Science Process and Properties of Water

Flashcards covering science process skills, properties of water, atom structure, and environmental science.

What is one example of a science process skill?

Skepticism

What is a property of pure water?

Has a pH of 7

What property of water is demonstrated when water vapor condenses to form clouds?

Cohesion

What property of water allows aquatic plants and animals to get oxygen?

The molecules are attracted to other substances (e.g., adhesion).

What process adds chemicals to water to form sediment from suspended particles?

Flocculation

What process occurs when the colored crystals placed in water spread throughout the water?

Diffused

During condensation, water changes from which state to which state?

Gas to liquid

Which process in the water cycle involves the addition of heat energy?

Evaporation

How many protons, neutrons, and electrons are in one atom of beryllium?

4 protons, 5 neutrons, and 4 electrons

What is the atomic number of beryllium?

4

What is the mass number of beryllium?

Be: 9

Which substance would soothe the pain from a wasp sting?

Baking soda - turns litmus blue.

Which structure(s) represent(s) a compound?

B and D only.

Which structure(s) represent(s) an element?

C only.

What does the safety symbol on a chemical indicate?

It is poisonous.

What is the difference between inspired and expired air regarding carbon dioxide?

Inspired air contains less carbon dioxide than expired air.

Which pollutants lead to ozone depletion?

Chlorofluorocarbons.

What does the rain gauge measure?

Amount of rainfall.

What instruments would measure atmospheric pressure and wind speed?

Barometer and anemometer.