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Flashcards > Energy > Flashcards

Energy Flashcards

1
Q

____________ is the ability to cause change and do work.

A

Energy

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2
Q

The sun provides ___________ and ___________.

A

light; heat energy

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3
Q 
There forms of energy are:
1.
2.
3.
4.
A
  1. sun
  2. water
  3. wind
  4. nuclear
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4
Q

Solar power is energy from the ______.

A

sun

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5
Q

Wind energy uses _____ to do the work.

A

wind

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6
Q

Water energy comes from ________ water.

A

moving

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7
Q

Fossil fuels are fuels that formed from decayed _________ and _________ that lived long ago.

A

plants; animals

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8
Q 
Four examples of fossil fuels are:
1.
2. 
3.
4.
A
  1. Coal
  2. Oil
  3. Natural gas
  4. Wood
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9
Q

Nonrenewable resources have a ________ amount of energy.

A

limited

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10
Q

Renewable resources have energy that can be ___________.

A

renewed (or restored)

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11
Q

Three examples of renewable energy are:
1.
2.
3.

A
  1. sun
  2. water
  3. wind
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12
Q

Potential energy is ________ energy.

A

stored

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13
Q

Kinetic energy is the energy of ________.

A

motion

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14
Q

What is the flow of energy from one place to another?

A

electricity

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15
Q

What kind of power comes from a fuel called uranium?

A

nuclear power

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16
Q

What is the source of almost all energy on Earth?

A

Sun

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17
Q

What are two renewable resources that can be used to generate electricity?

A
  1. wind (moving air)

2. flowing water

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18
Q

Wood comes from _______.

A

trees

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19
Q

Wood has many important uses including its use as ______.

A

fuel

20
Q

The formation of fossil fuels takes __________ of years.

A

millions

21
Q

Renewable energy means energy that can be __________. They can be made ________.

A

replaced. again.

22
Q

Nonrenewable resources means that once they are used up, they are gone and ________________ or ________.

A

cannot be replaced or made again.

23
Q

What is an example of wind as a natural energy?

A

windmills

24
Q

What is an example of sun as a natural energy?

A

solar panels for energy in a home

25
Q

What is an example of water as a natural energy?

A

watermill (sawmill)

26
Q

Name an advantage of using natural energy sources?

A

You can replace/restore them when they are used up.

27
Q

Name a disadvantage to using natural energy sources?

A

Birds can die in windmills.

28
Q

Plants use energy from the sun to __________.

A

make food

29
Q

Light, sound, and electricity are forms of _______.

A

energy

30
Q

People get the energy they need to move their bodies from _________.

A

food

31
Q

The movement of electric charges from one place to another is called _____________.

A

electric current

32
Q

People can make their supplies of coal and oil last longer by using ________________.

A

less electricity

33
Q

Some power plants use the energy produced by coal or oil to make _____________.

A

electricity

34
Q

Objects that are made of metal are good _________.

A

conductors

35
Q

A tool that measures temperature is a ___________.

A

thermometer

36
Q

A magnet attracts metal objects is made out of _________.

A

metal

37
Q

__________ poles of magnets repel each other.

A

Unlike

38
Q

Nonrenewable resources take ___________ of years to make.

A

millions

39
Q

Fossil fuels are nonrenewable fuel found _________ in the earth.

A

deep

40
Q

Examples of fossil fuels are ______, ________, and ___________.

A

coal, oil, and natural gas

41
Q

Wind energy isa renewable energy source that uses the wind to turn _______ to make electricity.

A

turbines

42
Q

Electricity can be made in many way and can be made from ___________ and _________ energy sources.

A

renewable and nonrenewable

43
Q

What a natural resource?

A

Resource that we get from nature. They happen naturally and include sunlight, water, and wind.

44
Q

What is a renewable resources?

A

Resources that can be replaced.

45
Q

What is a nonrenewable resource?

A

Resource that cannot be replaced. Once they are used, they are gone.

46
Q

What is a fossil fuel?

A

They are formed over millions of years ago by decaying plants and animals buried in layers of rock. Fossil fuels include coal, oil, and natural gas.

Flashcards (43 decks)

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