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Flashcards in Energy Deck (46):
1

____________ is the ability to cause change and do work.

Energy

2

The sun provides ___________ and ___________.

light; heat energy

3

There forms of energy are:
1.
2.
3.
4.

1. sun
2. water
3. wind
4. nuclear

4

Solar power is energy from the ______.

sun

5

Wind energy uses _____ to do the work.

wind

6

Water energy comes from ________ water.

moving

7

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

plants; animals

8

Four examples of fossil fuels are:
1.
2.
3.
4.

1. Coal
2. Oil
3. Natural gas
4. Wood

9

Nonrenewable resources have a ________ amount of energy.

limited

10

Renewable resources have energy that can be ___________.

renewed (or restored)

11

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

1. sun
2. water
3. wind

12

Potential energy is ________ energy.

stored

13

Kinetic energy is the energy of ________.

motion

14

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

electricity

15

What kind of power comes from a fuel called uranium?

nuclear power

16

What is the source of almost all energy on Earth?

Sun

17

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

1. wind (moving air)
2. flowing water

18

Wood comes from _______.

trees

19

Wood has many important uses including its use as ______.

fuel

20

The formation of fossil fuels takes __________ of years.

millions

21

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

replaced. again.

22

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

cannot be replaced or made again.

23

What is an example of wind as a natural energy?

windmills

24

What is an example of sun as a natural energy?

solar panels for energy in a home

25

What is an example of water as a natural energy?

watermill (sawmill)

26

Name an advantage of using natural energy sources?

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

27

Name a disadvantage to using natural energy sources?

Birds can die in windmills.

28

Plants use energy from the sun to __________.

make food

29

Light, sound, and electricity are forms of _______.

energy

30

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

food

31

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

electric current

32

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

less electricity

33

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

electricity

34

Objects that are made of metal are good _________.

conductors

35

A tool that measures temperature is a ___________.

thermometer

36

A magnet attracts metal objects is made out of _________.

metal

37

__________ poles of magnets repel each other.

Unlike

38

Nonrenewable resources take ___________ of years to make.

millions

39

Fossil fuels are nonrenewable fuel found _________ in the earth.

deep

40

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

coal, oil, and natural gas

41

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

turbines

42

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

renewable and nonrenewable

43

What a natural resource?

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

44

What is a renewable resources?

Resources that can be replaced.

45

What is a nonrenewable resource?

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

46

What is a fossil fuel?

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.