Understanding Water and Surface Tension

What nickname does the astronaut suggest for Earth due to its water coverage?

• Water World

• Planet Ocean

• Aqua Terra

• Planet Blue

What is the main reason water has a high surface tension?

• Its density

• Its polar property

• Its temperature

• Its color

How do water molecules behave at the surface compared to those below?

• They evaporate quickly

• They are only attracted to molecules below and to the sides

• They are attracted to air molecules

• They repel each other

Why can certain animals, like the water strider, walk on water?

• They use wings to balance

• Due to water's high surface tension

• They are very light

• They have special feet

What role does surface tension play on the International Space Station?

• It helps in communication

• It is used for navigation

• It helps in cooking

• It assists in hair washing