Show:
Properties
More Properties
Matter
Measuring in Science
Water Cycle
100
This property of water allows a pin to float on the surface of water.
What is cohesion at the surface (surface tension)?
100
This is the number of hydrogen atoms in a water molecule..
What is two?
100
How do we calculate the density of an object or substance?
What is divide it mass by its volume?
100
A student is recording the volume of a liquid. What unit of measurement will she use?
What is liters?
100

Why does ice float in water?

What is...ice is less dense?

200
This property of water demonstrates the attraction of one water molecule to another.
What is cohesion?
200
This is the number of oxygen atoms in a water molecule.
What is 1?
200

What percentage of water on Earth is freshwater?

What is 3%?

200

Which type of rock is most permeable? Gravel, granite, or clay

What is...gravel?

200
Snow, rain, sleet, hail. These are all examples of what part of the water cycle?
What is precipitation?
300
This property of water allows water to "climb" up substances.
What is capillary action?
300

What does it mean if water is "potable"?

What is...drinkable?

300
This is the smallest particle of matter.
What is an atom?
300

How can you define salinity?

What is...the measure of how salty something is.

300

What are the sources for most drinking water in NC?

Rivers, lakes, and groundwater

400
Water molecules tend to "stick" together because of positively and negatively charged "ends" of the molecule. So, we say it is what kind of molecule?
What is a polar molecule?
400

Explain why a swimming pool will be cool on a hot summer day?

What is High specific heat?

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

Why would the water in an aquifer decrease?

What is...human use?

400

Define percolation.

What is...for water to filter or seep downward into the soil or rocks.

500
This property describes tightness across the surface of water, caused by the polar molecules pulling on one another.
What is surface tension?
500

Why can we not drink the majority of fresh water on Earth?

What is.. it is frozen in ice caps?

500

What impact will rain or snow have on the water table?

What is... it will rise?

500

This system of measurement is used in science.

What is the metric or SI system?

500

Where does all the water from watersheds flow into?

What is...a river basin?