Which substance has the most energy? (Hint: Look at the energy symbols)
a) brick
b) iron
c) olive oil
d) water
Use the slider to add heat to the iron and the brick and pay close attention to the energy symbols.
Which way does the energy flow?
a) from the brick and iron to the heater
b) from the heater to the brick and iron
c) energy does not flow
As you added heat, what happened to the temperature of the brick and iron? (Hint: Use the thermometer)
a) the temperature decreased
b) the temperature did not change
c) the temperature increased
Use the slider to cool the brick and the iron, and pay close attention to the energy symbols.
Which way does the energy flow?
a) energy does not flow
b) from the brick and iron to the ice
c) from the ice to the brick and iron
As you cooled the brick and iron, what happened to their temperatures? (Hint: Use the thermometer)
a) the temperature does not change
b) the temperature decreased
c) the temperature increased
Heat the brick to the highest temperature. Drop the brick in the water.
When the brick is dropped in the water, the temperature of the brick ____________ and the temperature of the water ____________.
a) increases; decreases
b) decreases; decreases
c) increases; increases
d) decreases; increases
When the brick is dropped in the water, the thermal energy flows from the ____________ to the ____________.
a) energy does not move between the substances
b) brick; water
c) water; brick
Add a thermometer to the olive oil. Place the brick back on the heater and re-heat it to the highest temperature. Drop the brick into the olive oil.
The temperature of the brick ____________ and the temperature of the olive oil ____________.
a) decreases; increases
b) decreases; decreases
c) increases; decreases
d) increases; increases
Which substance changed temperature the most as a result of dropping in the heated brick?
a) water
b) olive oil
c) both substances were affected the same
As thermal energy is added to a substance, the temperature ________________. As thermal energy is removed from a substance, the temperature of the substance ________________.
a) decreases; decreases
b) increases; increases
c) decreases; increases
d) increases; decreases
Thermal energy flows from the ________________ substance to the ________________ substance.
a) hotter; cooler
b) cooler; hotter
c) thermal energy does not flow between objects
According to the law of conservation of energy, energy can be created but not destroyed.
a) True
b) False
When a plant grows using sunlight and a person then eats the plant to fuel up for a run, what is the order of energy conversion?
1. Mechanical Energy
2. Chemical Energy
3. Radiant Energy (Sunlight)
Use the slider to start pedaling. *Be sure you have your Energy Symbols on. Use the legend in the top right corner to watch how energy is transformed in the system**
How is energy transferred in this system? (Place them in order start to finish)
1. Thermal Energy
2. Electrical Energy
3. Mechanical Energy
4. Chemical Energy
Pull the knob on the water faucet to start the water flowing. *Be sure you have your Energy Symbols on. Use the legend in the top right corner to watch how energy is transformed in the system**
How is energy transferred in this system? (Place them in order start to finish)
1. Mechanical Energy
2. Light Energy
3. Thermal Energy
4. Electrical Energy
Use the slider to heat the kettle. *Be sure you have your Energy Symbols on. Use the legend in the top right corner to watch how energy is transformed in the system**
How is energy transferred in this system? (Place them in order start to finish)
1. Mechanical Energy
2. Light Energy
3. Thermal Energy
Be sure you have your Energy Symbols on. Use the legend in the top right corner to watch how energy is transformed in the system**
How is energy transferred in this system? (Place them in order start to finish)
1. Light Energy
2. Thermal Energy
3. Electric Energy
Increase the cloud cover.
What happens to the speed of the energy conversion within the system when the clouds are in the sky?
a) it increases
b) it decreases
c) the system is not affected
(Answers may be used once, more than once or not at all)
_____ flows from _____ to ______ areas. ______ is a measure of this flow. The transfer of thermal energy can occur in three ways: convection, conduction and radiation.
You want to roast marshmallows, so you decide to use a wooden stick because a metal rod is too good at _______ and would get too _______ . Using the campfire to roast your marshmallows, you notice smoke coming up through a _______ current, which transfers the heat from the flames. The toasting of your marshmallows, the gaining of _______ , is occurring without touching the flames due to ________ .
Word Bank:
[cold] [convection] [hot] [conduction] [heat] [thermal energy] [thermal energy] [radiation] [warmer] [colder]
Pleeeeease help
I'm here to help! Could you please provide me with the words that best fit in the blanks you are referring to? That way, I can assist you more effectively.
_____Flows from______to_______areas._____is a measure of this flow. The transfer of thermal energy can occur in three ways: convection, conduction, and radiation.
You want to roast marshmallows, so you decide to use a wooden stick because a metal rod is too good at conduction and would get too hot. Using the campfire to roast your marshmallows, you notice smoke coming up through a convection current, which transfers the heat from the flames. The toasting of your marshmallows, the gaining of thermal energy, is occurring without touching the flames due to radiation.