End of Year Review

Which of the following is a fossil fuel?

• Wind
• Coal
• Solar
• Biomass

What is biomass? 

• energy from the sun
• energy from water
• energy from wind
• energy from plant and animal waste

What is a disadvantage of nuclear energy?

• only a small amount of energy is produced

• radioactive waste

• it is efficient

• it produces greenhouse gases

The careful use of a resource is....

• recycling
• pollution
• depositing
• conservation

What kind of heat transfer happens when the sun is heating your body?

• Conduction
• Radiation
• Convection
• Density

Ironing a shirt is an example of...

• condensation
• conduction
• convection
• radiation

The way the heat is moving from the hot coffee is called...

• convection
• radiation
• insulation
• conduction

Heat transfer always moves from...

• Hot to Cold
• Cold to Hot

The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -

• chemical energy to electrical to sound.
• electrical energy to thermal to light.
• sound energy to electrical to chemical.
• mechanical energy to electrical to sound.

The thinnest layer of the Earth is the ___________.

• mantle
• crust
• core