Science of Energy Assessment
Quiz by Emily
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- Q 1/12Score 0
Starting with the sun, trace the energy flow needed to ride a bike.
29The sun’s thermal energy transforms to radiant energy, to thermal energy in plants, to thermal energy in people, which then transforms into chemical energy to pedal the bike.
The sun’s nuclear energy transforms to radiant energy, to chemical energy in plants, to chemical energy in people, which then transforms into motion energy to pedal the bike.
- Q1
Starting with the sun, trace the energy flow needed to ride a bike.
The sun’s thermal energy transforms to radiant energy, to thermal energy in plants, to thermal energy in people, which then transforms into chemical energy to pedal the bike.
The sun’s nuclear energy transforms to radiant energy, to chemical energy in plants, to chemical energy in people, which then transforms into motion energy to pedal the bike.
120s - Q2
How does a hand generated flashlight transform motion into light?
Shaking the flashlight moves the battery through a coil of copper wire that flows to the magnet where it is stored as electricity.
Shaking the flashlight moves the magnet through a coil of copper wire that flows to the capacitor or battery where it is stored as electricity.
120s - Q3
Which is an example of potential energy transforming into kinetic energy?
Rock sitting on a hill
Compressing a spring and letting it go
120s - Q4
What energy transformations occur in a glow stick?
Radiant energy is changed to chemical energy.
Chemical energy is changed to radiant energy.
120s - Q5
When you drop a basketball from eye level, the ball will not return to its original height. Explain the energy transformations that cause this to happen.
The ball will not return to the original height because some of the energy will be lost.
The ball will not return to the original height because some of the energy will be transformed into other energy forms such as nuclear and elastic energy.
The ball will not return to the original height because some of the energy will be transformed into other energy forms such as thermal and sound energy.
120s - Q6
When iron rusts, is an endothermic or an exothermic process taking place?
It is endothermic because it is a reaction that absorbs heat.
It is exothermic because it is a reaction that produces heat.
120s - Q7
When iron rusts, what energy transformation causes this process?
Nuclear energy is transformed to thermal energy.
Thermal energy is transformed to chemical energy.
Chemical energy is transformed to thermal energy.
120s - Q8
How are the energy transformation in a bi-metal bar and a nitinol wire similar?
Both items change thermal energy to motion.
Both items change motion energy to sound.
Both items change thermal energy to sound.
120s - Q9
What energy transformations occur in a PV cell (solar panel)?
Nuclear energy is changed to electrical energy.
Radiant energy is changed to electrical energy.
Chemical energy is changed to electrical energy.
120s - Q10
How does temperature affect the rate at which the chemical reaction occurs in a glow stick?
The rate of the chemical reaction decreases with heat added and increases with heat being removed.
The rate of the chemical reaction increases with heat added and decreases with heat being removed.
120s - Q11
What energy transformation(s) occur in an apple battery?
Thermal energy is changed to motion energy.
Chemical energy is changed to thermal energy.
Chemical energy is changed to electrical energy.
30s - Q12
What energy transformations that are taking place in a radiometer.
Radiant energy is changed into thermal energy in the bulb, which is absorbed or reflected, exciting air molecules and creating motion.
Thermal energy is changed into radiant energy in the bulb, which is absorbed or reflected, exciting air molecules and creating sound.
30s
