Environmental Science

What is the chemical formula for water?

• 2HO

• HO2

• H2O

• H2O2

Water's nickname because it can dissolve more substances than anything else on Earth

• Universal Solvent

• Universal Compound

• Universal Solution

• Universal Solute

The strong force that holds water molecules tightly together at the surface of a liquid is-

• capillary action

• surface tension

• adhesion

• cohesion

Which of the following substances cannot be dissolved by water?

• sugar

• salt

• oil

• lemonade mix

Water freezes at __________ degrees C

• 0

• 200

• 100

• 150

The boiling point of water is __________ degrees C

• 100

• 0

• 200

• 150

Why does ice float in liquid water?

• it is more dense

• the density is the same

• it is less dense

• it does not float, it sinks

What are examples of non renewable sources?

• Coal, Oil, Natural Gas

• Coal, Hydro, Oil

• Wind energy, Tidal energy, Solar

• Co2, Methane, CFCs

Choose the examples of Fossil Fuels

• Oil, Natural Gas, Coal

• Solar, Hydro, Tide

• Biomass

• Coal, Oil, Solar

What does non renewable energy mean?

• A resource being used up faster than it is being made.

• A resource constantly being replaced

• Coal

• Oil & Natural Gas