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FOSS Investigation 4: Looking for Change

FOSS Investigation 4: Looking for Change. Part 3: The Night Sky (40-50 minutes). Click here for Foss Website. Night-Sky Observations. What do you usually see in the sky? Do you see the same things in the sky both day and night? Does the Moon change or stay the same every night?.

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FOSS Investigation 4: Looking for Change

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  1. FOSS Investigation 4:Looking for Change Part 3: The Night Sky (40-50 minutes) Click here for Foss Website.

  2. Night-Sky Observations What do you usually see in the sky? Do you see the same things in the sky both day and night? Does the Moon change or stay the same every night?

  3. Vocabulary Moon – a natural satellite revolving around a planet. What do you know about the moon? star - a celestial body that can be seen at night from Earth. What do you know about stars? change – to make or become different

  4. Moon Observations • On January 1, 2012, here is how the moon appeared: • What do you observe about the moon?

  5. Moon Observations • Do you think the moon changes its appearance every night? • To further explore this idea, we will observe the moon for the next few weeks • As a scientist, you will observe the moon each night and when you come back to school the next day we will discuss what you observed.

  6. Recording Moon Observations What will you do if you forget or are away from home for a night? Do you think there will ever be a time when you can’t see the Moon at night?

  7. Break for Moon Observation • We will observe the moon each day for the next few weeks. • We will record our observations and describe how the appearance of the moon changes each day.

  8. Points for Discussing Night Sky Observations • Turn and talk about what you observed during your moon observations. • What did you see? • Did things always look the same each night? • How did they change?

  9. Discussing Night Sky Observations Does the moon make its own light? Where does the light from the moon come from? (The moon does not make its own light. The light from the Sun reflects, or bounces off the moon.) Does the size of the moon change as it completes a full cycle of its phases? Is there a pattern to the way the appearance of the Moon changes? (It begins the cycle in the new Moon phase. Then it gets bigger each day until it is a full Moon, then it gets smaller each day until it is a new Moon again.) How long does it take the Moon to go from one new Moon to another new Moon? (About a month)

  10. Discussing Night Sky Observations What is it called when the moon appears as a large white circle? • This is a full moon. It appears bright in the sky in the middle of the phases of the moon cycle. What is it called when the moon does not seem to appear at all? • This is a new moon. It appears to be absent from the sky and begins a new cycle of the phases of the moon.

  11. Science Notebooks • Draw and explain what you learned from your observations of the moon and night sky. How does the Moon look different as the days pass?

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