Unit 8 - Summative Quiz

Gravitational potential energy is potential energy that depends on what?

• Height

• Length

• Volume

• Temperature

Which energy resource converts potential energy of falling water into kinetic energy and then into electrical energy while producing no air pollution?

• Hydroelectric

• Nuclear

• Fossil fuels

• Biomass

The image shows a book resting on a table. Which type of energy does the book possess due to its position?

• Thermal potential energy

• Chemical potential energy

• Gravitational potential energy

• Elastic potential energy

In photosynthesis, energy is transformed. Select the correct transformation or transformations below.

• A. Chemical to Mechanical

• B. Light to Chemical

• C. Light to Mechanical

• D. Mechanical to Light

The model below shows the energy transformation when a ball is thrown from a height. Which option represents the energy transformation taking place from point A to point B in the model?

• A. Kinetic energy decreases with gravitational pull

• B. Potential energy transforms into kinetic energy

• C. Potential energy increases with gravitational pull

• D. Kinetic energy transforms into potential energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-2

Which energy transformation most likely occurs in a steam iron?

• Electrical energy changes to sound energy

• Electrical energy changes to heat energy

• Mechanical energy changes to light energy

• Mechanical energy changes to heat energy

Heat engines convert thermal energy into —

• Radiant energy

• Nuclear energy

• Mechanical energy

• Chemical energy

The Sun’s energy begins as what form of energy?

• Mechanical energy

• Nuclear energy

• Radiant energy

• Chemical energy

The energy used to move most bicycles is an example of what type of energy?

• Mechanical

• Electrical

• Chemical

• Nuclear

An example of kinetic energy continuously being changed to potential energy and back again might be —

• a train moving down a track

• a plate sitting on the edge of a table

• electric charges moving in a straight path

• a girl swinging on a swing