Vocabulary R outine Defi ne: Diff erent kinds of matt er blended together.. Grade 3Grade 3 chemical change kemºi kәl chānj chemical energy kemºi k әl en ºәr jē... Defi ne: A change that
Trang 1Grade 3
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Vocabulary Routine
another
insects and fool predators.
like a stick? (It can hide from predators or attack its own prey.)
Vocabulary R outine
Defi ne:
Diff er ent kinds of matt
er blended together
Ex ample:
Soda is a
mixture
of sugar, w ater , and other
Published by Macmillan/McGraw-Hill, of McGraw-Hill Education, a division of The McGraw-Hill Companies, Inc.,
Copyright © by Macmillan/McGraw-Hill All rights reserved No part of this publication may be reproduced or distributed in
any form or by any means, or stored in a database or retrieval system, without the prior written consent of The McGraw-Hill
Companies, Inc., including, but not limited to, network storage or transmission, or broadcast for distance learning.
Vocabulary Routine
When one thing imitates the traits of Some insects use mimicry to look like other
insects and fool predators.
Why do some insects use mimicry to look
like a stick? (It can hide from predators or
ISBN 13: 978-0-02-286133-9 ISBN 10: 0-02-286133-5
Trang 2• fostering language development skills
• supporting the acquisition of academic language for English learners
Vocabulary Cards can be placed in your classroom Science Center
another
insects and fool predators
like a stick? (It can hide from predators or attack its own prey.)
Vocabulary R outine
Defi ne:
Diff erent kinds of matt
er blended together
Ex ample:
Soda is a
mixture
of sugar, water
Trang 3Photograph by (Green leaf): © David Fischer/Photodisc Red/Getty Images, Inc
(Red fl ower): © Lisa Barber/Photonica/Getty Images, Inc.
adaptation
(aªdapªtā
ºshәn)
© Macmillan/McGra
agalleria.C om
Trang 4Defi ne: To take in.
others
absorb?
Defi n e:
A special trait tha
t helps a living thing
sur-vive in its environment
Ex ample:
A fi sh’
s gills are an example of
s an
adaptation
that
helps it feed?
Trang 5Grade 3
Grade 3
algae
(alºjē)
Trang 6Defi ne: A balloonlike structure in plants and animals
for holding gases
it swim?
Defi n e:
Tiny one-celled or
ganisms that use
wate
r, air, and sunlight to
make food
Ex ample:
e of a pond is a
living thing?
Trang 8Defi ne: An animal that spends part of its life in
water and part on land
of small streams?
Defi n e:
A cold biome above
the Arctic Circle
Ex ample:
How does the gr
ound in the artic tundr
a
keep trees from gr
owing there?
Trang 9Grade 3
Grade 3
astr onaut (asº
trә not)
Trang 10Defi ne: A large piece of rock or metal in space.
traveling through space?
Vocabulary R outine
Defi n e:
A person who travels int
o space
Ex ample:
Astr onauts tr
aveled to
the Moon to study
it up close
Ask:
Why do
astr onauts tr
av
el to the Moon?
Trang 11Grade 3
Grade 3
atom
(atº әm)
© Macmillan/McGra
esear chers, Inc.
Trang 12Defi ne: Someone who studies how objects in the
universe interact
planets move around the Sun
might an astrophysicist try to answer?
Defi n e:
The smalles
t unit of an element that has
the properties of that element
Ex ample:
Ato ms
are t
oo small to see on your o
wn
Ask:
How can y
ou observe the properties of
an at
om if y
ou cannot see it?
Trang 13o R esearchers, Inc.
Trang 14Defi ne: A real or imaginary line through the center
of a spinning object
the ends of Earth’s axis.
the way around on its axis?
Defi n e:
Two stars that act as a pair
Ex ample:
If one of the binary s
ould you see
?
Trang 15Grade 3
Grade 3
biome
(bīºōm)
Trang 16Defi n e:
An area of land or wate
r that has certain
kinds of living and nonliving things
Ex ample:
A desert biome
is very diff er
st
biome begins
?
energy
steam, or electricity?
