FREE Admission and FREE Parking!

March 13, 2021, 10 am to 4 pm
Sonoma County Fairgrounds, Santa Rosa, CA
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Exhibitors / Activities for Saturday, October 28, 2017

Here is the list of fun, fabulous, and zany exhibits (or activities) that will be at the North Bay Science Discovery Day.  Each exhibitor offers a wonderful hands-on activity for kids -- just for them to get excited about STEM (Science, Technology, Engineering, and Math). Come back again to this site and watch the list grow! For details on being an exhibitor as well as participant lists from previous years, go to exhibitor information.

How is our air polluted?

Check how our air gets polluted and what can be done to protect it.

What is happening to the honey bees?

Check out thousands of bees in an active bee colony. Discover the challenges honey bees face with habitat loss and pesticide usage.

What makes a bird a bird?

Discover the difference of feather types, habitats, bone structures, and more! Use the strength tester to see exactly how strong eggs can be.

How does a Pinewood Derby work?

Check out Boy Scout activities such as Pinewood derby, rain-gutter regatta, rope making, astronomy, camping, and much more.

Bubble Man -- Fred

Why are soap bubbles science?

Make your own giant bubble and learn why this can happen.

How does vision trouble affect your mind?

Wear double vision glasses while doing an experiment.

How can you make instant ice cream?

See how ice cream is made instantly using liquid N2, and have a taste, too!

Feel and look at the insides of a giant Humboldt squid.

Can you inflate a balloon with a bottle?

Use the chemical reaction of combining baking soda and vinegar to create a gas. Then inflate a balloon.

How do plant seeds get to where they are going to grow?

Check out all the different kinds of seeds and how they are dispersed.

How does animation work?

Use zoetropes and iPads to make short animated sequences and understand the science behind creating the illusion of movement and animation.

Can you build structures with newspaper?

Create geometric shapes out of newspaper rolls. Find out how strong paper can become when you build a structure out of it

Can you see climate change?

Experiment with how Earth naturally cools off emitting long wavelength infrared to space, and explore the incoming energy of the Sun.

How does an electric battery work?

Watch how to make your own battery at home and see solar panels at work

Do you want to learn more about local plants and wildlife?

Touch tide pools animals and taxidermy animals.

Can you identify mountain lions and bobcats?

Check tracks, signs, and props and use predator research techniques to identify Bay Area wildlife.

How do you engineer paint?

Discover how chemical engineers can create paint using simple household materials. Explore consistency, color, and proportions as you perfect your paint.

How sun safe are you?

Create a UV Bead Bracelet and see how they change colors depending on the light. Keep sun safe!

Why is measuring electronic signals important?

Measure the reliability of your cell phone and tables with testing machines.

What can you learn from our skulls?

Explore hands-on the skulls and skeletons from animals right here in Sonoma County.

Can you train your brain to work more efficiently?

Participate in brain training activities to strengthen attention and memory with improved visual processing.

Use Strawbees to design your own colorful geodesic dome and sphere.

How can you engineer a geodesic dome and sphere?

Have you been inside a cell or swam with whales?

Use Virtual Reality to explore gravity and physics and the interactive worlds of artificial intelligence.

Have you ever wanted to be a heart surgeon?

Dress up as a physician and use real medical devices on a fake patient. Track angioplasty balloons and more!

How are bouncy balls, Gal, and Slime made?

Create a variety of polymer toys using simple chemistry. Customize them with color and sparkles.

Can you walk on liquid?

Attempt the impossible and walk on water without sinking while learning about fluid dynamics.

What does your heart look like and how does it work?

Watch a heart dissection. Look through stereomicroscopes and learn about the heart.

How do sound waves interact?

Change the physical relationship of loudspeakers and observe constructive and destructive interaction.

New York Life

How are fingerprints still relevant in forensics?

Get free digital fingerprints for kids.

NOAA Cordell Bank National Marine Sanctuary and UC Davis, Bodega Marine Lab

How does burning fossil fuels affect marine life?

