Properties of Water

What is one of the main reasons water is important to life on Earth?

• It is always frozen.

• It has unique properties.

• It is scarce.

• It is acidic.

Tags

NGSS.MS-ESS2-4

What is another word for the force that draws two objects together?

• Repulsion

• Evaporation

• Attraction

• Expansion

Tags

NGSS.MS-PS2-4

What is the role of cohesion in the surface tension of water?

• It decreases surface tension.

• It has no effect on surface tension.

• It increases surface tension.

• It changes the color of water.

What causes water molecules at the surface to be attracted more strongly to each other?

• Gravity

• Surface tension

• Cohesion

• Adhesion

What is adhesion?

• The attraction of molecules of one kind to substances of a different kind

• The process of water evaporating

• The ability of water to freeze

• The movement of water through soil

What is the purpose of anti-fog sprays on windshields?

• To increase the attraction of water molecules

• To reduce the attraction of water molecules

• To change the color of water droplets

• To freeze water droplets

What is most obvious when water droplets cling to a vertical surface?

• Evaporation

• Adhesive forces

• Freezing

• Melting

What natural phenomenon is described at the beginning of the text?

• Snowfall

• Rainfall

• Sunshine

• Windstorm

Tags

NGSS.MS-ESS2-5

What role does adhesion play in capillary action?

• It causes water to evaporate

• It helps water molecules stick to the straw's surface

• It makes water freeze

• It dissolves substances in water

What is the result of cohesion in water molecules?

• Water molecules repel each other

• Water molecules stick to each other

• Water molecules evaporate quickly

• Water molecules freeze instantly

Tags

NGSS.MS-PS2-5