Biomass is energy (fuel) made from...

plant or animal waste (Hint: dead wood, cow pies)

energy that is created out of corn and sugar (**ethanol is added to gasoline to make a "greener" version of gas)

What does "being green" mean?

To use resources that are friendly to our environment

What is the main difference between renewable and nonrenewable energy sources?

Renewable sources can be replenished naturally; nonrenewable sources cannot.

What are the benefits of renewable resources?

1. will not run out 2. low pollution 3. low cost after being built

What are the downsides of renewable energy?

1. expensive to build 2. building them changes the ecosystem 3. not all natural resources are available in all places

Why are fossil fuels (coal, oil) considered nonrenewable?

They take such a long time to form.

Alternative energy is

created by natural resources and is renewable

Why does the moon's gravitational pull have more of an effect on tides than the sun's gravitational pull?

The moon is closer to the Earth than the sun.

Gravity is a force that is pulled to...

the center of a celestial object (Earth, Moon, Sun)

the "stuff" (atoms/molecules) an object is made of

Gr5.6 Energy.Tides End of Unit Flashcard Flashcards

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65 questions

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1.

FLASHCARD QUESTION

Front

Energy is...

Back

the ability to do work

2.

FLASHCARD QUESTION

Front

What type of energy is this?

Back

light

3.

FLASHCARD QUESTION

Front

What kind of energy is this?

Back

wind

4.

FLASHCARD QUESTION

Front

What kind of energy is this?

Back

hydro

5.

FLASHCARD QUESTION

Front

Which form of energy is produced when you rub your hands together quickly?

Back

Thermal energy

6.

FLASHCARD QUESTION

Front

What kind of energy is this?

Back

solar

7.

FLASHCARD QUESTION

Front

What type of energy is this?

Back

electrical

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