Grade 2
Amphibians are animals that
live on both land and water.
amphibians
© Macmillan/McGraw-Hill
Photograph by BRUCE COLEMAN INC./Alamy
California Science / 2
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Printed in Mexico
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ISBN 0-02-284472-4
amphibians
© Macmillan/McGraw-Hill
Photograph by BRUCE COLEMAN INC./Alamy
California Science / 2
Amphibians are animals that
live on both land and water.
attract
© Macmillan/McGraw-Hill
Photograph by Michael Scott for MMH
California Science / 2
When a magnet attracts a metal,
the magnet pulls the metal.
classify
© Macmillan/McGraw-Hill
Photograph by Michael Scott for MMH
California Science / 2
Classify means to group things
that are alike. This boy is
classifying rocks.
communicate
© Macmillan/McGraw-Hill
Photograph by Macmillan/McGraw-Hill
California Science / 2
Communicate means to write,
draw, or tell others your
ideas. You can use a chart to
communicate what you know.
compare
© Macmillan/McGraw-Hill
Photograph by Macmillan/McGraw-Hill
California Science / 2
Compare means you tell how
things are alike and different.
You can use a Venn diagram to
compare a cat to a dog.
0
0
100
200
miles
150
kilometers
Sacramento
Bishop
Los Angeles
distance
© Macmillan/McGraw-Hill
Photograph by Baily Lauerman for Macmillan/McGraw-Hill
California Science / 2
Distance is how far away one
thing is from another.
draw
conclusions
© Macmillan/McGraw-Hill
Photograph by Boris Karpinski/Alamy
California Science / 2
Draw conclusions means to use
what you observe to explain
what happens. You can draw
conclusions about what the tree
roots did to this rock.
extinct
© Macmillan/McGraw-Hill
Photograph by D. Schwimmer/Bruce Coleman
California Science / 2
When a living thing is extinct,
it has died out. None of its kind
lives on Earth. The Ankylosaur
is extinct.
flower
© Macmillan/McGraw-Hill
Photograph by Peter Anderson/Dorling Kindersley
California Science / 2
A flower is the part of
a plant that makes seeds.
force
© Macmillan/McGraw-Hill
Photograph by (girl) Rubberball/PictureQuest; (ball) Photodisc/Getty Images
California Science / 2
A force is a push or pull used to
put something in motion. This
girl is using force to move the
ball.
fossil
© Macmillan/McGraw-Hill
Photograph by Mark A. Schneider/Photo Researchers, Inc.
California Science / 2
A fossil is what is left of
a living thing from the past.
friction
© Macmillan/McGraw-Hill
Photograph by David Young-Wolff/Photo Edit
California Science / 2
Friction is a force that
slows down moving things.