Review for 8th Science FCAT (Energy Transformations)

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

• Chemical to light
• Electrical to chemical
• Electrical to light
• Chemical to electrical

Which of the following shows an energy transformation from chemical energy to electrical to light energy?

• A bolt of lightning lights the night sky.
• A candle glows brightly in the dark.
• A fire in a fireplace lights up a room.
• A battery causes a flashlight to shine.

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

• mechanical to thermal to electrical
• chemical to mechanical to thermal
• mechanical to chemical to sound
• chemical to sound to electrical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which of the following devices transforms electrical energy into mechanical energy?

• An e-reader
• a fan
• a manual pencil sharpener
• ipod

A television works by transforming electrical energy into what other kinds of energy?

• Light, thermal, and sound
• Thermal, chemical, and solar
• Sound, mechanical, and electrical
• Light, chemical, and mechanical

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

• chemical to thermal
• light to chemical
• thermal to light
• chemical to electrical

Tags

NGSS.MS-LS1-6

Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical
• mechanical -> electrical
• chemical -> mechanical
• mechanical -> electromagnetic

Tags

NGSS.MS-PS3-4

What energy transformation occurs as as an elephant walks through the savanna?

• Thermal --> Chemical + Mechanical

• Mechanical --> Chemical + Thermal

• Radiant --> Chemical + Mechanical

• Chemical --> Mechanical + Thermal

Tags

NGSS.MS-PS3-5

What energy transformation occurs as a mouse produces body heat?

• Chemical --> Thermal

• Thermal --> Chemical

• Electrical --> Thermal

• Thermal --> Mechanical

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5