SCIENCE JOURNAL

9/20/2012

1st PAGE

MY SCIENCE JOURNAL

BY

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DATE TABLE OF CONTENTS PAGE

2nd PAGE

9/20/2012 Science Vocabulary 23

9/20/2012 Guided Question 24

GO TO THE NEXT PAGE AFTER THE LAST GUIDED

QUESTION

9/20/2012 Science Vocabulary 23

COPY DOWN THE TERMS AND THEIR

DEFINITIONS.

adaptation – A special trait thathelps an organism survive.

water, another liquid, or air thatbuoyancy – The upward force of

keeps things afloat.

9/20/2012 Science Vocabulary 23

NOW TAKE SOME TIME TO PUT THESE WORDS IN YOUR INDEX.

Aanalyze 4adaptation 23

Bbuoyancy 23

GO TO THE NEXT PAGE AFTER

TODAY’S SCIENCE VOCABULARY

The pictures show an empty cicada shell and a cicada. The cicada shell most likely shows that —

A the cicada was killed by a bird

B the cicada’s outer skin helps attract mates

C cicadas shed their skin during their life cycle

D cicadas first appeared on Earth before dinosaurs were extinct

9/20/2012 Guided Question 24

COPY DOWN THE ANSWER.

Insects are covered by an exoskeleton. That means that their important insides are covered by very tough skin (almost like a shell). When insects grow bigger they need to break out of this exoskeleton. The Answer is C cicadas shed their skin during their life cycle

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SCIENCE JOURNAL. YOU MAY PUT IT

AWAY.