Energy Test Review

Evan is standing with his back facing a campfire. He notices that his back is much warmer than his chest. This method of energy transfer is...

• conduction

• convection

• radiation

• insulation

Coach Carter is roasting marshmallows at a campfire. The heat from the fire is roasting her marshmallows. This type of energy transfer is....

• Conduction

• Convection

• Radiation

• Condensation

In a nuclear power plant, what is used to change water into steam?

• the burning of natural gas

• an i-phone left in sun

• geothermal energy

• energy from nuclear reactions

A layer of material that helps block the transfer of heat between the air inside and outside of a  building is called...

• a heat exchanger

• solar cell

• insulation

• a coat on the sale rack at Target

Ice melts as a result of thermal energy flowing from the....

• ice to its surroundings

• surroundings to the ice

• solid to a liquid

• IDK

Which sequence of energy transformations occurs after a battery-operated flashlight is turned on?

• electrical --> light --> chemical

• chemical --> electrical --> light

• a dance party

• chemical --> light --> electrical

Which of these is an example of a biomass fuel?

• oil

• natural gas

• wood

• Reese's Pieces

Two friends decide to go to the park and watch a movie on a computer. The computer runs on battery power. What energy conversion is occurring from the battery to the computer screen?

• electrical --> light --> sound

• chemical --> electrical --> light

• chemical --> electrical --> sound

• not sure, better ask Siri

There is a huge demand for bottle water and sodas at the store. Which solution will reduce the impact of this crisis on the environment?

• increase the brands of bottle water and sodas

• create more plastic and aluminum products

• use recycled plastic and aluminum cans to create the drinks

• put the bottles and cans in a landfill

In an electric power plant, turbines are turned using which type of energy from steam?

• chemical energy

• mechanical energy

• nuclear

• electricity