Or,they can be more complex such as using liquid glazes to change the color or shininess of the clay surface.

VOA: special.2009.09.09

The exploration vehicle will be able to measure methane even at very low levels in many places on the surface.

VOA: special.2009.12.30

The atmosphere is about twenty-percent oxygen and eighty percent nitrogen from Earth's surface to where space begins at one-hundred-twenty kilometers up.

VOA: special.2011.04.06

Scientists have long believed that Earth's satellite lacks the ability to hold water near its surface because it has no atmosphere.

VOA: special.2009.09.30

NASA used its Lunar Crater Observing and Sensing Satellite,or LCROSS, to look for water deep beneath the lunar surface.

VOA: special.2009.12.30

In the study, scientists placed highly sensitive measuring equipment two hundred to two hundred seventy meters under the ocean's surface.

VOA: special.2009.07.07

So,at the age of forty-seven she started to glue crushed colored glass in special designs on every surface in her house.

VOA: special.2010.04.14

NASA scientists hope to extend their search for water as deep as five meters beneath the surface of the moon.

VOA: special.2009.09.30

Volcanic activity broke the large island into pieces that came to the surface of the sea over time.

VOA: special.2009.12.16

LCROSS will then study the soil thrown up to ten kilometers above the lunar surface before it too crashes into the moon.

VOA: special.2009.09.30

Armstrong began to describe what he saw: "The surface appears to be very, very fine grain,like a powder.

VOA: special.2009.07.15

The fluoride mixes with enamel, the hard surface on teeth, to help prevent holes, or cavities,from forming.

VOA: special.2009.03.11

Buff is also a soft cloth used to rub a surface until it looks bright and shiny.

VOA: special.2009.05.17

Embroidery work involves using colored yarn and a needle to create designs on the surface of cloth.

VOA: special.2009.11.04