore the vocabulary associated with Earth's landforms with this colorful word search.

Find the Hidden Landform Vocabulary

Explore magnetism with this colorful science worksheet for third and fourth graders!

Identify Magnets that Attract or Repel

Discover how water flows in this informative environmental science worksheet!

What Is a Watershed? 

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?

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Eureka! Volume and the Displacement of Water

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Potato Chip Science: How Greasy Are Your Potato Chips?

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Under What Conditions Do Potatoes Sprout The Fastest

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Flower Prints

Examine the effect of pressure on carbonation in soda.

Building Up the Fizz in Soda

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets&#39; relative size!

Scale Model of the Solar System

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Do Butterflies Prefer Sugar Water, Salt Water, or Plain Water?

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Slinky Physics

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

All About Wood

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.

Measuring Raindrops

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Heat Conduction

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Folding Paper

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Form and Function

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Halloween Potions

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 about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Work and Energy

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

Chemical Indicators

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The Role of Fat in Food

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Eye Witness, You Witness

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