Properties
More Properties
Matter
Water Molecules
Water Cycle
100

Which of the following is due to high heat capacity?

bodies of water heat up more slowly than the surrounding land

100

This is the number of hydrogen atoms in a water molecule..

Two!

100
How do we calculate the density of an object or substance?
What is divide it mass by its volume?
100

What is dissolved oxygen?

Oxygen from the atmosphere that dissolved in water through agitation and diffusion.

100
At what temperature is water most dense?

4 degrees celsius

200

This property of water demonstrates the attraction of one water molecule to another. (think allows water to hold its shape)

Cohesion

200

What shape best describes the molecular shape of water?

Bent

200

Which property of water allows water to be "sticky"? Consider water droplets sticking to plants

Adhesion

200

Why is water the molecule of life and not other substances?

Water is polar, and the universal solvent. It dissolves gases and nutrients needed to life, due to its shape and polarity.

200

Snow, rain, sleet, hail. These are all examples of what part of the water cycle?

Precipitation

300

This property of water allows water to "climb" up substances.

What is capillary action?

300

This is the chemical formula for water.

H2O

300

How many positive and negative electrons does water have?

2+ Hydrogens & 1- Oxygen
300

What is Density?

The mass of a substance per unit of volume.

300

Clouds and fog are examples of what part of the water cycle?

Condensation

400

Water is known as an inorganic compound. What does this mean?

Water does not contain carbon

400

Which water ecosystem has the highest salinity?

Brine! 

400
This is formed when two or more atoms combine. For example, water is one.
What is a molecule?
400

What heats up Earth's landmasses and oceans?

Solar Radiation

400

Where is 97% of Earths water located?

The Ocean

500

In water systems, the shape and polarity of a water molecule allows it to

dissolve more substances than any other liquid

500

As temperature increases, Salinity __________

Decreases

500

Why doesn't oil mix with water?

Oil is non-polar and cannot form hydrogen bonds

500

Why does water heat up slower than land?

Water has a high specific heat capacity

500

What is the term for when water soaks through soil, into the ground?

Infiltration

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