Living Systems and Law of Conservation
Presentation
•
Science
•
8th Grade
•
Hard
Joseph Anderson
FREE Resource
4 Slides • 7 Questions
1
Forms Of Transformation OF Energy
Tajyon,Tobias,Li'mere and Derrick
2
Law Of Conservation Of Energy
The law of conservation of energy states that energy can neither be created nor destroyed only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside.
3
Multiple Choice
The Law Of Conservation Of Energy States
Energy can be created or destroyed but not transformed
Energy cannot be created or destroyed it can only be transformed.
Energy cannot be created or destroyed
4
Multiple Choice
According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?
The total amount of energy is conserved
The total amount of energy is less after a reaction
The total amount of energy is more after a reaction
5
Multiple Choice
The law of conservation of energy states that energy cannot be created nor destroyed it can only change form or be transferred? Which of the following supports the law of conservation of energy found in all living systems?
Decomposers transfer energy stored in the molecules of the dead organism to create new biomass for other organisms to feed on.
Most plants and animals begin their life cycle with small energy needs and gain more requirements as they develop.
The total mass of dead organism equals the total mass of matter released to the environment by decomposition.
The total energy of all organisms is an ecosystem remains the same over time
6
Energy Transformations
7
Energy transformation is when energy changes from one form to another – like in a hydroelectric dam that transforms the kinetic energy of water into electrical energy. While energy can be transferred or transformed, the total amount of energy does not change this is called energy conservation.
8
Multiple Choice
Which energy conversion is taking place when you put gasoline in a car?
thermal -> electrical
mechanical -> electrical
chemical -> mechanical
mechanical -> electromagnetic
9
Multiple Choice
what type of energy is stored in a battery?
electrical
chemical
sound
light
10
Multiple Choice
Which energy transformation occurs in a toaster?
chemical to electric
electric to thermal
kinetic to chemical
thermal to potential
11
Multiple Choice
What is energy changing from one form to another?
energy conservation
energy transformation
energy creation
mechanical energy
Forms Of Transformation OF Energy
Tajyon,Tobias,Li'mere and Derrick
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