Water Review

Ice floats because...

• Ice is more dense than water

• Ice is less dense than water

Water droplets sticking to a leaf is due which property of water

• Surface tension

• adhesion

• cohesion

• universal solvent

TWhich property of water allows this to happen?

• Surface tension

• cohesion

• adhesion

• universal solvent

Which property of water allows it to dissolve many substances?

• The structure of the water molecule

• The boiling point of water

• The melting point of water

Tags

NGSS.MS-PS1-1

Ice wedging, animal action and changes in temperature is an example of...

• Chemical Weathering

• Physical Weathering

• Erosion

Tags

NGSS.MS-ESS2-2

Which step of the water cycle represents the phase change of water vapor to liquid?

• Condensation

• Precipitation

• Evaporation

• transpiration

Tags

NGSS.MS-PS1-4

Water is often called the universal solvent because

• it can cling to the fibers of paper and cloth

• its frozen form floats on its liquid form

• it exist in all 3 states

• it can dissolve many substances

What's the charge for Oxygen in a water molecule

• Positive +

• Negative -

• No charge

Tags

NGSS.MS-PS1-1

What's the charge for Hydrogen in a water moelcule

• Positive +

• Negative -

• No charge

Tags

NGSS.MS-PS1-1

 Cassandra wanted to know which brand of paper towel absorbs the most water. They test three different brands of paper towels by dipping the same size paper towel in a beaker of water. Each beaker contained 100mL of water. They observed how much water remained in the beaker.

• Brands of paper towels

• Constant

• 100 mL water

• Dependent Variable

• Amount of water remaining

• Independent Variable