Properties of Water

Daniel and Benjamin are in a science class. Their teacher, Abigail, asks them what two elements make up the water they drink every day. What is the correct answer?

• Helium and oxygen

• Hydrogen and oxygen

• Helium and carbon

• Oxygen and carbon

During a science experiment, Maya observed that water is often referred to as a universal solvent. Noah asked why. Daniel explained it's because water...

• Can be found anywhere

• Freezes when it gets cold

• Floats when frozen

• Dissolves most substances

Elijah, Michael, and Anika are on a field trip to a nature reserve. They observe that water is present in which of the following states in their surroundings?

• Gas (as water vapor)

• Plasma

• Liquid (in a lake)

• Solid (as ice)

Ice floats on liquid water because solid water is ___________ than liquid water

• less polar

• more polar

• less dense

• more dense

The property when molecules that stick to the same type of molecules.

• cohesion

• adhesion

• hydrophilic

• hydrophobic

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

Arjun, Priya, and Henry were having a competition to see who could make a paper clip float on water. They noticed that the paper clip didn't sink because of ____________.

• adhesion

• capillary action

• surface tension

• polarity

Why does water move from the roots to the leaves of plants?

• Water is pushed by solutes

• Capillary action pulls the water molecules like a chain

• Water is pulled by gravity

Coastal regions have a moderate climate (cooler summers and warmer winters) than inland regions. Why?

• Coastal areas receive more sunlight.

• Coastal areas are always flat.

• Prevailing winds moderate the weather.

• The ocean moderates air temperatures.

What city would NOT have moderate climate?

• San Francisco

• Wichita

• Virginia Beach