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Public Media for Central Pennsylvania

Lemon Batteries

Batteries consist of two different metals suspended in an acidic solution. Is it possible to use the acid in a lemon to power a light? Try it to find out!

Pattern Power

Practice creating and replicating patterns—an important math skill—with this simple activity.

Binary Bracelets

Using the binary code, you can show off your name on a really cool bracelet, keychain, or necklace.

Bouncing Egg

Change Everything You Think You Know About Eggs! We all know what happens when you drop a regular egg on the ground. When you add vinegar (and some patience), you end up with a bouncy, squishy object!

Smooshy Slime

Who doesn’t love slime? Slime is oobleck’s ooey-gooey cousin, and another example of a non-Newtonian fluid. When all of the ingredients in this activity are combined you get a squishy substance that is fun to stretch, shape, and smoosh. Try it!

Dancing Raisins

Learn about density and displacement with this fun, easy experiment. Turn on some tunes and discover how raisins bust a move!

The Life and Legacy of Martin Luther King, Jr.

Historians reflect on the life and legacy of Dr. Martin Luther King Jr. and his role in the Civil Rights Movement.

Analyzing King’s “I Have a Dream” Speech

In this video, schoolchildren take turns reading from Martin Luther King, Jr.’s famous “I Have a Dream Speech” on the steps of the Lincoln Memorial.

Martin Luther King Day

The third Monday in January is a national holiday observing the birthday of Martin Luther King Jr. Learn more about this leader of the civil rights movement and about how we honor him today.

Mission: Materials Science

Materials science is the study of stuff— what it’s made of, how it can be used, and even how it can be changed to create new kinds of stuff. Your mission? To learn how materials science and engineering is at work all around you.

Drawing Together: STEM Integration Through Drawing Experimentation

with Aaron Knochel and HUB-Robeson Galleries

Explore how drawing can bring STEAM concepts to life for your elementary students! This workshop will provide opportunities for all educators to become comfortable integrating mobile technologies and simple machines, allowing students to create their own expressive artwork.

Participants will receive a FREE resource to support their STEAM practice at home or in the classroom. Act 48 credit available.

Density Tower

Make colorful layers using liquids of varying densities, then experiment to see which items sink or float to each layer!


Magic Milk

When food coloring and soap are added to whole milk, strange things happen. Will the same thing happen with kinds of milk that have different fat contents?

Food Inc.: The Dollar Menu

In Food, Inc., filmmaker Robert Kenner lifts the veil on our nation’s food industry, exposing the highly mechanized underbelly that’s been hidden from the American consumer. Watch and discuss the economics of the food industry and how the cost of foods affects their choices.

Are Viruses Germs?

What we call “germs” are actually a group of different kinds of microscopic organisms. What are they and what steps should you take to protect yourself?

Washy Wash

Hand washing keeps us healthy. Be like Elmo and make sure to wash your hands often for at least 20 seconds—just enough time to sing this song once!

Plaster Casting

Can you make a plaster cast like a crime scene investigator? You can set up your own mystery, or just have fun making plaster casts out of anything you want!

Grow a Snowflake 

Create a snowflake shape out of pipe cleaners and then dip your design in a special liquid – over time crystals will form. 


Water Filter 

Make your own water filter! You’ll be able to remove dirt, heavy metals and chemicals from filthy water! 


Marvelous Meringues 

Beating egg whites causes an amazing change. When you add sugar and bake them, more changes happen! Go from slimy egg white to fluffy foam to a crunchy solid and delicious cookie while learning about the science behind the marvelous meringue. 


Popsicle Stick Explosion 

Woven popsicle sticks are a blend of art, math, science and just enough mischief to make it an engineering feat of awesomeness! 


Homemade Snow Globe 

What does your winter wonderland look like? Bring it to life by creating your own snow globe. 


Button Snowflake  

Add some kid-friendly decoration to your home with these ornaments made from popsicle sticks and colorful buttons.  


How Does Your Phone Send Emojis? 

The physics of smartphones is a complicated and amazing mixture of engineering, physics, electronics and computer science. 


Dental Decay 

Tooth enamel is tough but can be eroded by acids in your mouth. Test the acid levels in your favorite drinks with pH test strips, then soak shark teeth or eggshells in each drink to see if the acid weakens tooth enamel. Try it! 


PBS Kids Scratch Jr. 

