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Review for 2nd six weeks Common Assessment

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Presentation on theme: "Review for 2nd six weeks Common Assessment"— Presentation transcript:

1 Review for 2nd six weeks Common Assessment
6th Grade

2 Good Luck on the test!

3 Describe the energy conversions that take place in a hair dryer.
Electrical to kinetic, thermal and sound

4 Describe the energy conversions in a battery.
Chemical into electrical

5 Describe what happens during photosynthesis.
The plants use light energy to produce new substances with chemical energy.

6 What is the best definition of energy?
Energy is the ability to do work.

7 What is a producer? Is the 1st organism in a food chain

8 What is a herbivore? They eat only plants

9 What is an omnivore? They eat both (plants and animals).

10 What is a carnivore? They eat other animals.

11 What would happen if all the carnivores were removed from an ecosystem?
The herbivore population would increase

12 Describe the correct energy transformations in a working toaster.
Electrical to thermal

13 What type of energy do apples provide when they are eaten?
Chemical energy

14 Food chain: Shows the flow of energy as each organism eats the one below it

15 Food Web: Shows that energy flows in many directions through an ecosystem.

16 Describe the energy conversions that takes place in a solar heating system used to warm up a building. Light energy to thermal energy

17 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.

18 Roller Coaster: Greatest Potential Energy at the top of the biggest hill. Greatest kinetic energy at the bottom of the biggest hill.

19 Renewable Resources: Solar Water Wind Geothermal Biomass

20 Nonrenewable resources:
FOSSIL FUELS (FFCON) Coal Oil Natural Gas Nuclear Energy

21 The energy in coal can ultimately be traced to____.
The sun

22 What percent of the United States energy use comes from fossil fuels?
About 80%

23 Nuclear energy: Is generated when the nucleus of a radioactive element splits.

24 Trees are part of the renewable resources

25 Energy Pyramid:

26 Energy is ____ at the higher levels of the energy pyramid.
lost

27 Energy flows from the grass to ________.


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