Trang 17© Macmillan/McGra
Supers tock
© Macmillan/McGraw-Hill
Photograph by © G P Bowater/Alamy
Trang 18Defi ne: A freshwater wetland fi lled with moss
and rich soil
spongelike
Defi n e:
The living and nonliving things tha
t exis
t in a
place with a mixtur
e of fresh and salt wate
r
Ex ample:
Many marine animals la
y their eggs in a
brackish en vironment
Ask:
What types of water ar
e found in a
brackish
envir onment?
Trang 20Defi ne: Something that supports or strengthens.
called buttresses that spread out from the
trunk and support the tree
a buttress?
Defi n e:
An adaptation that allows
an animal to
blend into its surroundings
Ex ample:
Trang 21Grade 3
Grade 3
carbon
(kärºbәn)
o Re searchers, Inc., (Pencil tip ):
© C Squared S tudios/Getty Images, Inc., (Sugar cube ): © Macmillan McGra
w-Hill
Trang 22Vocabulary R outine
Defi n e:
One of the basic elements
Ex ample:
All living matter on Earth c
upper-most branches of the tallest trees
because of the sunlight and food found there
canopy and never travel to the forest fl oor?
Trang 23Grade 3
Grade 3
chemical change
(kemºi kәl chānj)
chemical
energy
(kemºi k
әl en
ºәr jē)
Trang 24Defi ne: A change that causes matter with diff erent
properties to form
makes it taste diff erent
energy can be released?
Defi n e:
Energy tha
t is stor
ed in a substance
Ex ample:
chemical energy
?
Trang 25Grade 3
Grade 3
comet
(komºit)
r Arnold, Inc./ Alam y
Trang 26Defi ne: The average weather patterns of a region.
animals to survive in a desert climate?
Defi n e:
A chunk of ice mix
ed with rocks and dus
t
moving through space
Ex ample:
Ask:
Why can a
com et
be seen from Earth during
the day
?
Trang 27ºәn)
Trang 28Defi ne: All the diff erent populations in an ecosystem.
cows, and grasses
grassland community?
Defi n e:
The struggle among living things
Ex ample:
Trang 30Defi ne: A wave that moves in a back and forth
motion
waves.
and down a valley after a landslide?
Defi n e:
What happens when matter changes stat
e
from gas t
o liquid
Ex ample:
When wate
r vapor in the air
condenses
, it
can form dewd
rops
Ask:
Why do water dr
oplets co
ndense on the
wall aft
er a hot shower?
Trang 31n ste lāºshun)
Trang 32Defi ne: A kind of forest biome that stays green
all year
forests
same function a leaf on other trees?
Defi n e:
A group of stars that f
orms a pattern or
picture
Ex ample:
Cassiopeia is a major
cons tellation
Ask:
Why do people think that the Orion
cons tellation
looks like a hunt
er with a bow
and arrows?
Trang 33cor ne a
© Macmillan/McGra
dw ard s
© Macmillan/McGraw-Hill
Photograph by © Christ Newbert/Minden Pictures
Trang 34Defi ne: Colorful rocklike formations created by
certain marine animals
parts of the ocean
thing?
Vocabulary R outine
Defi n e:
The clear, outer c
overing of the ey
e
Ex ample:
A contact lens res
Trang 35Grade 3
Grade 3
deciduous
(di siºjә wәs)
Trang 36Defi ne: The phase of the moon in which the lighted
side has almost disappeared
wax or almost done waning
is a crescent moon?
Defi n e:
A kind of fore
st biome with man
y trees that
lose their leav
es each winter
Ex ample:
Maples, birches, and oaks can be found in
deciduous fo
rests
Trang 38Defi ne: The distance away from the surface.
colder as depth increases.
depth of one hundred feet?
Vocabulary R outine
Defi n e:
A hot, dry place with very little rain
Ex ample:
The Mojave
Desert is a hot desert
Trang 39Grade 3
Grade 3
dinosaur
(dīºnә sorª)
© Macmillan/McGra
aphic Image Co llection
Trang 40Defi ne: Water vapor that has condensed into liquid
on a cool object
as the moist air cools
morning?
Vocabulary R outine
Defi n e:
An extinct kind of lar
ge reptile
Ex ample:
The word
dinosaur
comes fr
om Greek words
meaning “fearfully great lizar
Trang 41әl en
ºәr jē)
© Macmillan/McGraw-Hill
Photograph by (forest): © Johnny Johnson/AlaskaStock.com;
(polar bear): © Steven Kazlowski/Peter Arnold, Inc.
