3. astrolabes -- early astronomy tools
an astrolabe was one of the first scientific tools used to study the sky. it helped people find the position of the sun, moon, and stars at any given time. sailors used astrolabes for navigation, while scientists used them to measure how high objects appeared in the sky. astrolabes were made hundreds of years before telescopes were invented, showing how early people used math and observation to understand the universe.
question 3 (ngss dci ess1.a -- the universe and its stars):
why was the invention of the astrolabe important?
a) it allowed people to study and measure the positions of objects in the sky
b) it was used to predict weather patterns.
c) it replaced the need for star maps.
d) it was only useful for telling time.

4. mapping the stars
in the 1600s, astronomers began creating star maps to record what they saw in the night sky. one of the first detailed star atlases was created by johann bayer. he used greek letters to name stars according to their brightness. later, an american teacher named elijah burritt made star maps for schools, allowing more people to learn about astronomy. his work helped make the study of space more accessible to students.
question 4 (ccss ri.7.3 -- key details):
how did elijah burritt’s maps help more people learn about astronomy?
a) they were easy to understand and made astronomy available to students.
b) they were written only in latin for experts.
c) they were the first maps to use photographs.
d) they replaced the use of telescopes.

Question

3. astrolabes -- early astronomy tools
an astrolabe was one of the first scientific tools used to study the sky. it helped people find the position of the sun, moon, and stars at any given time. sailors used astrolabes for navigation, while scientists used them to measure how high objects appeared in the sky. astrolabes were made hundreds of years before telescopes were invented, showing how early people used math and observation to understand the universe.
question 3 (ngss dci ess1.a -- the universe and its stars):
why was the invention of the astrolabe important?
a) it allowed people to study and measure the positions of objects in the sky
b) it was used to predict weather patterns.
c) it replaced the need for star maps.
d) it was only useful for telling time.

4. mapping the stars
in the 1600s, astronomers began creating star maps to record what they saw in the night sky. one of the first detailed star atlases was created by johann bayer. he used greek letters to name stars according to their brightness. later, an american teacher named elijah burritt made star maps for schools, allowing more people to learn about astronomy. his work helped make the study of space more accessible to students.
question 4 (ccss ri.7.3 -- key details):
how did elijah burritt’s maps help more people learn about astronomy?
a) they were easy to understand and made astronomy available to students.
b) they were written only in latin for experts.
c) they were the first maps to use photographs.
d) they replaced the use of telescopes.

Accepted Answer

# Brief Explanations:
For Question 3: The text states astrolabes helped study and measure sky object positions, matching option A. Options B (weather), C (replace star maps), D (only time) are incorrect.
For Question 4: The text says Burrit's maps were for schools, making astronomy accessible to students, matching option A. Options B (Latin for experts), C (first with photos), D (replace telescopes) are incorrect.

# Answer:
Question 3: A) It allowed people to study and measure the positions of objects in the sky
Question 4: A) They were easy to understand and made astronomy available to students.

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