Transformations
Heat Transfers
Energy Forms
Mix it Up
A Little Bit of Everything
100
Burning a candle.
Chemical energy -> heat energy + light energy
100
This is the type of process do the arrows in the pot indicate.
What is convection?
100
Energy that has the ability to fall; this type of energy increases the higher up you go.
Gravitational potential energy
100
The source drives the food web.
The sun
100
__________ ARE OFTEN BURNED TO CREATE STEAM, TURNING GENERATORS
Fossil Fuels
200
A hungry football player eating a large sandwich then goes to run laps around the field
Chemical energy -> mechanical energy
200
When sand absorbs the electromagnetic wavs of the Sun, it becomes warm through the process of _____________.
radiation
200
Includes both potential and kinetic; is the energy of motionL
Mechanical Energy
200
This type of energy drives the greenhouse effect.
What is infrared radiation (heat)?
200
A hairdryer converts—
A. chemical energy into mechanical energy
B. thermal energy into mechanical energy
C. electrical energy into thermal energy
D. electrical energy into chemical energy
What is C. electrical energy into thermal energy?
300
What energy transformation occurs when gasoline burns in an automobile?
A. chemical → heat + light
B. chemical → mechanical + heat
C. mechanical → chemical + electrical
D. heat → electrical + mechanical
What is B. chemical → mechanical + heat?
300
This is the energy process is causing the fish to cook.
What is conduction?
300
This energy is stored in plants and foods
Chemical Energy
300
This is the percentage of the Earth's energy budget that is reflected back into space and this is the percentage of Earth's energy budget that is absorbed by the surface.
What is 30%?
What is 50%?
300
Removing thermal energy from a substance causes its atoms to vibrate ______.
A. constantly
B. faster
C. slower
D. in circles
What is C. Slower?
400
Using a solar-powered calculator.
Radiant energy -> electrical energy ->light energy
400
Thermal energy comes from the ______ energy of the atoms and molecules that make up the matter.
What is kinetic?
400
An atom splitting is this type of energy.
Nuclear Energy
400
Which of the following examples describes electricity being transformed into light energy?
A. Flipping a switch turns on a lamp.
B. The sun warms up the pool water.
C. A campfire lights up a campground.
D. Fireworks light up the sky.
What is A. Flipping a switch turns on a lamp?
400
The transfer of thermal energy from a warmer object to a cooler object
What is heat?
500
A solar panel on the roof of a building used to heat and cool the building.
Radiant energy -> electrical energy
500
Identify each object where a transformation into electrical energy occurs.
A. Windmill
B. Gas-powered car
C. Hair dryer
D. Battery
What is A. Windmill, B. Gas-powered car, D. Battery
500
The sun is an example of this type of energy. List 3 forms the sun can technically be counted as.
Heat, Radiant, Nuclear
500
Temperature measures the ______ kinetic energy of the atoms in a substance.
What is average?
500
Atoms have kinetic energy because they are always ______.
A. exploding
B. motionless
C. reacting
D. vibrating
What is D. Vibrating?