Used steel can be melted down and reformed into beams for building. This form of recycling.

helps prevent Earth's resources from running out.

Which of these is the main reason water is an important resource?

It is used for food and transportation.

It is important to use Earth's resouces wisely because?

some resources take a very long time to replace

What is the main disadvantage of using biomass as a source of energy?

Farmland is used to make fuel instead of food.

Karen wants her dad to conserve more water. What is one thing she should tell him?

turn off the faucet when he brushes his teeth.

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Earth Science chapter 4

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Chapter 4 Earth Science 5th Grade

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Questions 15

Answers

1
Which of the following recyclable item is made from oil?
an aluminum soda can
a metal can
a plastic bottle
a pizza box
2
Which of the following is a nonrenewable resource?
trees
coal
wind
geese
3
Which of these are two examples of renewable energy resources?
coal and sun
sun and wind
oil and coal
wind and coal
4
How can metal be recycled?
It can be made into steel beams.
It can be combined with other substances.
It can be taken from ores.
It can be melted and reshaped.
5
Used steel can be melted down and reformed into beams for building. This form of recycling.
clogs landfills with lots of old materials.
uses up more energy than is needed to make new steel.
helps prevent Earth's resources from running out.
is destructive to the environment.
6
Which of these natural resources do people use to make glass?
steel
sand
oil
coal
7
Which of these is the main reason water is an important resource?
It is fun to swim in, play in, and sail on.
It is used for food and transportation.
It is found in many places.
It is beautiful to watch.
8
Which of these is the source of most of the energy humans use today?
biomass
wind
fossil fuels
the sun
9
Which type of renewable energy uses moving water to create energy?
biomass
wind
solar
hydroelectric
10
It is important to use Earth's resouces wisely because?
some resources take a very long time to replace
resources must be shared equally by all people
all of those resources are nonrenewable
resources that are used must be replaced immediately
11
Which of the following is a renewable resource?
steel
glass
wood
concrete
12
Which energy resource for heating a house conserves resources?
oil
natural gas
coal
solar power
13
Which of these is the best way to recycle glass?
glue broken pieces together
shape and cool melted sand
wash it and use it for another purpose
melt and reform the glass
14
What is the main disadvantage of using biomass as a source of energy?
Some biomass fuels have a bad smell.
Biomass has to be grown in order to be replaced.
Plants take a long time to grow.
Farmland is used to make fuel instead of food.
15
Karen wants her dad to conserve more water. What is one thing she should tell him?
water the grass in the yard at noon each day
wash only a few clothes at a time in the washing machine
spread rocks around the base of trees.
turn off the faucet when he brushes his teeth.

Earth Science chapter 4 Flashcards | StudBud