Review for 2 nd six weeks Common Assessment 6 th Grade.
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Transcript of Review for 2 nd six weeks Common Assessment 6 th Grade.
![Page 1: Review for 2 nd six weeks Common Assessment 6 th Grade.](https://reader035.fdocuments.in/reader035/viewer/2022062417/5514fb1555034693478b62bf/html5/thumbnails/1.jpg)
Review for 2nd six weeks Common Assessment
6th Grade
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Describe the energy conversions that take place in a hair dryer.
Electrical to kinetic, thermal and sound
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Describe the energy conversions in a battery.
Chemical into electrical
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Describe what happens during photosynthesis.
The plants use light energy to produce new substances with chemical energy.
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What is the best definition of energy?
Energy is the ability to do work.
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What is a producer?
Is the 1st organism in a food chain
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What is a herbivore?
They eat only plants
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What is an omnivore?
They eat both (plants and animals).
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What is a carnivore?
They eat other animals.
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What would happen if all the carnivores were removed from an ecosystem?
The herbivore population would increase
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Describe the correct energy transformations in a working toaster.
Electrical to thermal
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What type of energy do apples provide when they are eaten?
Chemical energy
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Food chain:Shows the flow of energy as
each organism eats the one below it
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Food Web:Shows that energy flows in
many directions through an ecosystem.
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Describe the energy conversions that takes place in a solar heating system used to warm up a building.
Light energy to thermal energy
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Examples of conversions from chemical energy to thermal energy
– Food is digested to regulate body temperature.
– Charcoal is burned in a barbeque pit.– Coal is burned to boil water.
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Roller Coaster:
Greatest Potential Energy at the top of the biggest hill.
Greatest kinetic energy at the bottom of the biggest hill.
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Renewable Resources:•Solar
•Water
•Wind
•Geothermal
•Biomass
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Nonrenewable resources:–FOSSIL FUELS (FFCON)
•Coal
•Oil
•Natural Gas
•Nuclear Energy
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The energy in coal can ultimately be traced to____.
The sun
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What percent of the United States energy use comes from fossil fuels?–About 80%
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Nuclear energy:
– Is generated when the nucleus of a radioactive element splits.
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Trees are part of the renewable resources
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Energy Pyramid:
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Energy is ____ at the higher levels of the energy pyramid.
•lost
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Energy flows from the grass to ________.