Contents
Sample Pages
Big Ideα Question
¿En qué se diferencian el día y la noche?
Section 1
Investigate Day and Night . . . . . . . . . . . . . . . . . T1e
• How does the day sky compare to the night sky?
• Science Process Vocabulary: observe, compare
Daytime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T6
Nighttime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T8
• Science Academic Vocabulary: sun, moon, stars
Section 2
Investigate the Position of the Sun . . . . . . . . . . . T9e
• What can you observe about the position of the sun?
• Science Process Vocabulary: observe
Morning, Noon, Evening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T10
• Science Academic Vocabulary: morning, noon, evening
Section 3
Investigate the Sun and Another Star . . . . . . . . T13e
• Why does the sun look bigger than other stars?
• Science Process Vocabulary: observe
Stars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T14
The Sun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T16
Close and Far Away. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T18
The Moon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T20
Things in the Sky . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T22
• Science Academic Vocabulary: Earth, full moon
Day and Night T1