Trang 42Defi ne: All the living and nonliving things that
Energy produced b
y the movement of
small particles called electrons
Ex ample:
A light bulb uses electrical ener
gy to
create light
Trang 43Grade 3
Grade 3
electron microscope
(i lekºtron mīºkrә skōpª)
element
(elºә mәn
© Macmillan/McGraw-Hill
Photograph by © Bob Krist/Corbis
Trang 44Vocabulary R outine
Defi n e:
A basic building block of matter
Ex ample:
Oxygen, carbon, and iron ar
see only with an electron microscope?
Trang 45Grade 3
Grade 3
energy
(enºәr jē)
© Macmillan/McGra
Getty Images, Inc.
Trang 46Defi n e:
The ability t
o do work
Ex ample:
Matter needs
energy
to mov
e, grow
a
sail-boat across the wa
ter?
emergent layer of the rain forest.
emergent layer of a forest?
Trang 48Defi n e:
The imaginary line that divides Earth int
o the
northern and southern hemispheres
Ex ample:
Sunlight strik
es Earth most directly at the
equato r.
surround a living thing
can get sunlight, water, carbon dioxide, and other nutrients
for most insects to live in?
Trang 50Vocabulary R outine
Defi n e:
T o spread out
Ex ample:
Pumping air into a balloon causes the
state from a liquid to a gas
sunlight
makes it evaporate?
Trang 51© Macmillan/McGra
/Peter Arnold, Inc./
Alam y
© Macmillan/McGraw-Hill
Photograph by © Macmillan McGraw-Hill
Trang 52Defi n e:
All dead, no more left aliv
e on Earth
Ex ample:
The mammoths became
extinct
after
a change in climate killed them all
Ask:
How can scientis
ts study animals tha
out very carefully
explanation for a scientifi c event might
be correct?
Trang 53Superstock;
(temper ate ): © Daniel T emplet
on/ A lamy
© Macmillan/McGraw-Hill
Photograph by © Stockbyte/Punchstock
Trang 54Defi ne: A push or pull.
move
make electricity?
Defi n e:
A biome that has many trees
Ex ample:
Trang 56Defi ne: The ground level of a forest biome
Vocabulary R outine
Defi n e:
The hardened remains of a living thing
Ex ample:
Most
foss ils
are buried deep in the ground
Trang 58Defi ne: A source of energy that comes from the
breakdown of animal and plant remains
every day?
Vocabulary R outine
Defi n e:
What happens when matter changes stat
e
from liquid t
o solid
Ex ample:
When wate
r fr
eez es
, it becomes ice
Ask:
When wate
r fr
eez es
, what stat
e is it in?
Trang 59Grade 3
Grade 3
friction
(frikºshәn)
freshwater environment
Trang 60Defi ne: The living and nonliving things that exist in a
place where the water is not salty
environments.
freshwater environment and the ocean?
Defi n e:
The forc
e created when surfaces rub agains
t
each other
Ex ample:
Friction fr
om rubbing your hands together
makes them warm
Ask:
How does
friction mak
e your hands warmer
when you rub them together?
Trang 62Defi ne: A source of stored energy
engines run
fuel?
Vocabulary R outine
Defi n e:
A very lar
ge group of stars
Ex ample:
Our galax
y is called the Milk
y Way
Trang 63Grade 3
Grade 3
gamma waves
(gaºmә wāvz)
gas
(gas)
© Macmillan/McGra
r Macmillan McGra w-Hill
© Macmillan/McGraw-Hill
Photograph by © Imagestate/Alamy
Trang 64Defi ne: An invisible form of light with high energy.
plants
distant stars explode?
Defi n e:
Matter in a sta
te that has no defi nit
e shape
or volume
Ex ample:
Trang 65© Macmillan/McGra
Resear chers, Inc.
Trang 66Defi ne: Heat from inside the Earth.
is an example of geothermal energy.
into steam?
Defi n e:
More than half but not y
et full
Ex ample:
A gibbous
moon can be waxing tow
ard full
or waning tow
ard half
Trang 67© Macmillan/McGra
Getty Images, Inc.
© Macmillan/McGraw-Hill
Photograph by © Frank And Joyce Burek/Photodisc/Getty Images, Inc.
Trang 68Defi ne: Body parts in fi sh and other animals that
allow them to breathe in water
its gills?
