Properties of Water Review

What is water?

• An atom
• A molecule composed of 2 parts Oxygen and one part Hydrogen
• A molecular compound composed of 2 parts Hydrogen and one part Oxygen
• A pure substance composed of 2 parts Hydrogen and one part Oxygen

What is the chemical formula for water?

• H20
• h₂o
• H₂O₂
• H₂O

What is the solid form of water called?

• Ice
• Frozen water
• Water ice
• Dry ice

What is the gaseous form of water called?

• Steam
• Water vapor
• Vapor
• Water mist

Is the density of water ice lower, higher, or the same as liquid water?

• Lower
• Higher
• The same
• Um... what is density again

Why does water ice have a lower density than liquid water?

• Because it floats

• Because it is a crystal

• Because the molecules expand in volume as water freezes into a crystal

• Because ice is colder than water

What is adhesion?

• Water's ability to stick to itself
• Water's ability to stick to other substances
• The strength of the cohesion of all the water molecules combined
• Tape, glue and other adhesives

What is cohesion?

• Water's ability to stick to itself
• Water's ability to stick to other substances
• The strength of the cohesion of all the water molecules combined
• Tape, glue and other adhesives

What is surface tension?

• Water's ability to stick to itself
• Water's ability to stick to other substances
• The strength of the cohesion of all the water molecules combined
• Tape, glue and other adhesives

What are abiotic factors?

• All of the living things in an ecosystem
• All of the non living things in an ecosystem
• All of the living and nonliving things combined
• A piece of a living thing