Energy Transformations
(Multiple Choice)
(Multiple Choice)
Types of Energy
(Multiple Choice)
(Multiple Choice)
Phase changes
(Multiple Choice)
(Multiple Choice)
Thermal Energy Transfer
(Traditional Jeopardy)
(Traditional Jeopardy)
Vocabulary
(Traditional Jeopardy)
(Traditional Jeopardy)
100
A television transforms electrical energy into _______ energy.
a) thermal/heat b) sound
c) light d) all of the above
d) all of the above
100
A flashlight transforms chemical energy into electrical energy into _______ energy.
a) light
b) potential
c) sound
a) light
100
Which phase change happens when you put an ice tray in the freezer?
a) liquid to solid
b) liquid to gas
c) gas to solid
a) liquid to solid
100
Thermal energy transfer in liquids and gasses in a circular pattern: heat rises and cold sinks.
What is convection?
100
Motion energy
What is mechanical or kinetic energy?
200
A flashlight transforms chemical energy (batteries) into electrical energy and then _________ energy.
a) sound
b) light
c) potential
b) light
200
This squirrel transforms chemical energy (food) into ________ energy.
a) light
b) potential
c) kinetic
c) mechanical/kinetic
200
You leave a glass of water by your bed overnight, and the level drops. Where did it go?
a) gas changed to liquid: condensation
b) liquid turned to gas: evaporation
c) liquid turned to solid: freezing
b) liquid turned to gas: evaporation
200
Thermal energy transfer when water boils.
What is convection?
200
Thermal energy transfer through direct contact
What is conduction?
300
Which energy transformation shows a windmill powering a lamp in your house?
a) mechanical > electrical > light
b) wind > sound > thermal/heat
c) electrical > thermal > mechanical
d) pineapple
a) mechanical > electrical > light
300
A windmill transforms mechanical/kinetic energy into ________ energy.
a) electrical
b) sound
c) nuclear
a) electrical
300
Which phase change is happening in this picture?
a) gas to liquid
b) liquid to gas
c) solid to liquid
c) solid to liquid
300
Thermal energy transfer through solid matter and contact, with particles colliding and motion increasing throughout the substance.
What is conduction?
300
Thermal energy transfer in liquids and gasses in which the heat rises and the cold sinks
What is convection?
400
When thermal energy increases, particle motion ___________ and they collide more.
a) increases
b) decreases
c) stays the same
a) increases
400
Sunlight brings both _________ energy and _______ energy to the earth.
a) sound, potential
b) light/solar, chemical
c) light/solar, thermal/heat
c) light/solar, thermal/heat
400
Which phase change is represented by the picture below?
a) liquid to gas: evaporation
b) gas to liquid: condensation
c) solid to liquid: melting
b) gas to liquid: condensation
400
Waves of thermal energy spreading from one object to another (not touching)
What is radiation?
400
Thermal energy transfer in which thermal energy spreads through waves to another object.
What is radiation?
500
Which main energy transformation happens when you drive a gas-powered car?
a) light/solar to sound
b) electrical to chemical
c) chemical to mechanical
c) chemical to mechanical
500
Thermal, light, sound, electrical, and mechanical energy are all types of ____________ energy.
a) kinetic
b) potential
c) nuclear
a) kinetic
500
To change a solid into a liquid, what needs to be added to the system?
a) thermometer
b) sugar
c) heat
d) pineapple
c) heat
500
Thermal energy transfer when you are warmed by a campfire.
What is radiation?
500
Liquid is heated and turns into gas
What is evaporation?
600
In which direction does thermal energy transfer?
a) from cold to hot
b) from hot to cold
c) it depends
b) from hot to cold
600
Motion or movement energy is also called ______________ energy.
a) mechanical
b) potential
c) light
a) mechanical
600
Heat is added to a solid. The temperature stays steady, and then suddenly goes up. What probably just happened?
a) it finally got hot
b) it turned into gas and evaporated
c) it melted into a liquid
c) it melted into a liquid
600
Thermal energy transfer when you burn your hand on the handle of a metal pot.
What is conduction?
600
Gas is cooled down and turns into liquid
What is condensation?