1) What can you see in the sky during the day? Can you see the same things at night? At night, we may see stars. Sometimes we see the moon. But we do not see the sun. During the day, we see the sun, but not any other stars. Sometimes we see the moon. Which picture shows the stars at night? a) b) 2) Which picture shows the moon? a) b) c) 3) The sky is light during the day. It is light because the sun shines on Earth. At night, the sky is dark. It is dark because the sun is not in the sky. We see different things in the day and night skies. It is light during the day. It is dark at night. Which picture shows the night sky? a) b) 4) Night comes after day. Day comes after night. Then night comes again. It is a pattern. Patterns happen again and again. Scientists look for patterns in nature. When they find a pattern, they watch it repeat. They expect the pattern to happen again. They use patterns to predict the future. a) Scientist expect patterns to repeat. b) Scientist expect patterns to stop. 5) Will the sun be in the sky tonight? You have never seen the sun in the sky at night. So, you can predict that it will not be in the sky tonight. You found a pattern in the day and night skies. You used the pattern to predict the future. You are a scientist! What does a pattern to? a) a pattern repeats b) a pattern never repeats 6) We see different things in the day and night skies. The sky is light in the day and dark at night. This is a pattern. Scientists look for patterns in nature. What do scientists look for? a) They look for telescopes. b) they look for patterns in nature.

TCI Unit 3 Lesson 1

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