Friday, August 22, 2014
YOLO COUNTY NEWS
99 CENTS

Explorit Science Center: Defying gravity with water

By
From page A5 | May 30, 2014 |

exploritW

UC Davis chemistry professor Frank Osterloh dazzles a crowd at Explorit Science Center during last year's Final Blast Festival and Chemistry Show. Providing support is Analiese Franz, also a UCD chemistry professor. Save the date for this year's blow-out: Sunday, Sept. 7. Courtesy photo

Water is a pretty amazing substance. It freezes. It evaporates. And we can’t live without it. But can water defy gravity? Try this experiment and see what you can discover.

You will need: two glasses, a paper towel, some water, a ruler or measuring tape and a little patience. You can also add other materials to test like a paper napkin, a cloth rag, a coffee filter or a sheet of paper.

Start by adding some water to one of the glasses. It doesn’t matter how much, but you can use your ruler or measuring tape to record how many inches of water you have in your glass. Keep the other glass empty.

Now twist or fold the paper towel until it’s scrunched up tight and looks like a piece of rope. Put one end of the paper towel into the water glass so that it’s down in the water, then drape the other end of the paper towel into the empty glass.

Watch and see what happens. Here’s the part where you need your patience. This experiment takes a little while to show results. But you’re probably noticing right away that your paper towel is getting wet and that the water is moving up the paper towel away from the surface of the water.

This process is called capillary action. The water is moving through the tiny open spaces or air pockets in the paper towel because it sticks to the paper towel fibers better than the individual water molecules stick to each other.

This is like what happens in plants. The plant’s roots find water in the ground and use capillary action to move that water up through the stem and out to the leaves and all other parts of the plant. Capillary action moves water upward, defying gravity!

After a few minutes, take another look at your experiment. Is the whole paper towel wet? Use your ruler or measuring tape to measure the water level in the water glass. Is it the same as it was before you put in the paper towel? Why?

Now check your empty glass. Is it still empty? Why? What happened?

Or try repeating this experiment, but replace the paper towel with a paper napkin, cloth rag or one of the other suggestions above. Do you get the same results? Why? Which material is the best at carrying water? Which is the worst?

This experiment is just one way to have some wet science fun this summer. Check out Explorit’s Summer Science Camps for more.

Explorit’s coming events:

* Explorit’s “Beautiful World: Science and Art” exhibition is open to the public every Wednesday, Saturday and Sunday from 1 to 5 p.m. and every Friday from 3 to 6 p.m. Admission is $5 per person; Explorit members, teachers and children 2 and under are free.
* Interested in membership? Think your Explorit membership may have lapsed? Call 530-756-0191 to check or sign up.

Summer Science Camp registration is open now. Visit www.explorit.org for all the details or to register.
* Don’t miss Explorit’s summer field trip to the Discovery Museum’s Challenger Center on Aug. 6 for fifth-, sixth- and seventh-grade students. Search “Explorit” on brownpapertickets.com.
* Save the date: On Sunday, Sept. 7, Explorit will host a Final Blast Festival and Chemistry Show to celebrate the end of the Summer Science Camp season and start the new school year.

— Explorit Science Center is at 3141 Fifth St. For more information, call 530-756-0191, visit www.explorit.org or “like” Explorit on Facebook at www.facebook.com/explorit.fb.

Comments

comments

.

News

DHS musicians back from summer in Italy

By Jeff Hudson | From Page: A1 | Gallery

 
City to overhaul its sprinkler heads, other water-wasters

By Dave Ryan | From Page: A1 | Gallery

No easy task: History buffs still trying to save building

By Dave Ryan | From Page: A1 | Gallery

 
Davis indecent-exposure suspect pleads no contest

By Lauren Keene | From Page: A2

 
Not-guilty plea entered in Woodland homicide case

By Lauren Keene | From Page: A2

 
Russian aid convoy reaches war-torn Luhansk

By The Associated Press | From Page: A2

 
Putah Creek Council appoints new executive director

By Elizabeth Case | From Page: A3

Communitywide ice bucket challenge on Sunday

By Anne Ternus-Bellamy | From Page: A3

 
Parents’ Night Out features Vacation Bible School

By Enterprise staff | From Page: A3

 
Afternoon tours of city wetlands resume Sept. 6

By Special to The Enterprise | From Page: A3 | Gallery

 
Yolo County golf tournament enters fourth year

By Special to The Enterprise | From Page: A3

Can you give them a home?

By Enterprise staff | From Page: A4 | Gallery

 
Saylor will meet constituents at Peet’s

By Enterprise staff | From Page: A4

Event will unveil mural celebrating food justice

By Enterprise staff | From Page: A4

 
Prunes take center stage at last agri-tour of the summer

By Special to The Enterprise | From Page: A4

In need of food? Apply for CalFresh

By Enterprise staff | From Page: A4

 
Wolk bill would require reporting of water system leaks

By Special to The Enterprise | From Page: A5

Writing couple stops at Davis bookstore

By Special to The Enterprise | From Page: A5 | Gallery

 
Explorit: Final Blast show returns for second year

By Lisa Justice | From Page: A5

Record drought saps California honey production

By The Associated Press | From Page: A6

 
World travelers

By Special to The Enterprise | From Page: A8

 
Seniors set to stroll through Arboretum

By Enterprise staff | From Page: A9

.

Forum

Weightlifters causing a racket

By Creators Syndicate | From Page: B5

 
Police are our friends, right?

By Letters to the Editor | From Page: A10

Wage plan has a big flaw

By Letters to the Editor | From Page: A10

 
Bridging the digital divide with computational thinking

By Special to The Enterprise | From Page: A10

 
Tom Meyer cartoon

By Debbie Davis | From Page: A10

No support for militarization

By Letters to the Editor | From Page: A10

 
A better use for this vehicle

By Letters to the Editor | From Page: A10

.

Sports

Watts likes what he’s seen in keen Aggie DB competition

By Bruce Gallaudet | From Page: B1 | Gallery

 
Watney and McIlroy struggle at start of The Barclays

By Wire and staff reports | From Page: B1

 
Light-hitting Cats fall

By Enterprise staff | From Page: B1

Giants win nightcap in Chicago

By The Associated Press | From Page: B1 | Gallery

 
Sports briefs: Big West soccer coaches have high hopes for UCD men

By Enterprise staff | From Page: B8 | Gallery

.

Features

.

Arts

Yolo Mambo to play free show

By Enterprise staff | From Page: A11

 
‘If I Stay’: Existential angst

By Derrick Bang | From Page: A11

 
Davis Chinese Film Festival to kick off with 1994 favorite

By Enterprise staff | From Page: A11

Rock Band campers perform at E Street Plaza

By Enterprise staff | From Page: A11

 
Natsoulas to host mural conference

By Special to The Enterprise | From Page: A11

.

Business

Car Care: Teenagers not driving safe cars, study shows

By Special to The Enterprise | From Page: A6

 
Car Care: Feeling the summer heat? Your car battery is too

By Special to The Enterprise | From Page: A7

Three-wheeled Elio gets closer to going on sale

By The Associated Press | From Page: A12 | Gallery

 
.

Obituaries

.

Comics

Comics: Friday, August 22, 2014

By Creator | From Page: B6