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Showing Results for pairs variables

If your child is studying life science, introduce her to all the strange animal pairs that work together in the wild.

Animal Pairs

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

Using Statistics to Predict Relationship Success or Failure

Learn about the animal kingdom with this centipede anatomy worksheet. Fun fact: Centipedes have either 15 or 17 pairs of legs, but never 16!

Centipede Anatomy

What is a robot? What can robots do? Computer programmers tell robots what to do by creating a sequence of commands. In this lesson, students work in pairs to program a robot to act out the story from the mini story book *My Friend.*


My Robot Friend

Your knowledge of static electricity doesn&rsquo;t need to be static&mdash;discover how it works in this engaging worksheet!

Investigating Static Electricity

Do you know how tornadoes form?This science worksheet diagrams what is known about what causes tornadoes to form.

How Tornadoes Form

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Rate of Evaporation

Students explore kinetic energy and temperature change through the lens of a fictional experiment with this two-page physical science worksheet!

Kinetic Energy and Temperature Change

Examine how a battery can be made from everyday materials.

Building a Better Battery

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

Do Bananas Give Birth to Maggots?  

Science fair project that tests whether cats have a preference for organic food.

Go Organic or Not?

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

What a Drag!

Introduce your child to the building blocks of life: DNA! This coloring page features a double helix structure, or a DNA strand.

DNA Coloring Page

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

Track the Prints  

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

Hydroponics vs. Soil: Which Is Faster?

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Seeing Different Images in Optical Illusions! Is It a Boy or Girl Thing?

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

What’s a Bug’s Favorite Color?

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

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!

Compare the Strengths of Magnetic Forces #1

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The Best Choice for Growing Large, Flowering Plants

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

Spores, Spores Everywhere!

The objective of this science project is to investigate patterns in fingerprints among family members.

Fingerprints?  Do Parents and Children Share Similar Components and Patterns? 

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

Projectile Distance as Related to Mass of an Arrow and other Factors  

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

Astonishing Apples! What Preserves Apples Best?  

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Soccer Physics: Does the Amount of Air Inside the Ball Affect How Far It Goes?

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

Fragile! Handle with Care! This Side Up!

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

Types of Energy

Experience some explosive earth science! Use this diagram to teach your child about the various parts of an active volcano.

Volcano Diagram

What's in the ground beneath our feet? Explore the science of soil with your child using this handy printable!

How is Soil Formed?

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

Light and Shadow

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