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Trang 1Scott Foresman Science 1.10
Nonfi ction Draw Conclusions • Captions
• Diagrams
• Labels
• Glossary
Energy
ISBN 0-328-13762-6
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Scott Foresman Science 1.10
Nonfi ction Draw Conclusions • Captions
• Diagrams
• Labels
• Glossary
Energy
ISBN 0-328-13762-6
ì<(sk$m)=bdhgcg< +^-Ä-U-Ä-U
Trang 21 How is electricity made?
2 What sorts of things use
electricity?
3 Switches can
send electricity into objects
Write to explain how turning switches on and off makes an object work Use words from the book as you write
4 Draw Conclusions You have
a toy that needs electricity to work But this toy has no plug
What do you know about this toy?
What did you learn?
Extended Vocabulary
electrical objects outlet plug power plants switch
vehicles wires
Vocabulary
battery
electricity
energy
fuel
heat
shadow
Picture Credits
Every effort has been made to secure permission and provide appropriate credit for photographic material
The publisher deeply regrets any omission and pledges to correct errors called to its attention in subsequent editions.
Photo locators denoted as follows: Top (T), Center (C), Bottom (B), Left (L), Right (R), Background (Bkgd).
4 Owaki - Kulla/Corbis; 5 Jose Luis Pelaez, Inc./Corbis; 11 (BL) Getty Images; 13 Craig Hutchins; Eye Ubiquitous/Corbis.
Unless otherwise acknowledged, all photographs are the copyright © of Dorling Kindersley, a division of Pearson
ISBN: 0-328-13762-6
Copyright © Pearson Education, Inc All Rights Reserved Printed in the United States of America
This publication is protected by Copyright, and permission should be obtained from the publisher prior to any
prohibited reproduction, storage in a retrieval system, or transmission in any form by any means, electronic,
mechanical, photocopying, recording, or likewise For information regarding permission(s), write to
Permissions Department, Scott Foresman, 1900 East Lake Avenue, Glenview, Illinois 60025.
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by Jessica Quilty
Trang 3Heat moves from warm to cold Heat comes
from the light of the Sun It warms Earth Heat
can come from other places too
Light is a kind of energy Energy can change
things Energy from the light of the Sun can
change the temperature Light comes from
many different things
Light can go through some things
Light cannot go through other things
Shadows are made when light cannot
pass through something Shadows are
big when the light is close Shadows
are small when the light is far away
People can make shadows.
2
What You Already Know
Fuel is anything that is burned to make heat or power Fuel gives energy Cars use gasoline for fuel People need energy People get energy from food People need energy for everything they do
Some toys and games need energy to work A battery stores energy You can use batteries to make your toys and games work!
Electricity has energy too
Many things get energy from electricity You are now about to read more about electricity!
This toy needs energy from a battery to work.
3
Trang 4Our Electric World
Many objects need energy to work We use
some of these objects all the time Many of
these things get energy from electricity
You are probably using electricity right
now Are there any lights on? These lights
need energy to work They get this energy
from electricity
4
There are different ways to get electricity
Plug in a light This connects it to power lines
Electricity goes from the line to the light Or use a battery Batteries store energy They give electricity to things that are not
connected to lines
Batteries make this machine work.
5
Trang 5Electric Power
Electricity is made from different things
in nature Coal, gas, and oil are all used to
make electricity
Power plants are places that make electricity
Power plants use fuels to make electricity
We burn fuel to make heat Heat has
energy Electricity has energy Heat is turned
into electricity in power plants
6
Electric power plant
Electricity leaves power plants It moves
in power lines It goes to houses and other places Electricity moves in wires Wires are connected to outlets in walls Some toys and machines have plugs Grown-ups put these plugs into outlets
7
Electricity makes this computer work.
Trang 6Battery Power
What happens when an electrical toy
does not have a plug? It still needs electricity
to work A battery can help Batteries store
energy Put a battery in a toy The toy then
gets the electricity it needs to work
8
How batteries work
Bulb
Battery
What if you want to use a fl ashlight outside? The fl ashlight does not have a plug
There are no outlets outside A battery can give it the energy it needs to work
Many different things use batteries Batteries let you take electricity with you!
9
Batteries
Trang 7Switch It On
Electricity fl ows into your house You use a
switch to turn on a light The switch connects
the electricity Then the electricity can move
into the light
11
Electricity moves from place to place
It goes through wires A switch is a button
or knob It is connected to the wires A switch can start and stop the electricity as it moves
A switch that is on lets electricity move
A switch that is off stops the electricity
A switch can turn lights off and on.
Trang 8Make It Go
Electricity can make many toys move
This car uses electricity to turn its wheels
Batteries in the toy help it get electricity
A toy train might move when you plug it
into an outlet It gets electricity from the
wires in the wall
12
Toys are not the only things that need electricity to make them go Many vehicles use electricity to move Some trains use electricity to move Some kinds of cars do too
Even submarines use electricity to move under the water!
13
Electricity makes bumper cars move.
Trang 9Electricity at Home
Your home is full of things that use
electricity! Picture each room of your house
How many different electrical things pop into
your mind? Look at these pictures Electricity
helps these objects do their jobs
Toy robot
Electronic keyboard
15
A phone helps you talk to people who are far away Electricity helps the phone work
A fan helps you stay cool when it is hot
Electricity makes the fan move How many different ways do you use electricity?
Phone
Fan Mixer
Trang 10an electric plug
connect it to an electric outlet
power plants buildings with machines that
make electricity
electricity moving in a wire
or things
electricity
16
1 How is electricity made?
2 What sorts of things use
electricity?
3 Switches can
send electricity into objects
Write to explain how turning switches on and off makes an object work Use words from the book as you write
4 Draw Conclusions You have
a toy that needs electricity to work But this toy has no plug
What do you know about this toy?
What did you learn?
Extended Vocabulary
electrical objects outlet plug power plants switch
vehicles wires
Vocabulary
battery
electricity
energy
fuel
heat
shadow
Picture Credits
Every effort has been made to secure permission and provide appropriate credit for photographic material
The publisher deeply regrets any omission and pledges to correct errors called to its attention in subsequent editions.
Photo locators denoted as follows: Top (T), Center (C), Bottom (B), Left (L), Right (R), Background (Bkgd).
4 Owaki - Kulla/Corbis; 5 Jose Luis Pelaez, Inc./Corbis; 11 (BL) Getty Images; 13 Craig Hutchins; Eye Ubiquitous/Corbis.
Unless otherwise acknowledged, all photographs are the copyright © of Dorling Kindersley, a division of Pearson
ISBN: 0-328-13762-6
Copyright © Pearson Education, Inc All Rights Reserved Printed in the United States of America
This publication is protected by Copyright, and permission should be obtained from the publisher prior to any
prohibited reproduction, storage in a retrieval system, or transmission in any form by any means, electronic,
mechanical, photocopying, recording, or likewise For information regarding permission(s), write to
Permissions Department, Scott Foresman, 1900 East Lake Avenue, Glenview, Illinois 60025.
3 4 5 6 7 8 9 10 V010 13 12 11 10 09 08 07 06 05