Ch 8 Physical Science Test

A resource is:

• A type of material or supply that can be used to fulfill a need

• A type of animal found in the wild

• A type of vehicle used for transportation

• A type of building structure

Energy transformations refer to the process of changing energy from one form to another. Which of the following is an example of energy transformation?

• A car engine converting chemical energy into mechanical energy

• A book resting on a table

• A glass of water at room temperature

• A stationary bicycle

What does the energy use chart represent?

• Energy consumption over time

• Types of energy sources

• Energy efficiency measures

• Cost of energy usage

Fossil fuel is:

• A renewable energy source

• A type of mineral

• A natural fuel formed from the remains of living organisms

• A synthetic chemical compound

When a fossil fuel is burned it is considered a ____________ reaction.

• combustion

• photosynthesis

• decomposition

• neutralization

What two things (reactants) do we need for a combustion reaction?

• Oxygen and fuel

• Carbon dioxide and water

• Nitrogen and hydrogen

• Helium and neon

What are the two things (products) that come from a combustion reaction?

• Carbon dioxide and water

• Oxygen and nitrogen

• Hydrogen and oxygen

• Methane and ethane

Petroleum is:

• A type of rock

• A liquid mixture of hydrocarbons

• A form of renewable energy

• A type of metal

What is the correct order of fractions obtained during fractional distillation?

• 1st - Lightest fraction, 2nd - Intermediate fraction, 3rd - Heaviest fraction

• 1st - Heaviest fraction, 2nd - Lightest fraction, 3rd - Intermediate fraction

• 1st - Intermediate fraction, 2nd - Heaviest fraction, 3rd - Lightest fraction

• 1st - Lightest fraction, 2nd - Heaviest fraction, 3rd - Intermediate fraction

Natural gas is primarily composed of which gas?

• Methane

• Ethane

• Propane

• Butane