Revision sheet for Quiz 1 Science

Revision sheet for Quiz 1 Science

By omaya karhani

Fill in the Blanks

Open Ended

Write the steps of how nonrenewable resources used to produce electrical

energy:

..........................Coal contains chemical energy

...............................Changing the mechanical energy in to electrical energy using generator.

..............................Changing thermal energy in to mechanical energy using turbine .

.......................... Burning coal changes chemical energy to thermal energy that heat water.

Multiple Choice

this describe a

• turbine

• generator

• Steam

• cloud

Multiple Choice

This picture describe

• generator

• turbine

• steam

• electricity

Multiple Choice

A fan is plugged into an extension cord. The extension cord is plugged into a wall outlet. How does the extension cord help the fan work?

• The extension cord makes the fan more powerful.

• The extension cord transfers electric currents from the outlet to the fan.

• The extension cord transfers sound energy to the fan.

Multiple Choice

A flow of electrical charges is known as _____.

• Resistance

• electrical current

• static electricity

• voltage

Multiple Choice

In an electric circuit, a battery can act as a __.

• voltage source

• conductor

• insulator

• resistor

Multiple Choice

A conductor is a

• material that increases the number of charged particles

• material through which electricity flows easily

Multiple Choice

You are asked to design a product that will change electrical energy to heat energy. Choose the item you would research while developing your product.

• Hair dryer

• - Alarm clock

• Cell phone

Multiple Choice

A switch in a circuit _____.

• -          allows or stops the flow of electricity

• -          absorbs electricity

Multiple Choice

An object in an electrical circuit that resists the flow of energy is called _____.

• a magnet

• -          a resistor

Multiple Choice

Fossil fuels are _____.

• -          nonrenewable resources

• renewable resources

• -          unlimited resources

Multiple Choice

How are fossil fuels formed?

• -          Heat and pressure turn animal and plant remains into fuels.

• -          On the surface of Earth, wind and rain turn fossils into fuels.

Multiple Choice

Which is not a fossil fuel?

• wood

• oil natural

• gas

• coal

Multiple Choice

A material that formed from ancient organisms and is used today as a source of energy is a(n) _____.

• -          fossil fuel

• -          alternative energy resource

Multiple Choice

Which is an example of a nonrenewable resource?

• wind

• water

• sunlight

• oil

Multiple Choice

nonrenewable resources are resources that _____.

• -          take so long to form that they cannot be replaced quickly

• -          cause no pollution to the environment, so they are the best kind to use

• -          cause so much pollution that they are never used

Multiple Choice

Coal is a nonrenewable natural resource. Which best describes how humans use coal?

• -          Humans use coal for food.

• -          Humans use coal to produce electricity.

• -          Humans use coal for medicine.