Constellations 🌌
What are constellations?
Patterns of stars that form figures or shapes.
Why were many buildings in Chicago made of wood?
They were built quickly to make room for the growing population.
What is separation anxiety?
Feeling upset when separated from a parent or primary caregiver.
What did workers discover in Bernardo O'Higgins National Park?
A lake had disappeared.
Why are jellyfish not actually fish?
They are relatives of corals, not fish.
How did constellations help farmers before calendars were invented?
They helped farmers know when to plant and harvest crops.
What weather conditions made the fire more likely to spread?
An unusually dry summer and fall with very little rainfall.
At about what age do babies usually begin to experience separation anxiety?
Around seven months old.
What was left after the lake disappeared?
Some pieces of ice.
Describe the body parts of a jellyfish
A jellyfish has a bell-shaped body, one or more mouths underneath the bell, and tentacles that hang below the body to catch food.
What did the appearance of Orion tell farmers?
That winter was approaching.
How was the Great Chicago Fire finally put out?
ain on the morning of October 10 extinguished it.
Why don't newborn babies experience separation anxiety?
They cannot recognize the differences between caregivers.
What was one theory about why the lake disappeared?
An earthquake created cracks in the ground, allowing the water to drain away.
What do jellyfish use their tentacles for?
What might have happened if people had not understood constellations before modern technology?
Farmers would have had a harder time knowing when to plant and harvest crops, and sailors would have struggled to navigate and find the correct direction while traveling.
What were two major effects of the Great Chicago Fire?
About 300 people died
A third of the city's population became homeless
More than 70,000 buildings were destroyed.
Why do babies become upset when their parents leave, and how do babies try to stop their parents from leaving?
They think their parents may never come back.
They cry and cling to them.
What was the second theory about the lake's disappearance?
The ice dams melted or broke, releasing the water.
How do jellyfish move through the water?
: They pull water into their bell and push it out, which propels them forward.
How did Ursa Minor and Polaris work together to help sailors?
What was the myth and the likely cause of the Great Chicago Fire?
The myth was that Catherine O'Leary's cow kicked over an oil lamp and started the fire. The likely cause is unknown, but the dry weather, strong winds, and wooden buildings allowed the fire to spread rapidly.
How does a baby's thinking change from seven months to age 2?
They go from believing their parents might never return to understanding that separations are temporary.
Explain the chain of events that caused the lake to disappear.
Global warming sped up glacier melting → more water flowed into the lake → the ice dams broke → the water rushed down the mountains and into the sea.
Why can't jellyfish carry food in their bodies for very long?
: It would make them heavier and harder to float.