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Showing Results for simple compound and complex sentences 3

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

What Is a Compound Microscope?

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Animal Vision: Ocelli, Compound Eyes, and Camera Eyes

This project compares the strength of one, two, and three-ply toilet paper.

The Relationship Between Toilet Paper Ply and Strength

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Different Types of Rocks

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Amazing Aerodynamics

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Vinegar and Baking Soda Balloon

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Halloween Decorations: Make Ghouly Hands!

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

Cell Membrane

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

How to Press Flowers

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Homemade Submarine

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Third-Class Levers in the Human Body

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Understanding Absorption

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one  thing: baking powder!

Test the Power of Baking Powder

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

DIY Pinwheels

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Crystal Suncatcher

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Make a Keyhole Spy Glass

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Gymnosperms: Pine Cone Experiment

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Tangential Velocity and Circular Motion Experiment

How does frost form?  How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

How Does Frost Form?

Use simple items to create a kindergarten &quot;grow box&quot; that lets a kid see just how salad plants send down their roots and grow underground.

Watch Your Garden Grow

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

How Old is That Tree?

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Halloween STEM Building Challenge

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

The Science of Sound

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

Bleeding Paper

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Like Oil And Vinegar

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Design Challenge: Make a Rube Goldberg Machine

In this project students experiment with making music using only glasses of water.

Musical Glasses

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Make a Fistful of Slime!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Cucumber Carving

Young scientists will investigate people&#39;s preferences for saltiness, and make some inferences about genetics and diet.

Too Much Sodium?

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