Defi n e:
A biome that is covered with grass
Ex ample:
Gras slands pr
ovide a great deal of f
o a desert
when it does not get enough rain
?
Trang 69Grade 3
Grade 3
heat energy
(hēt enºәr
Trang 70Defi ne: The place where a living thing makes
its home
habitat?
Defi n e:
Ex ample:
The Sun is the main source
warm
your hands
?
Trang 72Defi ne: To sleep through the winter.
fall until spring
the winter?
Defi n e:
The distant line where the land seems t
o
meet the sky
Ex ample:
The Sun rises over the eas
Trang 74Defi ne: Leftover decomposed plant or animal
material in soil
rock and humus.
trees and bushes?
Defi n e:
Using wate
r to creat
e energy
Ex ample:
Many dams turn a river’s
current int
o
hyd ro powe r.
Ask:
How do the ocean tides pro
vide
hyd ro powe
r t
o mak
e electricity?
Trang 75© Macmillan/McGraw-Hill
Photograph by © David Muench/Corbis
Trang 76Defi ne: A picture produced by the refl ection of light.
appear on the smooth surface of a pond?
Defi n e:
A form of light ener
gy that w
e feel as heat
Ex ample:
Devic
es that detect
infrar
ed wa ve
s can be
used to “see” in the dark
s ar
e
striking your skin?
Trang 77© Macmillan/McGra
dw ard s
© Macmillan/McGraw-Hill
Photograph by (mercury): © USGS/Photo Researchers, Inc.; (venus): © Stocktrek/Getty Images, Inc.;
(earth): © Stocktrek/Brand X Pictures/Alamy; (mars): © Stocktrek/Getty Images, Inc.
iris
Trang 78Defi ne: The four planets closest to the Sun.
inner planets.
planets closest to?
Defi n e:
In the ey
e, the colored cir
cle around the
pupil
Ex ample:
The
iris changes the siz
e of the pupil in
diff erent light conditions
Ask:
How does the
iris c
ontrol the amount of
light inside the eye?
Trang 79enºәr jē)
Trang 80Defi ne: A type of algae that groups together.
Vocabulary R outine
Defi n e:
Energy in the form of mov
ement or motion
Ex ample:
A falling leaf has
kinetic energy
Ask:
Why does a rock rolling do
Trang 81© Macmillan/McGra
dw ard s
© Macmillan/McGraw-Hill
Photograph by © Coste/Getty Images, Inc.
Trang 82Defi ne: A tool that uses a very thin beam of light
scalpels?
Defi n e:
A piece of clear material tha
t aff ects the
path of light rays coming int
o the eye
Ex ample:
The
lens in y
our ey
e focuses incoming light
Ask:
What happens to light as it passes thr
ough
the lens
of a telescope?
Trang 83© Macmillan/McGraw-Hill
Photograph by David Young-Wolff /Alamy
Trang 84Defi ne: A form of energy made up of transverse
waves
our planet?
Defi n e:
Matter in a sta
te that has a defi nit
e volume
but not a defi nit
e shape
Ex ample:
Ask:
Why does a
liquid change shape if it is not
contained?
Trang 86Defi ne: The full sequence of the Moon’s phases.
Defi n e:
A period of time when the Moon mov
es int
o
Earth’s shadow
Ex ample:
The Moon ma
y appear to
be dark red during
a full lunar eclipse
Trang 88Defi ne: A kind of tropical tree often found in
swamps
and shrimp
to protect the coast from wind, waves, and
fl oods?
Defi n e:
Another name for a saltwater en
vironment
Ex ample:
Whales and dolphins live in a
marine
envir onment.
Ask:
What types of living beings exis
t in a marine
envir onment?
Trang 89© Macmillan/McGra
or Macmillan McGr aw
-Hill
Trang 90Defi ne: A type of wetland featuring soft plants
such as grasses
a marsh?
Defi n e:
A measure of the amount of matter in an
object
Ex ample:
ock.)
Trang 91ºәr jē)
Trang 92Defi ne: Anything that takes up space.
eraser are both made of matter?
Defi n e:
The ener
gy in moving objects
Ex ample:
The rushing water in a riv
Trang 93© Macmillan/McGra
o Re searchers, Inc.
© Macmillan/McGraw-Hill
Photograph by © Kevin Cruff /Taxi/Getty Images, Inc.