Properties of Water

Presentation

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Biology

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9th - 12th Grade

•

Medium

•

NGSS

MS-ESS2-4, MS-PS1-1, MS-PS1-4

Standards-aligned

Marrian Baluran

Used 42+ times

FREE Resource

19 Slides • 11 Questions

Unit 1.2

Multiple Select

What are the 2 atoms in the water?

¿Cuáles son los 2 átomos en el agua?

Hydrogen

Oxygen

Carbon

Helium

Multiple Choice

What property of water in which it bonds to other water molecules?

¿Qué propiedad del agua en la que se une a otras moléculas de agua?

Adhesion

Cohesion

Expansion

Versatility

Multiple Choice

What property of water in which it bonds to other molecules?

¿Qué propiedad del agua en la que se une a otras moléculas?

Adhesion

Cohesion

Expansion

Versatility

Multiple Choice

Water is essential for life. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enables it to move from the roots to the leaves of plants?

Water expands as it freezes.

Water is an excellent solvent.

Water exhibits cohesive behavior.

Water is able to moderate temperature.

Fill in the Blanks

Multiple Choice

Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?

Water is an acid.

Water is a versatile solvent.

Water has a high heat capacity.

Water acts as a buffer.

Multiple Choice

Why does ice stay at the top of oceans instead of sinking to the bottom?

Ice is colder than liquid water.

Ice is less dense than liquid water.

Ice is more dense than liquid water.

Ice is warmer than liquid water.

Remember…

Multiple Choice

Water is often called the "universal solvent" because many substances can be dissolved in water. What property of water allows it to be such a versatile solvent?

purity

polarity and cohesion

high heat capacity

expansion upon freezing

Multiple Choice

A florist places a bouquet of white carnations in water containing blue dye. After a time, the flowers turn blue. What process helped the carnations to change color?

Specific heat

Surface tension

Cohesion and adhesion of water molecules

Formation of covalent bonds between hydrogen and oxygen molecules

Multiple Choice

Water has a much higher specific heat than most other covalent compounds. What do you predict might happen if water had a low specific heat instead?

Flooding would occur and animals would be forced to migrate

Harmful organisms living in water would reproduce at a rapid rate

Organisms that are sensitive to changes in temperature would die

Plants would not have enough water to effectively carry out photosynthesis

Multiple Choice

Many fish and aquatic plants can survive a cold winter because the layer of ice that forms at the top of the lake insulates the water below and prevents the lake from freezing solid. What unique property of water contributes to this effect?

Water absorbs heat when it evaporates and forms a gas

Water expands and becomes less dense when it freezes.

Water molecules completely separate into ions in solutions.

Water forms hydrogen bonds with ions and other polar substances.

Unit 1.2

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