Ch 8 Physical Science Test

A resource is:

• A source of supply or support

• A type of animal

• A mathematical equation

• A historical event

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 light bulb converting electrical energy into light energy

• A solar panel converting solar energy into electrical energy

• All of the above

What does the energy use chart represent?

• Energy consumption over time

• Types of energy sources

• Energy efficiency measures

• Energy cost analysis

Which of the following is represented in the largest amount in the energy sources chart?

• Biomass

• Petroleum

• Nuclear power

• Coal

Fossil fuel is a type of fuel that is formed from what?

• Renewable resources

• Organic matter

• Minerals

• Synthetic materials

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

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 hydrogen

• Nitrogen and methane

• Sulfur dioxide and nitrogen dioxide

Petroleum is:

• A type of vegetable oil

• A fossil fuel used for energy

• A type of mineral

• A synthetic chemical compound

What are some uses for petroleum?

• Fuel for vehicles

• Manufacturing plastics

• Producing electricity

• All of the above