Check out demonstrations and visuals showing how ocean acidification affects ocean life.

North Bay Science Challenge

Can you build a paper whirlybird that descends slowly?

Build a paper "helicopter" and drop it while standing on a step stool. 

What is it like to sit in a Blue Angel Cockpit?

View an Fj-4 Phantom Blue Angel cockpit up close and even sit in it!

How does a paper airplane fly?

Fold the best paper airplane in the world and learn different aspects of aerodynamics.

What plants and animals are found in Northern California?

Match scat and replica prints to animal photos. Check out animal skulls, furs, and plant samples.

Can you imagine how big a whale is?

Enter the belly of a whale!

What is Geospatial Technology

Use Trimble Juno Handheld computer for a geocache activity and learn GPS technology and how it works.

What will you create?

Use computers and play with Minecraft games to build electronics.

What does life look like in a beehive?

Look inside a beehive and watch the exciting and busy life of bees.

What will you make with LEGO?

Use LEGOs to continue building a growing city with possibly a battle track station and race car track.

What is the nearest star to the Earth? What are comets composed of?

View the sun and build a comet.

How can a robot autonomously stack blocks?

Drive a robot and stack blocks and watch one doing it autonomously. Get hands-on experience with robots!

What can a robot do?

Check all the things that a robot can do.

How does an airboat work and why do we need them?

Build your own mini airboat to see how they are propelled by air. Climb on board a real airboat!

Can you predict the pH of an unknown substance?

Test samples and make predictions about an unknown substance.  Decide if it is a valid test for clean tap water.

What makes things explode?

Watch the exciting fountain of spray that happens when Mentos and Cola are mixed.

How does a drone fly?

Watch the drones perform delicate maneuvers above and around the area.

Where can you find science?

Experience hands-on science with elephant toothpaste, fake snow, magic sand, light refraction, and more.

How does conductive paint work?

Build an electric circuit using conductive paint. Add a battery, a switch and an LED, and you have a fully functioning circuit that lights up!

How do solar panels produce energy?

Check out the use of a solar panel that is connected to a fountain.  See how solar creates energy.

How can the Sun heat, cool, and power our lives?

Experience the power of sunshine through solar etching, assembling a solar fountain, experimenting with solar cells, and cooking with a solar oven.

How does the Internet get to your door?

Use fiber optics and electricity to see how the Internet travels.

Where does energy come from?


What is amateur radio?

Discover the art and science of radio.

How do invertebrates indicate watershed health?

Look for aquatic macroinvertebrates in a container of Russian River water and discovery water quality (or not).

What lives in the watershed?

Take a walk through the watershed and hold live insects and critters, and check out skins and skeletons.

How do robots talk to each other?

Use basic math concepts for robots to talk to each other.

Can you see germs on your hands?

Put "germs" on your hands and see how well you can wash them off.  Use black lights to check results.

How does plastic trash impact marine life?

Dissect albatross boluses, do a fun trash decomposition activity, and view phytoplankton.

What is your immune system and how does it work?

Match receptors with the correct target to simulate the role of shape-matching in the immune system.

What can we learn from fluids?

Examine buoyancy with eggs in salt water. Check surface tension and surfactants. Use non-newtonian fluid "goo."

How do you create a scribble machine?

Design and construct a motorized contraption with different motors and materials. Attach a marker and see different patterns created.

How can light create products we use?

Experiment with visible and infrared light to see how we use the "science of light" in everyday products.

How do Microscopic Organisms keep our water clean?

Discover microscopic life forms that keep our water clean. Examine microbial populations from wastewater treatment plants.

How do LEDs (Light Emitting Diodes) work?

Create magnetic, closed circuits that stay lit for weeks! Create throwies to stick on a metal surface.

How would Isaac Newton play mini-golf?

Use golf putters to play mini-golf following electrical outlets. Check out a vertical wind tunnel, too!

What makes things fly?

Design air resistance devices to be placed in a vertical wind tunnel to test their ability to fly upwards and float down.