Chapter 3
Lesson
2
Big Idea Question and Vocabulary
Objectives
Students will be able to:
• Recognize that all living things need energy
to survive.
Vocabulario académico de ciencias
clorofila, fotosíntesis, alimento cadena, red
alimenticia
PROGRAM RESOURCES
• Big Ideas Book: Life Science
• Big Ideas Book: Life Science eEdition
at myNGconnect.com
• Vocabulary Games at myNGconnect.com
• Digital Library at myNGconnect.com
• Enrichment Activities at myNGconnect.com
• Read with Me at myNGconnect.com
• Learning Masters Book, page 42, or
at myNGconnect.com
1 Introduce
Tap Prior Knowledge
•Have students define the word energía in their own
words. Have them give examples of energy, such
as the energy that fuels contain. Discuss how living
things need and use energy, too.
2 Focus on the Big Idea
Big Ideα Question
•Read the Big Idea Question aloud and have
students echo it.
•Preview pages 106–109, 110–113, 114–115, and
116–119, linking the headings with the Big Idea
Question.
Differentiated Instruction
Vocabulary Support
BEGINNING
Have students match the
vocabulary word with its
definition. For example:
Process by which
energy flows between
organisms (food chain)
Process by which plants
make food (photosynthesis)
Process that combines
food chains (food web)
T102–T103 Big Ideas Book
INTERMEDIATE
Provide Academic Language
Frames to help students
learn the vocabulary words.
For example:
• Energy moves between
organisms in a
.
• Plants make food in a
process called
.
• A
is the process
that combines food chains.
ADVANCED
Have students write new
captions for the pictures on
pages 104 and 105. Remind
students to use the proper
vocabulary word with each
picture.