Is your child interested in coding? The @PBSKIDS ScratchJr app is a fun way to teach kids coding skills using the characters they love!  


Mentos Explosion 

Are you ready for a blast? What is the secret behind the reaction between carbonated cola and little mint candies that makes such an explosion? Try it! 


Why Are There So Few Women in Computer Science? 

Today, we think of computer science as a field dominated by men, but women have a long and important history in the field. So what changed? 


Density Tower 

Make colorful layers using liquids of varying densities, then experiment to see which items sink or float to each layer! 


Supporting Language Development through Media

with Dr. Allison Henward and Yeojoo Yoon

Classroom play often involves popular media culture. Is the use of media helpful to children’s development? Is it appropriate to bring media culture into the classroom? We will explore how to use media to support children’s language development and the challenges and possibilities they bring.

Interfaith Holiday Traditions 

When Christmas and the first night of Hanukkah fall on the same day, interfaith families who observe both holidays face an unusual challenge. Learn how one interfaith family balances their two faiths. 


Magic Milk 

When food coloring and soap are added to whole milk, strange things happen. Will the same thing happen with kinds of milk that have different fat contents? 



Plaster Casting 

The Science-U campers used plaster casts to determine who left shoe prints at the scene of the crime. You can set up your own mystery, or just have fun making plaster casts out of anything you want! 


Wildlife Research 

Learn how rehabilitators and veterinarians at the Wildlife Center of Virginia treat tens of thousands of wild animals each year and are often the first to notice trends that contribute valuable insights to overall wildlife health using data from the patients admitted to the center. 


“Get Out the Mad” Cookies 

How do you talk with your children about managing their feelings? This activity encourages children to knead and pound dough as one way to talk through and deal with feelings like anger and frustration.  



Does saliva really wash back into the milk carton from your mouth when you take a drink? Test it for yourself using powdered drink mix and see what happens! 


Holiday Food Traditions From Around the World 

Many of us treasure our holiday food traditions, especially if there’s a family recipe that has been passed down through the generations. Explore food traditions enjoyed by families around the world during the holidays, and maybe add some new recipes to your holiday traditions! 


Celebrate Japan’s Oshogatsu Holiday 

Oshogatsu is the most important holiday in Japan and is a celebration of the new yearLearn about the traditions of this special holiday, and how to make Ozoni, a one bowl soup that is a central dish of the holiday. 


Blood Pressure 

Do you know what your blood pressure is? Learn how to use a stethoscope and a blood pressure cuff to measure blood pressure. Can different activities change blood pressure? Gather a group of friends and try it! 


Molly’s Winter Kitchen 

Help Molly of Denali and her mom prepare traditional foods to last all winter! Learn about different ways of preserving foods like moose stew and blueberry jam.  

Bath Fizzies 

Splish splash, let’s do science in the bath! Make your own bath fizzies and have fun exploring chemical reactions while taking a relaxing soak! 


Simple Sorting At Home 

Use this activity to help your child notice differences, follow simple directions, sort objects, and identify patterns. These are important steps for data collection and analysis – which are a part of the scientific method! 


Make a Comet 

Some scientists call it a “dirty snowball in space”. You can make your own comet with a mixture of materials that might surprise you. 


A History of Thanksgiving 

Take a trip through time and learn about the origins of Thanksgiving and from the original colonists through the proclamation of a national Thanksgiving holiday. 


Reaction Time 

How fast does the eye send messages to the brain and the brain send messages to your hand muscles to react in time to catch a falling object? Find out using the ruler test! 


Why Is Pumpkin Spice So Good? 

Pumpkin spice lattes, pumpkin spice cookies, pumpkin spice cereal… why is it in the fall we just can’t get enough of the good stuff? Margaret shares why we love everything pumpkin spice. 


Flashlight Constellations 

For thousands of years, humans have looked up at the sky and told stories about the stars twinkling in the night. In this activity, your child can learn more about several well-known constellations as you talk about the stories and science behind them. 


Gratitude Jar 

A gratitude jar is the perfect project to help your child express thankfulness! As they draw the things for which they are thankful, add the drawings to the jar and watch the collection grow.  


Strawberry DNA 

All living things store genetic information in DNA, but can you actually extract DNA from a plant and see it with the naked eye? 


Magnificent Mimicry 

Mimicry occurs when a plant or animal looks like another species to help it survive. Try this experiment to explore how Viceroy butterflies use mimicry to trick predators!